DGCA GROUND SCHOOL • SPL & CPL VIVA MASTER (884 Q&A)

DGCA Pilot Viva & Ground Knowledge Base

The definitive oral examination prep bank covering Piper PA-28-181 Archer III DX, Kishangarh Aerodrome (VIKG), Air Regulations, Aviation Meteorology, General Navigation, Radio Navigation & Radar, Flight Instruments & Avionics, and Principles of Flight.

Authentic Previously Asked Viva Questions (65 Q&A)REAL EXAM ARCHIVE

Official DGCA & flight school board exam question sheet covering PA-28-181 DX, VIKG procedures, met codes, and aerodynamics.

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Q#1PA-28-181 & VIKG Aerodrome

What engine powers the PA-28-181 Archer III DX operated by Avyanna Aviation Academy?

Q#2PA-28-181 & VIKG Aerodrome

What is the total displacement of the TAE 125-02-114 engine?

Q#3PA-28-181 & VIKG Aerodrome

What is the maximum power output and at what RPM is it achieved?

Q#4PA-28-181 & VIKG Aerodrome

Explain the function of the FADEC system in this aircraft.

Q#5PA-28-181 & VIKG Aerodrome

Does the FADEC system have a backup power source, and how long does it last?

Q#6PA-28-181 & VIKG Aerodrome

What are the specific manufacturer, model, and diameter of the propeller?

Q#7PA-28-181 & VIKG Aerodrome

What material is the propeller made of?

Q#8PA-28-181 & VIKG Aerodrome

What type of fuel does the PA-28-181 Archer III DX use?

Q#9PA-28-181 & VIKG Aerodrome

What is the total and usable fuel capacity in liters and US Gallons?

Q#10PA-28-181 & VIKG Aerodrome

What are the minimum and maximum operating temperature limits for the gearbox oil?

Q#11PA-28-181 & VIKG Aerodrome

What are the minimum and maximum operating temperature limits for the coolant?

Q#12PA-28-181 & VIKG Aerodrome

What are the minimum and maximum oil pressure limits for the engine?

Q#13PA-28-181 & VIKG Aerodrome

What is the maximum allowable weight in the baggage compartment?

Q#14PA-28-181 & VIKG Aerodrome

What are the exact forward and aft CG limits for a weight of 2550 lbs?

Q#15PA-28-181 & VIKG Aerodrome

What is the wingspan, length, and height of the PA-28-181?

Q#16PA-28-181 & VIKG Aerodrome

What type of flaps does the Piper Archer have, and what is their maximum deflection angle?

Q#17PA-28-181 & VIKG Aerodrome

What are the Vx and Vy climb speeds for the aircraft with flaps up?

Q#18PA-28-181 & VIKG Aerodrome

What is the Vs0 and Vs1 stall speed for this aircraft?

Q#19PA-28-181 & VIKG Aerodrome

What are the Vfe, Vno, and Vne speeds?

Q#20PA-28-181 & VIKG Aerodrome

Explain the electrical system architecture of the PA-28-181 Archer III DX (batteries and buses).

Q#21PA-28-181 & VIKG Aerodrome

What is the voltage of the primary electrical system and the output of the alternator?

Q#22PA-28-181 & VIKG Aerodrome

Name the LRUs (Line Replaceable Units) in the Garmin G1000 NXi avionics suite and state their functions.

Q#23PA-28-181 & VIKG Aerodrome

Where is the alternate static port located and what is its operational effect?

Q#24PA-28-181 & VIKG Aerodrome

What is the ICAO and IATA code for Kishangarh Aerodrome?

Q#25PA-28-181 & VIKG Aerodrome

What is the official aerodrome elevation of Kishangarh (VIKG)?

Q#26PA-28-181 & VIKG Aerodrome

What are the runway designators and physical dimensions at VIKG?

Q#27PA-28-181 & VIKG Aerodrome

What type of airspace classification applies to VIKG and what is its lateral jurisdiction?

Q#28PA-28-181 & VIKG Aerodrome

What are the primary and standby ATC radio frequencies at VIKG?

Q#29PA-28-181 & VIKG Aerodrome

What is the frequency and identifier of the D-VOR at VIKG?

Q#30PA-28-181 & VIKG Aerodrome

What visual approach slope indicators and airfield lighting are installed at VIKG?

Q#31PA-28-181 & VIKG Aerodrome

Why is the nose gear tire pressure lower than the main gear tire pressure in the PA-28 Archer?

Q#32PA-28-181 & VIKG Aerodrome

Explain the Oleo-Pneumatic Strut construction on the PA-28 Archer and its inspection limits.

Q#33PA-28-181 & VIKG Aerodrome

How does Maneuvering Speed ($V_A$) change with aircraft weight in the PA-28, and why?

Q#34PA-28-181 & VIKG Aerodrome

Detail the Liquid Cooling System architecture of the TAE 125-02-114 Centurion 2.0s engine.

Q#35PA-28-181 & VIKG Aerodrome

What happens if there is a complete loss of engine coolant in flight in the Archer DX?

Q#36PA-28-181 & VIKG Aerodrome

Explain the Reduction Gearbox and separate Gearbox Lubrication System on the Centurion 2.0s.

Q#37PA-28-181 & VIKG Aerodrome

What is the purpose of the Gearbox Friction Clutch, and how is it monitored?

Q#38PA-28-181 & VIKG Aerodrome

Explain the Low Oil Pressure failure sequence and immediate pilot memory action on the PA-28 Archer DX.

Q#39PA-28-181 & VIKG Aerodrome

Detail the Dual FADEC electrical power supply architecture: Alternator, Main Battery, and FADEC Backup Battery.

Q#40PA-28-181 & VIKG Aerodrome

What happens if both the Alternator and Main Battery fail in the Archer DX? Detail the FADEC Backup Battery procedure.

Q#41PA-28-181 & VIKG Aerodrome

Explain the High-Pressure Common Rail Direct Injection (CRDI) system and operating pressures.

Q#42PA-28-181 & VIKG Aerodrome

What happens if an electric low-pressure fuel pump fails in the Archer DX common-rail system?

Q#43PA-28-181 & VIKG Aerodrome

Explain Fuel Temperature Limits and the Fuel Return / Recirculation System in the PA-28 Archer DX.

Q#44PA-28-181 & VIKG Aerodrome

What is the purpose of anti-microbial biocide (e.g. Kathon FP 1.5 or Biobor JF) in Jet A-1 fuel for the Archer DX?

Q#45PA-28-181 & VIKG Aerodrome

Explain the Fuel Venting System and why blocked fuel vents can cause engine stoppage.

Q#46PA-28-181 & VIKG Aerodrome

Why is an Auxiliary Electric Fuel Pump installed, and when is it mandatorily switched ON?

Q#47PA-28-181 & VIKG Aerodrome

Detail the 28-Volt Electrical System architecture, circuit breakers, and Main Bus vs Essential Bus.

Q#48PA-28-181 & VIKG Aerodrome

What is an Alternator Inop light, and what steps are taken during an in-flight alternator failure?

Q#49PA-28-181 & VIKG Aerodrome

Explain the Stabilator Anti-Servo Tab and its dual aerodynamic functions on the PA-28.

Q#50PA-28-181 & VIKG Aerodrome

Why is the PA-28 equipped with an all-moving stabilator instead of a conventional fixed stabilizer and elevator?

Q#51PA-28-181 & VIKG Aerodrome

Detail the mechanical manual flap system (Johnson Bar) on the PA-28: flap detents and emergency advantages.

Q#52PA-28-181 & VIKG Aerodrome

Explain Differential Ailerons on the PA-28 and how they counteract Adverse Yaw.

Q#53PA-28-181 & VIKG Aerodrome

What causes Nose Wheel Shimmy during takeoff or landing roll, and how is it dampened?

Q#54PA-28-181 & VIKG Aerodrome

Explain the Stall Warning Vane on the PA-28: operating principle and electrical heating.

Q#55PA-28-181 & VIKG Aerodrome

Detail the Pitot-Static Mast on the PA-28: heating element and alternate static valve location.

Q#56PA-28-181 & VIKG Aerodrome

What are the emergency memory items for an In-Flight Engine Fire in the PA-28 Archer DX?

Q#57PA-28-181 & VIKG Aerodrome

What is the Maximum Demonstrated Crosswind component for the PA-28-181, and what technique is used?

Q#58PA-28-181 & VIKG Aerodrome

Detail the Spin Recovery technique (PARE) for the PA-28 Archer.

Q#59PA-28-181 & VIKG Aerodrome

Explain the Kishangarh (VIKG) Local Flying Area (LFA) boundaries, Avyanna Company Frequency, and Sector safety altitudes.

Q#60PA-28-181 & VIKG Aerodrome

Summarize the Avyanna SPL & CPL Master Viva Preparation Check Sheet for the PA-28 Archer DX.

Q#1Piston Engines & Powerplants

What is an inline engine?

Q#2Piston Engines & Powerplants

What is a V engine?

Q#3Piston Engines & Powerplants

What is a radial engine?

Q#4Piston Engines & Powerplants

What is a flat/horizontally opposed engine?

Q#5Piston Engines & Powerplants

What cycle do piston aero engines primarily use?

Q#6Piston Engines & Powerplants

What cycle do gas turbine engines use?

Q#7Piston Engines & Powerplants

What are the four strokes of the Otto cycle?

Q#8Piston Engines & Powerplants

What is TDC?

Q#9Piston Engines & Powerplants

What is BDC?

Q#10Piston Engines & Powerplants

How many degrees of crankshaft rotation complete a 4-stroke cycle?

Q#11Piston Engines & Powerplants

What is the function of the crankshaft?

Q#12Piston Engines & Powerplants

What does the camshaft do?

Q#13Piston Engines & Powerplants

What is engine 'bore'?

Q#14Piston Engines & Powerplants

What is an over-square engine?

Q#15Piston Engines & Powerplants

How does the theoretical Otto cycle differ from the practical cycle?

Q#16Piston Engines & Powerplants

What is valve lead?

Q#17Piston Engines & Powerplants

What is valve lag?

Q#18Piston Engines & Powerplants

What is valve overlap?

Q#19Piston Engines & Powerplants

What is firing interval?

Q#20Piston Engines & Powerplants

What is IMEP?

Q#21Piston Engines & Powerplants

What is Manifold Pressure (MAP)?

Q#22Piston Engines & Powerplants

What is IHP?

Q#23Piston Engines & Powerplants

What is FHP?

Q#24Piston Engines & Powerplants

What is BHP?

Q#25Piston Engines & Powerplants

What is SHP?

Q#26Piston Engines & Powerplants

What is power-to-weight ratio?

Q#27Piston Engines & Powerplants

What is SFC?

Q#28Piston Engines & Powerplants

What is mechanical efficiency?

Q#29Piston Engines & Powerplants

What is thermal efficiency?

Q#30Piston Engines & Powerplants

What is volumetric efficiency?

Q#31Piston Engines & Powerplants

What is compression ratio?

Q#32Piston Engines & Powerplants

What is clearance ratio?

Q#33Piston Engines & Powerplants

What is the camshaft speed relative to crankshaft speed in a 4-stroke engine?

Q#34Piston Engines & Powerplants

What is a wet sump lubrication system?

Q#35Piston Engines & Powerplants

What is a dry sump system?

Q#36Piston Engines & Powerplants

What is a force feed lubrication system?

Q#37Piston Engines & Powerplants

What is the hot pot in a dry sump tank?

Q#38Piston Engines & Powerplants

Where is oil inlet temperature typically measured?

Q#39Piston Engines & Powerplants

What is the suction filter?

Q#40Piston Engines & Powerplants

What does the pressure pump do?

Q#41Piston Engines & Powerplants

What is the pressure filter?

Q#42Piston Engines & Powerplants

What does the oil pressure gauge indicate?

Q#43Piston Engines & Powerplants

What is a scavenge filter?

Q#44Piston Engines & Powerplants

What does the scavenge pump do?

Q#45Piston Engines & Powerplants

What is the purpose of an oil cooler?

Q#46Piston Engines & Powerplants

What is the thermostatic bypass valve?

Q#47Piston Engines & Powerplants

What is the anti-surge valve?

Q#48Piston Engines & Powerplants

What is feathering oil?

Q#49Piston Engines & Powerplants

What indicates low oil quantity or pump failure?

Q#50Piston Engines & Powerplants

What is oil viscosity?

Q#51Piston Engines & Powerplants

What are common types of aviation oil?

Q#52Piston Engines & Powerplants

How does liquid cooling work?

Q#53Piston Engines & Powerplants

What does a cooling thermostat do?

Q#54Piston Engines & Powerplants

How does air cooling work?

Q#55Piston Engines & Powerplants

What does the ignition switch do?

Q#56Piston Engines & Powerplants

What is a magneto?

Q#57Piston Engines & Powerplants

What is a glow plug?

Q#58Piston Engines & Powerplants

What is a dead cut check?

Q#59Piston Engines & Powerplants

What is a live mag check?

Q#60Piston Engines & Powerplants

When is the MAP/RPM drop check done?

Q#61Piston Engines & Powerplants

What is magneto arcing?

Q#62Piston Engines & Powerplants

What does the magneto primary coil do?

Q#63Piston Engines & Powerplants

What does the secondary coil do?

Q#64Piston Engines & Powerplants

What are the common grades of aviation gasoline (Avgas)?

Q#65Piston Engines & Powerplants

What causes carburettor icing?

Q#66Piston Engines & Powerplants

What is calorific value?

Q#67Piston Engines & Powerplants

What is flame rate?

Q#68Piston Engines & Powerplants

What is a lean mixture?

Q#69Piston Engines & Powerplants

What is a rich mixture?

Q#70Piston Engines & Powerplants

What is detonation (knocking)?

Q#71Piston Engines & Powerplants

What causes detonation?

Q#72Piston Engines & Powerplants

How do you prevent detonation?

Q#73Piston Engines & Powerplants

What fuel do aviation diesel engines typically use?

Q#74Piston Engines & Powerplants

What is engine conversion?

Q#75Piston Engines & Powerplants

What causes engine backfiring?

Q#76Piston Engines & Powerplants

What is the chemically correct (stoichiometric) ratio for Avgas?

Q#77Piston Engines & Powerplants

What is the practical best power mixture ratio?

Q#78Piston Engines & Powerplants

What does Exhaust Gas Temperature (EGT) indicate?

Q#79Piston Engines & Powerplants

What is priming?

Q#80Piston Engines & Powerplants

What does carburettor heating do?

Q#81Piston Engines & Powerplants

What is CRDI?

Q#82Piston Engines & Powerplants

What is DOHC?

Q#83Piston Engines & Powerplants

What is an FCU?

Q#84Piston Engines & Powerplants

What does the discharge nozzle do?

Q#85Piston Engines & Powerplants

What does the fuel manifold valve do?

Q#86Piston Engines & Powerplants

What is a centrifugal compressor?

Q#87Piston Engines & Powerplants

What is the function of the impeller and diffuser?

Q#88Piston Engines & Powerplants

What is the difference between a turbocharger and a supercharger?

Q#89Piston Engines & Powerplants

What is a wastegate?

Q#90Piston Engines & Powerplants

When is the wastegate fully open?

Q#91Piston Engines & Powerplants

When is the wastegate fully shut?

Q#92Piston Engines & Powerplants

What is critical altitude?

Q#93Piston Engines & Powerplants

What is turbo lag?

Q#1Air Regulations

What are the 19 Annexes to the ICAO Convention on International Civil Aviation?

Q#2Air Regulations

What are the Freedoms of the Air? Explain all 5 declared freedoms under the Chicago Convention.

Q#3Air Regulations

Detail the key International Aviation Conventions: Tokyo, Rome, Warsaw, Montreal, Chicago, Cape Town, and Hague.

Q#4Air Regulations

What is Cabotage? Explain Cabotage traffic, Open Skies policy, and the difference between a Wet Lease and a Dry Lease.

Q#5Air Regulations

What are the roles, structures, and functions of MoCA, DGCA, WPC, and AAI in India?

Q#6Air Regulations

Compare the requirements for CPL, CPL with Instrument Rating (IR), and ATPL under Annex 1 (Personnel Licensing).

Q#7Air Regulations

What are the rules regarding Co-pilot flight time logging, PPL requirements, illness reporting, and pilot recency (90-day rule)?

Q#8Air Regulations

What are the requirements and specifications for Aircraft Nationality and Registration Marks under Annex 7?

Q#9Air Regulations

Explain the territorial application of the Rules of the Air (Annex 2) and the authority and responsibility of the Pilot-in-Command (PIC).

Q#10Air Regulations

What are Visual Meteorological Conditions (VMC) and Instrument Meteorological Conditions (IMC)? What are the specific VFR flight visibility and cloud distance minima across all airspace classes?

Q#11Air Regulations

What is Special VFR (SVFR)? When is it granted and what are the take-off and meteorological minima in a Control Zone (CTR)?

Q#12Air Regulations

What are the rules and height restrictions governing Aerobatic Flights?

Q#13Air Regulations

What are the minimum safe flight altitudes (Low Flying rules) for VFR and IFR flights over populated and non-populated areas?

Q#14Air Regulations

What are Prohibited Areas, Restricted Areas, and Danger Areas? What ground visual signal warns an aircraft flying near them, and what immediate actions must a pilot take?

Q#15Air Regulations

Name prominent Prohibited and Restricted airspaces in India with their vertical and lateral limits.

Q#16Air Regulations

What are the rules concerning Formation Flights, Dropping of Articles/Leaflets, Towing, and Parachute descents?

Q#17Air Regulations

Explain the Right of Way rules for aircraft in flight: Approaching Head-on, Overtaking, and Converging.

Q#18Air Regulations

What is the right-of-way priority hierarchy between different classes of aircraft, during landing, and on the aerodrome surface?

Q#19Air Regulations

What procedures must a pilot follow if their aircraft is intercepted by military aircraft? What do interceptor maneuvers mean, and what transponder codes apply?

Q#20Air Regulations

What navigation lights and anti-collision lights must be displayed by an aircraft? What are their angles of coverage and color specifications?

Q#21Air Regulations

What action must be taken in the event of aircraft light failure in flight?

Q#22Air Regulations

When is filing an ICAO Flight Plan (FPL) mandatory in India? What are the filing deadlines before departure and in flight?

Q#23Air Regulations

What are the rules regarding flight plan delays, adherence to Current Flight Plan (CPL), and tolerances for reporting deviations (Mach, TAS, ETA)?

Q#24Air Regulations

Explain the aerodrome light gun communication signals used by ATC for communication failure or visual control.

Q#25Air Regulations

What is the standard communication failure procedure when operating in Visual Meteorological Conditions (VMC)?

Q#26Air Regulations

What is the 7-step standard communication failure procedure when operating under Instrument Flight Rules (IFR) in Instrument Meteorological Conditions (IMC)?

Q#27Air Regulations

Explain the Semi-Circular (Cruising Levels) Rule and how it differs from Reduced Vertical Separation Minima (RVSM).

Q#28Air Regulations

What is Reduced Vertical Separation Minima (RVSM)? What airspace does it cover, what are its benefits, and what mandatory avionics equipment is required?

Q#29Air Regulations

Compare Conventional Vertical Separation Minima (CVSM) and RVSM separation distances below and above FL290.

Q#30Air Regulations

Explain the Visual Signals displayed in an Aerodrome Signals Area.

Q#31Air Regulations

What are the standard Flight Deck Signals and Marshalling Signals between ground personnel and pilots?

Q#32Air Regulations

What is the ICAO Airspace Classification system (Classes A to G)?

Q#33Air Regulations

Describe ATS Airspace definitions: Control Zone (CTR), Control Area (CTA/TMA), Aerodrome Traffic Zone (ATZ), and Airspace organization in India.

Q#34Air Regulations

What are the lateral separation minima based on radio navigation aids (VOR, NDB, Dead Reckoning)?

Q#35Air Regulations

What are the longitudinal separation minima based on time and speed differentials between aircraft on the same track?

Q#36Air Regulations

What are the longitudinal separation minima based on DME distance on the same, crossing, and reciprocal tracks?

Q#37Air Regulations

Explain Performance Based Navigation (PBN) concepts: RNP, RCP, and RSP with practical operational examples.

Q#38Air Regulations

Explain the anatomy, design, and entry procedures of a standard Holding Pattern.

Q#39Air Regulations

What are Wake Turbulence Categories of aircraft and non-radar longitudinal separation minima for departing and arriving aircraft?

Q#40Air Regulations

How are Wake Vortices generated, what flight configuration produces the worst vortices, and how far and fast do wake vortices travel?

Q#41Air Regulations

What is the difference between Primary Surveillance Radar (PSR) and Secondary Surveillance Radar (SSR)? How does ATC achieve radar separation?

Q#42Air Regulations

Explain the functions and operating characteristics of Mode A, Mode C, and Mode S transponders, including emergency squawk codes.

Q#43Air Regulations

Compare Automatic Dependent Surveillance-Broadcast (ADS-B) and Automatic Dependent Surveillance-Contract (ADS-C).

Q#44Air Regulations

Define key ICAO aeronautical altitude terms: ETA, EAT, DER, OCA/OCH, MEHT, OIS, MSA, TCAS/ACAS, DA/DH, MDA/MDH, MOCA, Grid MORA, and MEA.

Q#45Air Regulations

Explain the standard altimeter setting procedures: QNH, QFE, QNE, Transition Altitude (TA), Transition Level (TL), Transition Layer, and usable flight levels in India.

Q#46Air Regulations

What is Circle-to-Land? When can a pilot descend below MDA, and what is the missed approach procedure if visual reference is lost?

Q#47Air Regulations

What is the difference between a Procedure Turn, a Base Turn, and a No Transgression Zone (NTZ)?

Q#48Air Regulations

What is the scope of Flight Information Service (FIS), and what are the operational specifications of Voice-ATIS broadcasts?

Q#49Air Regulations

What are the three Search and Rescue (SAR) emergency alerting phases (INCERFA, ALERFA, DETRESFA) and their declaration criteria?

Q#50Air Regulations

What are the components of the Integrated Aeronautical Information Package: AIP (GEN, ENR, AD), AIP Amendments, AIP Supplements, AIRAC, and AIC?

Q#51Air Regulations

What is an AIRAC cycle? What are its common effective date intervals, advance distribution timeline, and change freeze period?

Q#52Air Regulations

What is a NOTAM? Explain the different series of NOTAMs promulgated in India (Series A, B, C, D, G) and the purpose of SNOWTAM and ASHTAM.

Q#53Air Regulations

Define Runway Declared Distances: TORA, TODA, ASDA, and LDA. What are the physical and operational specifications of a Clearway and a Stopway?

Q#54Air Regulations

Explain the Aerodrome Reference Code system (Code Number 1-4 and Code Letter A-F) and how runway width is determined.

Q#55Air Regulations

Explain the ACN-PCN method of reporting airport pavement bearing strength. Decode a sample PCN string like PCN 80 / R / B / W / T.

Q#56Air Regulations

Describe the types, dimensions, and spacing of official Runway Surface Markings: Designation, Centerline, Threshold stripes, Aiming point, and Touchdown zone.

Q#57Air Regulations

Describe Taxiway surface markings, Taxiway Centerline, and Runway Holding Position (Hold Short) markings.

Q#58Air Regulations

Detail the Aerodrome Lighting systems: Aerodrome Beacon, Approach Lighting Systems (Simple 420m, Precision Cat I 900m, Calvert Cat II/III 900m), and PAPI / APAPI slope indicators.

Q#59Air Regulations

Describe Runway Edge Lights, Threshold Lights, Runway End Lights, Centerline Lights, Touchdown Zone Lights, and Taxiway Lights.

Q#60Air Regulations

What are Mandatory Instruction Signs, Location Signs, Direction Signs, and Destination Signs at an aerodrome? What are the lighting requirements for aerodrome obstacles?

Q#61Air Regulations

What are the specific meteorological conditions required for CAVOK, and what are the contents of an AIREP / PIREP?

Q#62Air Regulations

What are the key provisions, jurisdictional scope, and statutory powers of the Aircraft Act 1934 and Aircraft Rules 1937?

Q#63Air Regulations

What are the Indian Aircraft Public Health Rules 1954 regarding quarantinable diseases, incubation periods, and carriage of human remains?

Q#64Air Regulations

What is Air Defence Clearance (ADC)? When is an aircraft exempt, how long is it valid, and when must a new ADC be obtained?

Q#65Air Regulations

What mandatory documents must be carried on board an Indian civil registered aircraft? How long must crew journey logbooks be preserved?

Q#66Air Regulations

What are the mandatory minimum fuel reserve requirements for Piston-engine and Turbojet aircraft under IFR, VFR, and with/without alternate aerodromes?

Q#67Air Regulations

What are the statutory flight crew and passenger supplemental oxygen requirements at various flight altitudes?

Q#68Air Regulations

Define the classification of Runway Surface Conditions: Damp, Wet, and Contaminated. What is Aquaplaning, and what are the Mu-meter friction coefficient codes?

Q#69Air Regulations

What are the Flight Duty Time Limitations (FDTL) for domestic and international operations in India, maximum flying hours, and cabin crew requirements?

Q#70Air Regulations

What are the mandatory safety clearance distances to be maintained during aircraft refuelling?

Q#71Air Regulations

What are the Carriage of Dangerous Goods regulations under Annex 18, and what is the difference between an MMEL and an MEL?

Q#72Air Regulations

What are the classification of fires and recommended fire extinguishing agents on aircraft?

Q#73Air Regulations

What are Noise Abatement departure and arrival procedures, and what meteorological conditions prohibit their use?

Q#74Air Regulations

What are the four types of Hypoxia, Dalton's Law, the four stages of hypoxia, and how do you differentiate and treat Hypoxia vs Hyperventilation?

Q#75Air Regulations

What is Carbon Monoxide (CO) poisoning in light aircraft, and what immediate emergency actions must a pilot take?

Q#76Air Regulations

What is Rapid Cabin Decompression, Decompression Sickness (Bends), and what is Time of Useful Consciousness (TUC) at various altitudes?

Q#77Air Regulations

Explain Eye Physiology in aviation: Rods vs Cones, dark adaptation, empty field myopia, and night scanning techniques.

Q#78Air Regulations

Describe common Vestibular and Sensory Illusions in flight: Vertigo, Coriolis Effect, Somatogravic Illusion, Autokinesis, Narrow/Wide runway, and Upslope/Downslope runway.

Q#79Air Regulations

What is the SHEL Model in aviation human factors, and how do its elements interact?

Q#80Air Regulations

What are the communications Q-codes QDM, QDR, QTE, QUJ, QNH, QFE, QNE, QFF, and what is the standard order of message priority on VHF R/T?

Q#81Air Regulations

What are the eligibility requirements, oral exams, and privileges of a Student Pilot Licence (SPL)?

Q#82Air Regulations

What are the prerequisite requirements before a student pilot can be released on their First Solo Flight?

Q#83Air Regulations

What are the flight experience requirements for the issuance of a Commercial Pilot Licence (CPL) in India?

Q#84Air Regulations

What is the Recent Experience (Recency) rule for carrying passengers as PIC?

Q#85Air Regulations

What are the validity periods for Class 1 and Class 2 Medical Assessments in India?

Q#86Air Regulations

When is a pilot obligated to report temporary medical unfitness to DGCA?

Q#87Air Regulations

What are the statutory rules regarding Pilot Logbook maintenance (Rule 67)?

Q#88Air Regulations

Detail DGCA Rule 24 and the CAR regarding alcohol consumption and Breath Analyzer (BA) testing.

Q#89Air Regulations

What are the rules regarding psychoactive substances and prescription medications?

Q#90Air Regulations

Explain the Precision Approach Path Indicator (PAPI) light indications.

Q#91Air Regulations

What are the mandatory items in an ATC clearance that MUST be read back verbatim by a pilot?

Q#92Air Regulations

What are the four Flight Information Regions (FIRs) in India?

Q#93Air Regulations

What is Special VFR (SVFR) flight and what are its minimum weather criteria?

Q#94Air Regulations

Explain the visual interception signals if intercepted by a military aircraft.

Q#95Air Regulations

What are the rules regarding smoking on board civil aircraft in India?

Q#96Air Regulations

What are the four categories of Aircraft Ownership under Indian registration rules?

Q#97Air Regulations

What is a Certificate of Release to Service (CRS) and who can sign it?

Q#98Air Regulations

Explain the Aerodrome Traffic Circuit: Legs, standard direction, and departure/arrival procedures.

Q#99Air Regulations

What is a Runway Incursion and what are its severity categories?

Q#100Air Regulations

Explain the visual differences between Taxiway Edge lights and Runway Edge lights.

Q#101Air Regulations

What is the standard procedure for an aircraft experiencing Complete Electrical Failure in flight?

Q#102Air Regulations

What is an Air Traffic Services (ATS) Route and how is it designated?

Q#103Air Regulations

What is a Minimum Safe Altitude (MSA) on an aeronautical chart?

Q#104Air Regulations

Explain the difference between Decision Altitude (DA) and Minimum Descent Altitude (MDA).

Q#105Air Regulations

What are the rules regarding towing of gliders or banners by aircraft in India?

Q#106Air Regulations

What are the Carriage of Firearms and Weapons rules on Indian civil aircraft?

Q#107Air Regulations

What is the Minimum Fuel Advisory and how does it differ from a Fuel Emergency?

Q#108Air Regulations

What are the rules regarding Pilot Flying (PF) vs Pilot Monitoring (PM) in multi-crew operations?

Q#109Air Regulations

Explain the Sterile Flight Deck Rule.

Q#110Air Regulations

What is Controlled Flight Into Terrain (CFIT) and what systems prevent it?

Q#111Air Regulations

Summarize the master regulatory viva check sheet for DGCA examinations.

Q#112Air Regulations

What is an Air Operator Certificate (AOC) and when is it required?

Q#113Air Regulations

What are the rules regarding VFR flight above FL150 and FL200 in India?

Q#114Air Regulations

What is an Aerodrome Traffic Zone (ATZ) and what are its standard dimensions?

Q#115Air Regulations

Distinguish between a Control Zone (CTR) and a Control Area (CTA/TMA).

Q#116Air Regulations

What are the Minimum Safe Heights for VFR flight over congested cities vs elsewhere?

Q#117Air Regulations

Distinguish between Prohibited Areas (VAP-), Restricted Areas (VAR-), and Danger Areas (VAD-).

Q#118Air Regulations

What is an Airprox (Near Miss) and what are its severity categories?

Q#119Air Regulations

What are the rules regarding Dropping of Articles or Spraying from an aircraft in India?

Q#120Air Regulations

Explain the visual differences between Runway Guard Lights and Stop Bars.

Q#1Aviation MeteorologySection 1: Atmosphere & Physical Composition

What is the chemical composition of clean, dry atmospheric air?

Q#2Aviation MeteorologySection 1: Atmosphere & Physical Composition

How does water vapour content vary in the atmosphere, and what are condensation nuclei?

Q#3Aviation MeteorologySection 1: Atmosphere & Physical Composition

Describe the Troposphere and its main characteristics.

Q#4Aviation MeteorologySection 1: Atmosphere & Physical Composition

What is the Tropopause and how does its height and temperature vary with latitude?

Q#5Aviation MeteorologySection 1: Atmosphere & Physical Composition

What are the four primary operational significances of the Tropopause to pilots?

Q#6Aviation MeteorologySection 1: Atmosphere & Physical Composition

Describe the Stratosphere and the function of the Ozone Layer (O₃).

Q#7Aviation MeteorologySection 1: Atmosphere & Physical Composition

What are the Mesosphere and Thermosphere?

Q#8Aviation MeteorologySection 1: Atmosphere & Physical Composition

What are the baseline standard values of the ICAO International Standard Atmosphere (ISA) at Mean Sea Level (MSL)?

Q#9Aviation MeteorologySection 1: Atmosphere & Physical Composition

How do you calculate ISA Temperature and ISA Deviation at any flight level?

Q#10Aviation MeteorologySection 1: Atmosphere & Physical Composition

Calculate the ISA Temperature at FL050, FL180, FL240, and FL300.

Q#11Aviation MeteorologySection 2: Atmospheric Pressure & Altimetry

Define Atmospheric Pressure and state how pressure decreases with altitude.

Q#12Aviation MeteorologySection 2: Atmospheric Pressure & Altimetry

Provide the standard pressure values (hPa) for key ICAO flight levels.

Q#13Aviation MeteorologySection 2: Atmospheric Pressure & Altimetry

Define QFE, QNH, QNE, and QFF.

Q#14Aviation MeteorologySection 2: Atmospheric Pressure & Altimetry

Explain the classic altimetry rule: 'High to Low, Look Out Below'.

Q#15Aviation MeteorologySection 2: Atmospheric Pressure & Altimetry

Define Transition Altitude (TA), Transition Level (TRL), and Transition Layer.

Q#16Aviation MeteorologySection 2: Atmospheric Pressure & Altimetry

Explain the semi-diurnal variation of atmospheric pressure.

Q#17Aviation MeteorologySection 2: Atmospheric Pressure & Altimetry

Define Depressions (Lows), Anticyclones (Highs), Troughs, Ridges, and Cols.

Q#18Aviation MeteorologySection 2: Atmospheric Pressure & Altimetry

Define the standard meteorological isolines used on aviation weather charts.

Q#19Aviation MeteorologySection 3: Temperature, Heat & Inversions

Explain the four primary mechanisms of atmospheric heat transfer.

Q#20Aviation MeteorologySection 3: Temperature, Heat & Inversions

What is Albedo and Specific Heat? Contrast the thermal behavior of land vs water.

Q#21Aviation MeteorologySection 3: Temperature, Heat & Inversions

Explain the Diurnal Variation of surface air temperature and the Stevenson Screen.

Q#22Aviation MeteorologySection 3: Temperature, Heat & Inversions

What is a Temperature Inversion? Detail its four primary formation types.

Q#23Aviation MeteorologySection 3: Temperature, Heat & Inversions

What are the four critical aviation flight hazards associated with a low-level Temperature Inversion?

Q#24Aviation MeteorologySection 4: Density & Density Altitude

Define Air Density and state the DSTH relationship (Density, Speed, Temperature, Humidity).

Q#25Aviation MeteorologySection 4: Density & Density Altitude

Why is moist air less dense than dry air? Explain using molecular weights.

Q#26Aviation MeteorologySection 4: Density & Density Altitude

What is Density Altitude (DA) and how is it calculated?

Q#27Aviation MeteorologySection 5: Moisture, Humidity & Normand's Theorem

Define Absolute Humidity, Relative Humidity (RH), and Dewpoint Temperature.

Q#28Aviation MeteorologySection 5: Moisture, Humidity & Normand's Theorem

What are Dry Bulb, Wet Bulb, and Wet Bulb Depression?

Q#29Aviation MeteorologySection 5: Moisture, Humidity & Normand's Theorem

State Normand's Theorem and its practical application to aerological diagrams.

Q#30Aviation MeteorologySection 5: Moisture, Humidity & Normand's Theorem

State the rule-of-thumb formula for calculating convective cloud base height from surface temperature and dewpoint.

Q#31Aviation MeteorologySection 6: Lapse Rates & Stability

Compare DALR, SALR, and ELR: Definitions and standard values.

Q#32Aviation MeteorologySection 6: Lapse Rates & Stability

Detail the four states of Atmospheric Stability.

Q#33Aviation MeteorologySection 6: Lapse Rates & Stability

Compare the flight and weather characteristics of a Stable vs an Unstable Atmosphere.

Q#34Aviation MeteorologySection 7: Cloud Classification & Physics

List the 10 main cloud genera and their standard altitude families.

Q#35Aviation MeteorologySection 7: Cloud Classification & Physics

What are Altocumulus Lenticularis and Altocumulus Castellanus clouds, and what do they warn pilots of?

Q#36Aviation MeteorologySection 7: Cloud Classification & Physics

Distinguish between Halos and Coronas.

Q#37Aviation MeteorologySection 7: Cloud Classification & Physics

Define Cloud Base, Cloud Ceiling, and Cloud Amount (Oktas).

Q#38Aviation MeteorologySection 8: Precipitation & Fog

Explain the Bergeron-Findeisen Theory and Collision-Coalescence Theory of precipitation.

Q#39Aviation MeteorologySection 8: Precipitation & Fog

Define Fog, Mist, and Haze according to ICAO criteria.

Q#40Aviation MeteorologySection 8: Precipitation & Fog

Explain the formation, favorable conditions, and dissipation of Radiation Fog.

Q#41Aviation MeteorologySection 8: Precipitation & Fog

Explain Advection Fog, Upslope Fog, Steam Fog, and Frontal Fog.

Q#42Aviation MeteorologySection 9: Winds & Local Circulations

List and formulate the primary forces that govern atmospheric motion and wind.

Q#43Aviation MeteorologySection 9: Winds & Local Circulations

State Buys Ballot's Law and explain its surface friction modification.

Q#44Aviation MeteorologySection 9: Winds & Local Circulations

Define Geostrophic Wind and Gradient Wind.

Q#45Aviation MeteorologySection 9: Winds & Local Circulations

Explain the effect of surface friction on wind. Define 'Veering' and 'Backing'.

Q#46Aviation MeteorologySection 9: Winds & Local Circulations

Describe the mechanism and timing of Sea Breeze and Land Breeze systems.

Q#47Aviation MeteorologySection 9: Winds & Local Circulations

Detail Anabatic and Katabatic mountain winds.

Q#48Aviation MeteorologySection 9: Winds & Local Circulations

Explain the thermodynamics of Foehn and Chinook Winds.

Q#49Aviation MeteorologySection 9: Winds & Local Circulations

Define the 'Thermal Wind' and explain how thermal advection is diagnosed.

Q#50Aviation MeteorologySection 10: Jet Streams & CAT

Define a Jet Stream according to WMO criteria and state its dimensions.

Q#51Aviation MeteorologySection 10: Jet Streams & CAT

Compare the three major global Jet Streams: STJ, PFJ, and TEJ.

Q#52Aviation MeteorologySection 10: Jet Streams & CAT

What is Clear Air Turbulence (CAT)? State its threshold criteria and where it is found near a jet stream.

Q#53Aviation MeteorologySection 11: Fronts & Occlusions

Define Front, Frontogenesis, and Frontolysis.

Q#54Aviation MeteorologySection 11: Fronts & Occlusions

Describe the Warm Front: its slope, advance speed, cloud succession, and weather sequence.

Q#55Aviation MeteorologySection 11: Fronts & Occlusions

Describe the Cold Front: its slope, speed, cloud types, and weather sequence.

Q#56Aviation MeteorologySection 11: Fronts & Occlusions

Distinguish between a Cold Occlusion and a Warm Occlusion.

Q#57Aviation MeteorologySection 12: Thunderstorms & Icing

What are the three essential requirements for Thunderstorm (Cb) formation and the three stages of its lifecycle?

Q#58Aviation MeteorologySection 12: Thunderstorms & Icing

Explain Microbursts: Dimensional criteria, lifetime, and the flight aerodynamics of an encounter.

Q#59Aviation MeteorologySection 12: Thunderstorms & Icing

What radar separation distance is recommended from severe Thunderstorms?

Q#60Aviation MeteorologySection 12: Thunderstorms & Icing

Compare the three types of aircraft structural icing: Clear Ice, Rime Ice, and Mixed Ice.

Q#61Aviation MeteorologySection 12: Thunderstorms & Icing

What is Freezing Rain and why is it an immediate emergency?

Q#62Aviation MeteorologySection 12: Thunderstorms & Icing

Explain Carburetor Icing: environmental envelope, inflight symptoms, and recovery.

Q#63Aviation MeteorologySection 13: Climatology of India & Codes

Outline the official classification of Indian seasons by IMD.

Q#64Aviation MeteorologySection 13: Climatology of India & Codes

What are Western Disturbances (WD) and how do they impact aviation in Northern India?

Q#65Aviation MeteorologySection 13: Climatology of India & Codes

Describe Nor'westers (Kalbaishakhi) in Eastern India.

Q#66Aviation MeteorologySection 13: Climatology of India & Codes

What is an 'Andhi' (Dust Storm) in Northwest India (Rajasthan / Kishangarh)?

Q#67Aviation MeteorologySection 13: Climatology of India & Codes

What is the Axis of Monsoon Trough (AMT) and what is a 'Break in Monsoon'?

Q#68Aviation MeteorologySection 13: Climatology of India & Codes

Detail the IMD Classification of Tropical Cyclones by Maximum Sustained Surface Wind (MSW).

Q#69Aviation MeteorologySection 13: Climatology of India & Codes

Decode this sample Indian METAR string line-by-line: `METAR VIDP 160900Z 28012G22KT 3000 HZ FEW025 SCT080 34/18 Q1008 NOSIG=`

Q#70Aviation MeteorologySection 13: Climatology of India & Codes

What are the four mandatory criteria for a weather report to qualify for CAVOK?

Q#71Aviation MeteorologySection 14: Advanced Met & Viva Specials

Explain the anatomy, triggers, and aviation hazards of Pre-Frontal Squall Lines.

Q#72Aviation MeteorologySection 14: Advanced Met & Viva Specials

What is an Arcus or Shelf Cloud, and what does it warn pilots of?

Q#73Aviation MeteorologySection 14: Advanced Met & Viva Specials

Detail the Subtropical Westerly Jet (STJ) over Northern India during winter.

Q#74Aviation MeteorologySection 14: Advanced Met & Viva Specials

Describe the Somali Jet (Findlater Jet) and its role in the Indian Southwest Monsoon.

Q#75Aviation MeteorologySection 14: Advanced Met & Viva Specials

Contrast the Arabian Sea and Bay of Bengal branches of the Southwest Monsoon.

Q#76Aviation MeteorologySection 14: Advanced Met & Viva Specials

Describe the anatomy of a mature Tropical Cyclone: Eye, Eye Wall, and Spiral Rainbands.

Q#77Aviation MeteorologySection 14: Advanced Met & Viva Specials

List the mandatory thermodynamic and dynamic conditions required for Tropical Cyclogenesis.

Q#78Aviation MeteorologySection 14: Advanced Met & Viva Specials

Explain the Global Atmospheric Circulation: Hadley, Ferrel, and Polar Cells.

Q#79Aviation MeteorologySection 14: Advanced Met & Viva Specials

Explain El Niño, La Niña, and the Southern Oscillation (ENSO). How do they affect Indian weather?

Q#80Aviation MeteorologySection 14: Advanced Met & Viva Specials

Define Runway Visual Range (RVR) and its statutory reporting increments.

Q#81Aviation MeteorologySection 14: Advanced Met & Viva Specials

Explain the Beaufort Wind Scale: key forces from Calm to Hurricane.

Q#82Aviation MeteorologySection 14: Advanced Met & Viva Specials

Distinguish between a 'Gust' and a 'Squall'.

Q#83Aviation MeteorologySection 14: Advanced Met & Viva Specials

List all standard weather phenomenon letter codes used in METAR and TAF reports.

Q#84Aviation MeteorologySection 14: Advanced Met & Viva Specials

Decode this sample Terminal Aerodrome Forecast (TAF) line-by-line: `TAF VIDP 160900Z 1612/1718 27010KT 5000 HZ NSC TEMPO 1614/1618 3000 TSRA FEW025CB BKN030 BECMG 1704/1706 09008KT 6000=`

Q#85Aviation MeteorologySection 14: Advanced Met & Viva Specials

What is a SIGMET? What weather phenomena trigger a SIGMET and what is its validity period?

Q#86Aviation MeteorologySection 14: Advanced Met & Viva Specials

What is VOLMET and ATIS?

Q#87Aviation MeteorologySection 14: Advanced Met & Viva Specials

Explain Hoar Frost, Rain Ice, and Runback Icing.

Q#88Aviation MeteorologySection 14: Advanced Met & Viva Specials

Detail Mountain Waves (Lee Waves): required conditions, rotor turbulence, and downdraft hazards.

Q#89Aviation MeteorologySection 14: Advanced Met & Viva Specials

What is Virga and what extreme hazard does it signal to pilots?

Q#90Aviation MeteorologySection 14: Advanced Met & Viva Specials

Explain the Pre-Monsoon Pakistan-Rajasthan Heat Low and its effect on aircraft performance.

Q#91Aviation MeteorologySection 14: Advanced Met & Viva Specials

What is the 'Clean Aircraft Concept'?

Q#92Aviation MeteorologySection 14: Advanced Met & Viva Specials

Explain why the core of a mature tropical cyclone is warm (Warm Core Low).

Q#93Aviation MeteorologySection 14: Advanced Met & Viva Specials

What is an Easterly Wave in the tropics?

Q#94Aviation MeteorologySection 14: Advanced Met & Viva Specials

Explain the Northeast (Winter) Monsoon over Peninsular India.

Q#95Aviation MeteorologySection 14: Advanced Met & Viva Specials

What is the Loo wind in Northern India?

Q#96Aviation MeteorologySection 14: Advanced Met & Viva Specials

Explain the difference between Dynamic Pressure and Static Pressure in the atmosphere.

Q#97Aviation MeteorologySection 14: Advanced Met & Viva Specials

How does air temperature affect the speed of sound, and why does Mach number increase in a constant IAS climb?

Q#98Aviation MeteorologySection 14: Advanced Met & Viva Specials

Define Specific Humidity and Mixing Ratio.

Q#99Aviation MeteorologySection 14: Advanced Met & Viva Specials

What is Supercooling and how do supercooled water droplets exist down to -40°C?

Q#100Aviation MeteorologySection 14: Advanced Met & Viva Specials

Explain the structure and operation of an Aerodrome Anemometer.

Q#101Aviation MeteorologySection 14: Advanced Met & Viva Specials

What is an Isallobar and how is it used to predict the movement of low pressure systems?

Q#102Aviation MeteorologySection 14: Advanced Met & Viva Specials

Describe the characteristics of a Cold Air Pool.

Q#103Aviation MeteorologySection 14: Advanced Met & Viva Specials

Explain the differences between Warm Advection and Cold Advection.

Q#104Aviation MeteorologySection 14: Advanced Met & Viva Specials

What is the Intertropical Convergence Zone (ITCZ)?

Q#105Aviation MeteorologySection 14: Advanced Met & Viva Specials

Explain the mechanics of a Warm Core Low vs a Cold Core Low.

Q#106Aviation MeteorologySection 14: Advanced Met & Viva Specials

Explain the formation of a Dust Devil (Willy-Willy).

Q#107Aviation MeteorologySection 14: Advanced Met & Viva Specials

What is an Air Mass? Classify the primary air masses affecting world weather.

Q#88Aviation MeteorologySection 14: Advanced Met & Viva Specials

What is Frontolysis and what synoptic features cause a front to dissipate?

Q#109Aviation MeteorologySection 14: Advanced Met & Viva Specials

Explain the Warm Sector of a mid-latitude frontal depression.

Q#110Aviation MeteorologySection 14: Advanced Met & Viva Specials

Detail the life cycle of a Polar Front Depression (Bjerknes Theory).

Q#111Aviation MeteorologySection 14: Advanced Met & Viva Specials

What is Dewpoint Depression and how does it correlate with flight visibility?

Q#112Aviation MeteorologySection 14: Advanced Met & Viva Specials

Explain the formation and hazards of Hail.

Q#113Aviation MeteorologySection 14: Advanced Met & Viva Specials

What is Frost on an aircraft wing and what are its exact aerodynamic penalties?

Q#114Aviation MeteorologySection 14: Advanced Met & Viva Specials

What is Lightning and what parts of an aircraft are most commonly struck?

Q#115Aviation MeteorologySection 14: Advanced Met & Viva Specials

Explain the trade winds and the Horse Latitudes.

Q#116Aviation MeteorologySection 14: Advanced Met & Viva Specials

Define Inversion of Lapse Rate and list the instruments used for upper air soundings.

Q#117Aviation MeteorologySection 14: Advanced Met & Viva Specials

Explain the difference between Air Temperature and Skin (Total) Temperature on high-speed aircraft.

Q#118Aviation MeteorologySection 14: Advanced Met & Viva Specials

What is an Airmet (AIRMET) and how does it differ from a Sigmet?

Q#119Aviation MeteorologySection 14: Advanced Met & Viva Specials

What are Noctilucent Clouds?

Q#120Aviation MeteorologySection 14: Advanced Met & Viva Specials

Summarize the master aviation rules of thumb for Meteorology in DGCA examinations.

Q#1General Navigation

What is the exact physical shape of the Earth for navigational purposes? Define the Oblate Spheroid, flattening ratio, and contrast Geodetic vs Geocentric Latitude.

Q#2General Navigation

Define a Great Circle and its Vertex. Why does a Great Circle track angle continually change across longitudes?

Q#3General Navigation

Define a Rhumb Line. Contrast Great Circles and Rhumb Lines for short-haul vs long-haul transoceanic flight planning.

Q#4General Navigation

State the Earth Convergency formula. Explain why convergency is zero at the Equator and equals Change of Longitude at the Poles.

Q#5General Navigation

Define Conversion Angle and state its relationship to Earth Convergency. Detail the rules for converting Great Circle Tracks to Rhumb Line Tracks in both hemispheres.

Q#6General Navigation

Define 'Departure' and state the Departure Formula. Calculate the physical distance along parallels of latitude and explain why Departure decreases with latitude.

Q#7General Navigation

Define Chart Scale and Representative Fraction (RF). Calculate ground distance from chart measurements and explain the 'Earth Shrink Factor'.

Q#8General Navigation

Compare the properties, scale variations, and line representations of Mercator, Lambert Conformal, and Polar Stereographic projections.

Q#9General Navigation

Define Civil, Nautical, and Astronomical Twilight by solar depression angles. Explain the legal aviation definition of 'Night' under DGCA CAR.

Q#10General Navigation

Explain the factors determining the duration of Twilight across different latitudes and seasons. Why is twilight shortest at the Equator?

Q#11General Navigation

Define Perihelion and Aphelion. Explain Kepler's Three Laws of Planetary Motion and their navigational significance.

Q#12General Navigation

What is the Equation of Time? Explain its two physical causes (orbital eccentricity and obliquity of the ecliptic) and the Analemma.

Q#13General Navigation

Explain the relationships between UTC, GMT, LMT, and Standard Time. Calculate Local Mean Time from Longitude and explain Indian Standard Time (IST).

Q#14General Navigation

Describe the International Date Line (IDL), its alignment, and the date adjustment rules when crossing Eastbound vs Westbound.

Q#15General Navigation

Define the Point of No Return (PNR). State the formula, derivation, and calculate PNR under varying headwind and tailwind conditions.

Q#16General Navigation

Define the Equi-Time Point (Critical Point / ETP). Derive its formula and explain how wind shifts the ETP position.

Q#17General Navigation

Contrast PNR and ETP under Engine Failure (OEI) and Cabin Depressurization emergencies. How do fuel reserves affect each?

Q#18General Navigation

Explain the geometric principle of the 1-in-60 Rule. State the formulas for Track Error Angle, Closing Angle, and Total Correction Angle.

Q#19General Navigation

Work through a complete in-flight 1-in-60 rule navigation problem. Calculate Track Error, Closing Angle, and revised heading to destination.

Q#20General Navigation

Detail the Airspeed Hierarchy from IAS to TAS. Explain the physical causes and correction sequence for Instrument, Position, Compressibility, and Density errors.

Q#21General Navigation

Explain Terrestrial Magnetism: the Earth's magnetic dipole, magnetic poles, magnetic equator (aclinic line), and magnetic dip (inclination).

Q#22General Navigation

Define Magnetic Variation (Declination). Explain Isogonals, the Agonic Line, and the operational mnemonic 'Variation West, Magnetic Best'.

Q#23General Navigation

What is Aircraft Magnetic Deviation? Explain hard and soft iron magnetism, the compass swing, and how to use the Cockpit Deviation Card.

Q#24General Navigation

Explain the acceleration and turning errors of a Direct-Reading Magnetic Compass in the Northern Hemisphere (ANDS and UNOS).

Q#25General Navigation

Define Dead Reckoning (D.R.) and explain the Triangle of Velocities. Detail the Air Vector, Wind Vector, and Ground Vector.

Q#26General Navigation

Provide mental math rules for Time, Speed, and Distance calculations in flight. How do pilots calculate Groundspeed in NM per minute?

Q#27General Navigation

Outline Fuel Planning and Safe Endurance rules. Detail Taxi, Trip, Contingency, Alternate, and Final Reserve fuel requirements.

Q#28General Navigation

Work through a complete Critical Point (ETP) numerical problem with headwind and tailwind. Show the mathematical derivation and step-by-step solution.

Q#29General Navigation

Define QNH, QFE, and QNE barometric altimeter settings. Compare their pressure datums and explain what each setting indicates on the ground.

Q#30General Navigation

Define Transition Altitude (TA), Transition Level (TL), and Transition Layer. Why is cruising flight strictly prohibited within the Transition Layer?

Q#31General Navigation

Explain Altimeter Temperature Errors. State the Rule of Thumb formula and explain why extreme cold air creates a deadly obstacle clearance hazard.

Q#32General Navigation

Define Density Altitude and formulate its calculation. Explain its impact on engine thrust, propeller efficiency, and takeoff ground roll.

Q#33General Navigation

Explain the operation of the mechanical CRP-5 Flight Computer. Detail how to use the Wind Triangle slide and Circular Slide Rule side.

Q#34General Navigation

Define Static Air Temperature (SAT), Total Air Temperature (TAT), and Ram Temperature Rise. State the mathematical formulas for high-speed flight.

Q#35General Navigation

Describe the standard ICAO Search and Rescue (SAR) navigation search patterns: Track Crawl, Creeping Line, Expanding Square, and Sector Search.

Q#36General Navigation

Explain the fundamentals of Area Navigation (RNAV) and Performance-Based Navigation (PBN). Distinguish between RNAV and RNP specifications.

Q#37General Navigation

What is an RNP AR (Authorization Required) approach? Detail its curved radius-to-fix (RF) legs and obstacle clearance benefits.

Q#38General Navigation

Define Grid Navigation and explain why it is essential in Polar regions. What is a 'Grivation'?

Q#39General Navigation

Explain the navigation wind triangle calculation for Minimum Time Routes and Maximum Range Cruise (MRC) vs Long Range Cruise (LRC).

Q#40General Navigation

Review the essential formulas of General Navigation that every pilot must know for DGCA oral and written examinations.

Q#41General Navigation

What is an Oblate Spheroid and what are the exact dimensions of the Earth?

Q#42General Navigation

Define Geocentric Latitude vs Geodetic Latitude.

Q#43General Navigation

Define Great Circle and state its four essential navigation properties.

Q#44General Navigation

Define Rhumb Line (Loxodrome) and contrast it with a Great Circle.

Q#45General Navigation

State the Earth Convergency formula and Conversion Angle formula.

Q#46General Navigation

State the Departure formula and explain why departure decreases with latitude.

Q#47General Navigation

Explain the standard units of distance in aviation: Nautical Mile, Statute Mile, and Kilometer.

Q#48General Navigation

Define Magnetic Variation (Declination), Isogonals, and the Agonic Line.

Q#49General Navigation

Define Magnetic Deviation, Compass Swing, and the Deviation Card.

Q#50General Navigation

Explain the Triangle of Velocities and the three vector conventions.

Q#51General Navigation

Explain the 1-in-60 Rule, Track Error Angle, and Closing Angle.

Q#52General Navigation

Solve this sample 1-in-60 Viva Problem: 'After flying 40 NM, aircraft is 4 NM right of track. Total distance is 100 NM. What is the correction to steer?'

Q#53General Navigation

Define the Point of No Return (PNR) and state its formula.

Q#54General Navigation

Define the Critical Point (Equal Time Point - ETP) and state its formula.

Q#55General Navigation

Contrast Mercator and Lambert Conformal Conic chart projections.

Q#56General Navigation

Explain the properties of a Polar Stereographic Projection.

Q#57General Navigation

Explain Time Systems: Solar Day, Sidereal Day, LMT, and UTC.

Q#58General Navigation

Explain Civil Twilight, Nautical Twilight, and Astronomical Twilight.

Q#59General Navigation

Define Pressure Altitude (PA) and Density Altitude (DA) and formulate their calculation.

Q#60General Navigation

Explain the 3-Degree Descent Profile and how to calculate Top of Descent (TOD) and Rate of Descent (ROD).

Q#61General Navigation

Explain Gyroscopic Rigidity in Space and Precession.

Q#62General Navigation

Explain Earth Rate Gyro Wander and Transport Wander.

Q#63General Navigation

Explain Crosswind and Headwind component mental math calculations.

Q#64General Navigation

Summarize the master General Navigation formula sheet for DGCA examinations.

Q#65General Navigation

What is Representative Fraction (RF) on an aeronautical chart?

Q#66General Navigation

Why does Greenland appear roughly the same size as Africa on a Mercator chart?

Q#67General Navigation

Explain the standard parallels on a Lambert Conformal Conic chart.

Q#68General Navigation

Define the Parallel of Origin and Constant of the Cone on a Lambert projection.

Q#69General Navigation

What is Transverse Mercator and why is it used for aerodrome charts and ICAO 1:500,000 maps?

Q#70General Navigation

Calculate the Local Mean Time (LMT) at Mumbai (72°50'E) when UTC is 12:00:00.

Q#71General Navigation

What is the Equation of Time (EoT) and what causes it?

Q#72General Navigation

Explain the International Date Line (IDL) and the rule for date adjustment when crossing it.

Q#73General Navigation

What are the Solstices and Equinoxes?

Q#74General Navigation

Why is twilight duration shortest at the Equator and longest at high latitudes?

Q#75General Navigation

Explain the Maximum Drift Angle formula and the 'Clock-Face' mental drift rule.

Q#76General Navigation

Explain the Double Track Error rule for regaining planned track.

Q#77General Navigation

How does an outbound headwind vs tailwind affect the time and distance to Point of No Return (PNR)?

Q#78General Navigation

Work through a complete PNR numerical problem with numbers.

Q#79General Navigation

Explain the Critical Point (ETP) shift into the wind and solve a sample numerical.

Q#80General Navigation

What is the Altimeter Temperature Correction formula for low ambient temperatures?

Q#81General Navigation

Define Absolute Altitude, True Altitude, Indicated Altitude, and Pressure Altitude.

Q#82General Navigation

Explain the mechanical CRP-5 / E6B Flight Computer navigation slide rule.

Q#83General Navigation

What are Ring Laser Gyros (RLG) and Fiber Optic Gyros (FOG)?

Q#84General Navigation

What is Schuler Tuning and what is the Schuler Period of an Inertial Navigation System?

Q#85General Navigation

Explain the four standard ICAO Search and Rescue (SAR) navigation search patterns.

Q#86General Navigation

What is Required Navigation Performance (RNP) vs Area Navigation (RNAV)?

Q#87General Navigation

Explain Radius-to-Fix (RF) legs in RNP AR approaches.

Q#88General Navigation

Define Grid Navigation and Grivation in Polar regions.

Q#89General Navigation

What is Maximum Range Cruise (MRC) vs Long Range Cruise (LRC)?

Q#90General Navigation

Explain the Navigation Log (Nav Log) and its mandatory flight deck components.

Q#91General Navigation

What is Ground Speed (GS) calculation from distance and time in mental flight math?

Q#92General Navigation

Explain the relationship between True Heading, Magnetic Heading, and Compass Heading.

Q#93General Navigation

What is an Air Distance vs Ground Distance?

Q#94General Navigation

What is the Vertex of a Great Circle and how do you find its properties?

Q#95General Navigation

How do you calculate the Antipodal Position of any point on Earth?

Q#96General Navigation

Summarize the master General Navigation check sheet for DGCA examinations.

Q#97General Navigation

Explain the differences between True Airspeed (TAS), Calibrated Airspeed (CAS), and Equivalent Airspeed (EAS) in navigation.

Q#98General Navigation

What is Ram Temperature Rise (Ram Rise) and Recovery Factor on high-speed airspeed and temperature probes?

Q#99General Navigation

Explain the Cardinal and Quadrantal compass points and their 3-figure angular values.

Q#100General Navigation

What is Drift Angle and how are Port Drift vs Starboard Drift applied to Heading?

Q#101General Navigation

How is Track Made Good (TMG) established between visual fixes?

Q#102General Navigation

What is a Groundspeed Check in visual navigation and how is it calculated?

Q#103General Navigation

Explain the Crab Angle on crosswind landing approaches.

Q#104General Navigation

What is the difference between Wind Velocity reported by ATC vs Upper Wind Prognostic Charts?

Q#105General Navigation

Calculate the Crosswind and Headwind component for Runway 05 (050°) when wind is 080° / 20 kt.

Q#106General Navigation

How do you calculate Fuel Consumption and Flight Endurance in flight planning?

Q#107General Navigation

What is Contingency Fuel and how is it calculated?

Q#108General Navigation

What is Holding Fuel and what is the typical consumption in holding patterns?

Q#109General Navigation

Distinguish between Dead Reckoning (DR) Position, Estimated Position (EP), and Confirmed Fix.

Q#110General Navigation

What is a Visual Checkpoint (Pinpoint) and what features make a superior checkpoint?

Q#111General Navigation

Explain the effect of Headwind vs Tailwind on Aircraft Range vs Aircraft Endurance.

Q#112General Navigation

What is Maximum Endurance Speed vs Maximum Range Speed in piston aircraft?

Q#113General Navigation

What is the Latitude Nut on a mechanical directional gyroscope?

Q#114General Navigation

Explain Great Circle track changes along an East-West flight in the Northern Hemisphere.

Q#115General Navigation

How is Departure distance converted into Change of Longitude?

Q#116General Navigation

Explain the relationship between Rhumb Line Track and Great Circle Track in the Southern Hemisphere.

Q#117General Navigation

What is an Agonic Line and where is it located in India?

Q#118General Navigation

What is the 60-Index on a circular navigation flight computer?

Q#119General Navigation

Explain the safety margins applied to Safe Endurance calculations.

Q#120General Navigation

Summarize the essential General Navigation viva oral formulas for DGCA examinations.

Q#1Radio Navigation & Radar

Explain the architecture of GNSS (Global Navigation Satellite Systems): Space, Control, and User segments. How does satellite trilateration establish a 3D position fix?

Q#2Radio Navigation & Radar

What are GNSS pseudorange errors? Explain Ionospheric delay, Tropospheric delay, Multipath reflections, and Dilution of Precision (DOP).

Q#3Radio Navigation & Radar

Detail GAGAN (GPS Aided GEO Augmented Navigation): India's SBAS architecture, GSAT space segment, ground network, and certified aviation services.

Q#4Radio Navigation & Radar

Compare the three GNSS Augmentation Systems: ABAS (RAIM), SBAS (GAGAN/WAAS/EGNOS), and GBAS (LAAS). Detail their architecture, accuracy, and approach capabilities.

Q#5Radio Navigation & Radar

Explain ABAS and RAIM (Receiver Autonomous Integrity Monitoring). How many satellites are required for Fault Detection (FD) vs Fault Exclusion (FDE)?

Q#6Radio Navigation & Radar

Explain the Instrument Landing System (ILS) Architecture: Localizer, Glideslope, Marker Beacons, and Visual Aids. Detail frequencies and modulation.

Q#7Radio Navigation & Radar

Detail the ILS Localizer: angular course width, coverage sector, full-scale deflection, and the hazards of Back-Course approaches.

Q#8Radio Navigation & Radar

Detail the ILS Glideslope: UHF frequency pairing, beam dimensions, standard 3-degree slope, and the danger of False Glideslopes.

Q#9Radio Navigation & Radar

Explain ILS Marker Beacons: Outer, Middle, and Inner Markers. Detail their frequencies, modulation tones, light colors, and distance from threshold.

Q#10Radio Navigation & Radar

Detail the ICAO ILS Operating Categories (CAT I, II, IIIA, IIIB, IIIC): Decision Heights, RVR minima, and aircraft/ground equipment requirements.

Q#11Radio Navigation & Radar

Explain the Microwave Landing System (MLS): C-band operating frequency, Time-Reference Scanning Beam (TRSB), and curved approach capabilities.

Q#12Radio Navigation & Radar

Explain VHF Direction Finding (VDF). Detail the aeronautical Q-codes (QDM, QDR, QTE, QUJ) and the four classes of VDF bearing accuracy.

Q#13Radio Navigation & Radar

Explain the operating principles of NDB and ADF. Describe the Loop antenna, Sense antenna, and the resulting Cardioid polar diagram.

Q#14Radio Navigation & Radar

Contrast the three ADF Cockpit Displays: Fixed Card, Rotatable Card, and Radio Magnetic Indicator (RMI). Work through a Relative Bearing problem.

Q#15Radio Navigation & Radar

Detail the operational errors of NDB / ADF: Night Effect, Coastal Refraction, Mountain Effect, Quadrantal Error, and Thunderstorm Effect.

Q#16Radio Navigation & Radar

Explain the operating principle of a VHF Omnidirectional Range (VOR): the 30 Hz Reference and Variable phase signals. Contrast CVOR vs DVOR.

Q#17Radio Navigation & Radar

Detail VOR Cockpit Instrumentation: OBS, CDI (Course Deviation Indicator), TO/FROM flag, and the Cone of Confusion.

Q#18Radio Navigation & Radar

Explain Distance Measuring Equipment (DME): UHF interrogation/reply pulses, 63 microsecond delay, and the geometry of Slant Range Error.

Q#19Radio Navigation & Radar

Explain Doppler Radar navigation: Doppler frequency shift formula, the Janus 4-beam array, and autonomous determination of Groundspeed and Drift.

Q#20Radio Navigation & Radar

Detail Airborne Weather Radar: X-band vs C-band, precipitation attenuation, iso-echo contouring, and identifying severe convective hazards.

Q#21Radio Navigation & Radar

Explain Airborne Weather Radar Antenna Tilt Management and Ground Return Elimination. Detail how to scan the Freezing Level.

Q#22Radio Navigation & Radar

Contrast Primary Surveillance Radar (PSR) and Secondary Surveillance Radar (SSR). Explain pulse transmission, frequencies, and target identification.

Q#23Radio Navigation & Radar

Detail SSR Transponder Modes: Mode A, Mode C, and Mode S. Explain the 24-bit ICAO aircraft address and selective interrogation.

Q#24Radio Navigation & Radar

List and explain the International Special Transponder Squawk Codes: 7700, 7600, 7500, 2000, and standard VFR codes.

Q#25Radio Navigation & Radar

Explain ADS-B (Automatic Dependent Surveillance - Broadcast) and ADS-C (Contract). Detail the 1090 MHz Extended Squitter and NextGen surveillance.

Q#26Radio Navigation & Radar

Explain VOR/DME Area Navigation (Rho-Theta RNAV). How does the navigation computer establish 'Phantom Waypoints'?

Q#27Radio Navigation & Radar

Explain Tactical Air Navigation (TACAN) and VORTAC facilities. How do civilian aircraft utilize military TACAN stations?

Q#28Radio Navigation & Radar

Detail the Emergency Locator Transmitter (ELT): frequencies (406 MHz vs 121.5 MHz), COSPAS-SARSAT satellite tracking, and automatic G-switch activation.

Q#29Radio Navigation & Radar

Contrast Precision Approach (PA), Non-Precision Approach (NPA), and Approach with Vertical Guidance (APV). Explain Decision Altitude (DA) vs MDA.

Q#30Radio Navigation & Radar

Explain the geometry of Instrument Holding Patterns: standard turn directions, leg timings, entry sectors, and the Triple Drift wind correction rule.

Q#31Radio Navigation & Radar

Explain the Circling Approach (Visual Maneuvering): protected obstacle clearance areas, aircraft approach categories, and missed approach procedures.

Q#32Radio Navigation & Radar

What is Continuous Descent Final Approach (CDFA)? Contrast it with the legacy 'Dive and Drive' technique. Define Derived Decision Altitude (DDA).

Q#33Radio Navigation & Radar

Explain the components of Total System Error (TSE) in Required Navigation Performance (RNP): Path Definition, Flight Technical, and Navigation System errors.

Q#34Radio Navigation & Radar

Describe Multi-Sensor Flight Management System (FMS) Position Updating: Sensor priority ranking and automatic reversionary logic.

Q#35Radio Navigation & Radar

Review the Aeronautical Radio Frequency Spectrum Allocations (LF, MF, VHF, UHF, SHF) and state the key frequencies used in aviation.

Q#36Radio Navigation & Radar

Detail the Line-of-Sight VHF Range Formula for aircraft communications and VOR beacons. Calculate theoretical reception range at FL300.

Q#37Radio Navigation & Radar

Explain the Radar Equation and how target cross-section and distance affect received primary radar echo power.

Q#38Radio Navigation & Radar

Explain Electronic Flight Bags (EFB) and Moving Map GNSS. Detail the regulations regarding Own-Ship position display.

Q#39Radio Navigation & Radar

Detail the ILS Localizer and Glideslope installation parameters at Kishangarh Airport (VIKG) based on the official eAIP India.

Q#40Radio Navigation & Radar

Summarize the critical formulas and rules of Radio Navigation for DGCA Viva examinations.

Q#41Radio Navigation & Radar

List the Aeronautical Radio Frequency Bands and their exact frequency ranges.

Q#42Radio Navigation & Radar

State the relationship between Radio Frequency, Wavelength, and the Speed of Light.

Q#43Radio Navigation & Radar

State the Line-of-Sight VHF Propagation Range formula for aircraft.

Q#44Radio Navigation & Radar

Explain the four classes of VHF Direction Finding (VDF) bearing accuracy.

Q#45Radio Navigation & Radar

Define the aeronautical Q-codes QDM, QDR, QTE, and QUJ.

Q#46Radio Navigation & Radar

Explain the operating principle of NDB and ADF and the Cardioid polar diagram.

Q#47Radio Navigation & Radar

State the formula relating Relative Bearing, Magnetic Heading, and Magnetic Bearing.

Q#48Radio Navigation & Radar

Detail the five primary operational errors of NDB and ADF.

Q#49Radio Navigation & Radar

Explain VOR operating principles and the difference between CVOR and DVOR.

Q#50Radio Navigation & Radar

Explain VOR Cockpit Instrumentation: OBS, CDI needle, and TO/FROM flag.

Q#51Radio Navigation & Radar

Explain Distance Measuring Equipment (DME) operating frequency and pulse pairing.

Q#52Radio Navigation & Radar

What is DME Slant Range Error and when is it most pronounced?

Q#53Radio Navigation & Radar

Explain the Instrument Landing System (ILS) Localizer: frequencies, modulation, course width, and coverage sector.

Q#54Radio Navigation & Radar

Explain the ILS Glideslope: frequency band, angle, beam dimensions, and False Glideslopes.

Q#55Radio Navigation & Radar

Compare the three ILS Marker Beacons: Outer, Middle, and Inner Markers.

Q#56Radio Navigation & Radar

Detail the ICAO ILS Operating Categories (CAT I, II, IIIA, IIIB, IIIC).

Q#57Radio Navigation & Radar

Explain the Microwave Landing System (MLS) and its advantages over ILS.

Q#58Radio Navigation & Radar

Explain Global Navigation Satellite System (GNSS) architecture: Space, Control, and User segments.

Q#59Radio Navigation & Radar

What is RAIM (Receiver Autonomous Integrity Monitoring) and how many satellites are required?

Q#60Radio Navigation & Radar

Detail GAGAN (GPS Aided GEO Augmented Navigation): Architecture and operational capabilities in India.

Q#61Radio Navigation & Radar

Contrast Primary Surveillance Radar (PSR) and Secondary Surveillance Radar (SSR).

Q#62Radio Navigation & Radar

Detail SSR Transponder Modes: Mode A, Mode C, and Mode S.

Q#63Radio Navigation & Radar

Explain Traffic Alert and Collision Avoidance System (TCAS II / ACAS): Tau, TA, and RA.

Q#64Radio Navigation & Radar

Explain Airborne Weather Radar (AWR): Frequencies, Iso-echo contouring, and attenuation.

Q#65Radio Navigation & Radar

Summarize the master Radio Navigation viva formulas for DGCA examinations.

Q#66Radio Navigation & Radar

What is the difference between CVOR and DVOR radiated signal spectrum?

Q#67Radio Navigation & Radar

Explain VOR Cone of Confusion (Cone of Ambiguity).

Q#68Radio Navigation & Radar

What is an ILS Back Course approach and why is it dangerous in light aircraft?

Q#69Radio Navigation & Radar

What is an ILS Critical Area vs Sensitive Area?

Q#70Radio Navigation & Radar

What is ILS Localizer Course Scalloping and Beam Bends?

Q#71Radio Navigation & Radar

Explain the differences between ABAS, SBAS, and GBAS augmentation systems.

Q#72Radio Navigation & Radar

What is the Geometric Dilution of Precision (GDOP) in satellite navigation?

Q#73Radio Navigation & Radar

Explain the difference between ADS-B Out and ADS-B In.

Q#74Radio Navigation & Radar

What is a 'Ghost' or 'Phantom' Waypoint in Rho-Theta RNAV?

Q#75Radio Navigation & Radar

What is an Emergency Locator Transmitter (ELT) and what frequencies does it transmit on?

Q#76Radio Navigation & Radar

Explain the Radar Pulse Repetition Frequency (PRF) and Maximum Unambiguous Range.

Q#77Radio Navigation & Radar

Explain the Radar Pulse Length and Minimum Detection Range.

Q#78Radio Navigation & Radar

What is an RMI (Radio Magnetic Indicator) and how does it combine Heading, VOR, and ADF?

Q#79Radio Navigation & Radar

Explain the difference between Precision Approach (PA) and Non-Precision Approach (NPA).

Q#80Radio Navigation & Radar

What is Continuous Descent Final Approach (CDFA) and Derived Decision Altitude (DDA)?

Q#81Radio Navigation & Radar

What is Total System Error (TSE) in RNP navigation and what are its three components?

Q#82Radio Navigation & Radar

Explain Multi-Sensor FMS Position Updating and the sensor hierarchy.

Q#83Radio Navigation & Radar

Summarize the master Radio Navigation viva formulas and rules for DGCA examinations.

Q#84Radio Navigation & Radar

Explain Polarization of radio waves: Horizontal, Vertical, and Circular.

Q#85Radio Navigation & Radar

Explain Attenuation of radio waves: Inverse-Square Law and Atmospheric Absorption.

Q#86Radio Navigation & Radar

What is Fading of radio signals and what causes it?

Q#87Radio Navigation & Radar

Explain Skywave propagation and the ionospheric layers (D, E, F1, F2).

Q#88Radio Navigation & Radar

What are Critical Frequency and Maximum Usable Frequency (MUF)?

Q#89Radio Navigation & Radar

What are Skip Distance, Skip Zone, and Dead Space in HF communications?

Q#90Radio Navigation & Radar

Explain the Doppler Frequency Shift formula and its aviation applications.

Q#91Radio Navigation & Radar

How does Airborne Doppler Radar calculate Groundspeed and Drift autonomously?

Q#92Radio Navigation & Radar

What is an NDB Beat Frequency Oscillator (BFO) and when must it be turned on?

Q#93Radio Navigation & Radar

Distinguish between Homing and Tracking an NDB station.

Q#94Radio Navigation & Radar

What is VOR Course Width at 60 Nautical Miles from the station?

Q#95Radio Navigation & Radar

Explain the angular sensitivity difference between VOR and ILS Localizer.

Q#96Radio Navigation & Radar

Explain ILS Glideslope beam thickness and vertical sensitivity.

Q#97Radio Navigation & Radar

What is NavIC (Navigation with Indian Constellation / IRNSS)?

Q#98Radio Navigation & Radar

Explain Primary Radar Pulse Width and Range Resolution.

Q#99Radio Navigation & Radar

Explain Primary Radar Beamwidth and Azimuth (Bearing) Resolution.

Q#100Radio Navigation & Radar

What is Moving Target Indication (MTI) on Primary Surveillance Radar?

Q#101Radio Navigation & Radar

What are SSR Fruit and Garbling?

Q#102Radio Navigation & Radar

Explain TCAS II Sensitivity Levels (SL 1 to 7).

Q#103Radio Navigation & Radar

What is a TCAS Reversal Advisory and how must pilots respond?

Q#104Radio Navigation & Radar

Explain Weather Radar Antenna Tilt Management during Climb, Cruise, and Descent.

Q#105Radio Navigation & Radar

What are a Weather Radar Hook Echo and Vault (Weak Echo Region)?

Q#106Radio Navigation & Radar

What is Ground-Based Augmentation System (GBAS / GLS)?

Q#107Radio Navigation & Radar

Explain the difference between LNAV, LNAV/VNAV, and LPV instrument approaches.

Q#108Radio Navigation & Radar

Summarize the master Radio Navigation formulas and rules of thumb for DGCA examinations.

Q#109Radio Navigation & Radar

What is DME X-Channel vs Y-Channel pulse spacing?

Q#110Radio Navigation & Radar

Explain the DME Interrogator Search Mode vs Track Mode.

Q#111Radio Navigation & Radar

What is Difference in Depth of Modulation (DDM) on an ILS Localizer?

Q#112Radio Navigation & Radar

Explain ILS Marker Beacon audio modulation frequencies and cockpit annunciators.

Q#113Radio Navigation & Radar

Explain GNSS Code-Phase Tracking vs Carrier-Phase Tracking.

Q#114Radio Navigation & Radar

What is an SSR Mode S All-Call vs Roll-Call Interrogation?

Q#115Radio Navigation & Radar

What are the TCAS II Pilot Avoidance Maneuver reaction time requirements?

Q#116Radio Navigation & Radar

Explain the components of an ILS Ground Station installation.

Q#117Radio Navigation & Radar

What is an Instrument Holding Pattern: standard turn direction, leg timings, and entry procedures?

Q#118Radio Navigation & Radar

Explain the Triple Drift Rule in an Instrument Holding Pattern.

Q#119Radio Navigation & Radar

What is an Airway and what are Minimum En-route Altitude (MEA) and Minimum Obstacle Clearance Altitude (MOCA)?

Q#120Radio Navigation & Radar

Summarize the critical Radio Navigation check sheet for DGCA examinations.

Q#1Flight Instruments & Avionics

Explain the architecture of the aircraft Pitot-Static System. Detail the pressures sensed by the Pitot Tube and Static Port.

Q#2Flight Instruments & Avionics

Detail the symptoms of Pitot Tube Blockages: Drain Hole Open vs Drain Hole Blocked. Why does the Airspeed Indicator act as an Altimeter?

Q#3Flight Instruments & Avionics

Detail the symptoms of Static Port Blockages across the Altimeter, VSI, and Airspeed Indicator. Explain how the Alternate Static Source operates.

Q#4Flight Instruments & Avionics

Explain the mechanism of the Airspeed Indicator (ASI), its differential pressure capsule, and the aviation color-coded arcs and V-speeds.

Q#5Flight Instruments & Avionics

Explain the mechanism of the Sensitive Altimeter: the evacuated aneroid capsule, Kollsman subscale window, and barometric lag.

Q#6Flight Instruments & Avionics

Explain the mechanism of the Vertical Speed Indicator (VSI) and Instantaneous VSI (IVSI). Why does a standard VSI have a 6 to 9 second lag?

Q#7Flight Instruments & Avionics

Explain the Machmeter: operating principle, ratio of dynamic to static pressure (q/Ps), and why it has no density or temperature errors.

Q#8Flight Instruments & Avionics

Detail Local Speed of Sound (LSS) calculations. Explain why LSS depends SOLELY on air temperature, and calculate LSS at Sea Level vs the Tropopause.

Q#9Flight Instruments & Avionics

Define Critical Mach (Mcrit), Mach Tuck, and Coffin Corner. Explain the aerodynamic purpose of the Mach Warning Horn.

Q#10Flight Instruments & Avionics

Explain the Air Data Computer (ADC / ADCs): input sensors, digital processing, and output distribution across cockpit EFIS and autopilot.

Q#11Flight Instruments & Avionics

Explain the fundamental properties of a Gyroscope: Rigidity in Space and Gyroscopic Precession. Detail the mathematical angular momentum relation.

Q#12Flight Instruments & Avionics

Explain Gyroscopic Wander: Real Wander vs Apparent Drift. State the Earth Rate Drift formula and calculate drift at 30 degrees latitude.

Q#13Flight Instruments & Avionics

Explain the Attitude Indicator (Artificial Horizon): Earth gyro, pendulous vane erection mechanism, acceleration and turn errors.

Q#14Flight Instruments & Avionics

Contrast the Turn and Slip Indicator vs the Turn Coordinator. Explain why the Turn Coordinator gyro is canted at 30 degrees.

Q#15Flight Instruments & Avionics

Explain the Slaved Gyro Flux Gate Compass: the Wingtip Flux Valve, error-free magnetic heading, and elimination of turning errors.

Q#16Flight Instruments & Avionics

Detail the Radio Altimeter (Rad Alt): operating frequency (SHF FMCW), beat frequency measurement, and Cat II/III autoland integration.

Q#17Flight Instruments & Avionics

Explain Inertial Navigation Systems (INS) and Inertial Reference Systems (IRS): Gimballed vs Strapdown architectures and the accelerometer integration process.

Q#18Flight Instruments & Avionics

Explain the Ring Laser Gyro (RLG): the Sagnac Effect, optical path interference, and the Laser Lock-In dither motor.

Q#19Flight Instruments & Avionics

Detail Schuler Tuning: why an inertial platform behaves like an 84.4-minute pendulum, and how it eliminates aircraft acceleration errors.

Q#20Flight Instruments & Avionics

Explain the IRS Alignment Process on the ground: Leveling, Gyrocompassing to find True North, and latitude sanity checks.

Q#21Flight Instruments & Avionics

Explain the Air Data Inertial Reference Unit (ADIRU) and Hybrid GPS/Inertial Navigation. How does Kalman filtering combine IRS and GPS data?

Q#22Flight Instruments & Avionics

Explain the evolution of Ground Proximity Warning Systems: Legacy GPWS vs Enhanced GPWS / TAWS (Terrain Awareness and Warning System).

Q#23Flight Instruments & Avionics

Detail EGPWS / TAWS Mode 1: Excessive Descent Rate. Explain the caution boundary, warning boundary, and pilot response.

Q#24Flight Instruments & Avionics

Detail EGPWS / TAWS Mode 2: Excessive Terrain Closure Rate. Contrast Mode 2A vs Mode 2B.

Q#25Flight Instruments & Avionics

Detail EGPWS / TAWS Mode 3: Altitude Loss After Takeoff or Go-Around. Explain why it triggers 'DON'T SINK'.

Q#26Flight Instruments & Avionics

Detail EGPWS / TAWS Mode 4: Unsafe Terrain Clearance in Non-Landing Configuration. Contrast Modes 4A, 4B, and 4C.

Q#27Flight Instruments & Avionics

Detail EGPWS / TAWS Mode 5: Excessive Glideslope Deviation. Explain the soft vs hard alert levels and the Glideslope Inhibit switch.

Q#28Flight Instruments & Avionics

Detail EGPWS / TAWS Mode 6: Advisory Altitude Callouts and Bank Angle Protection. State typical airline touchdown callout schedules.

Q#29Flight Instruments & Avionics

Detail EGPWS / TAWS Mode 7: Reactive Windshear Detection. Contrast Increasing Performance vs Decreasing Performance windshear alerts.

Q#30Flight Instruments & Avionics

Explain Proactive TAWS Features: Forward-Looking Terrain Avoidance (FLTA), Premature Descent Alert (PDA), and Cockpit Terrain Display color coding.

Q#31Flight Instruments & Avionics

Explain the architecture of the Traffic Alert and Collision Avoidance System (TCAS II Version 7.1). How does it use the Tau parameter to predict collisions?

Q#32Flight Instruments & Avionics

Contrast TCAS II Alerts: Traffic Advisory (TA) vs Resolution Advisory (RA). Detail tau thresholds, cockpit symbols, and voice callouts.

Q#33Flight Instruments & Avionics

Explain Coordinated TCAS Resolution Advisories and the legal priority of an RA over conflicting ATC instructions.

Q#34Flight Instruments & Avionics

Detail the Electronic Flight Instrument System (EFIS): Primary Flight Display (PFD) symbology, speed trends, and Multi-Function Display (MFD) modes.

Q#35Flight Instruments & Avionics

Explain the Flight Management System (FMS / FMC): navigation database, performance database, LNAV, and VNAV functions.

Q#36Flight Instruments & Avionics

Explain the Garmin G1000 NXi avionics suite on the PA-28-181 Archer III DX: GIA 64W, GRS 79 AHRS, GDC 72 ADC, and GEA 71 engine interface.

Q#37Flight Instruments & Avionics

Explain Engine Indication and Crew Alerting Systems (EICAS / ECAM): sensor centralization, alert color hierarchy, and electronic synoptics.

Q#38Flight Instruments & Avionics

Explain Head-Up Display (HUD) and Enhanced Flight Vision Systems (EFVS): collimated optics, Flight Path Vector (FPV), and low-visibility credits.

Q#39Flight Instruments & Avionics

Detail the Flight Data Recorder (FDR) and Cockpit Voice Recorder (CVR): crash survivability standards, recording parameters, and the Underwater Locator Beacon (ULB).

Q#40Flight Instruments & Avionics

Summarize the critical formulas and operating rules of Flight Instruments and Avionics for DGCA Viva examinations.

Q#41Flight Instruments & Avionics

What are the colored arcs and speed markings on an Airspeed Indicator (ASI)?

Q#42Flight Instruments & Avionics

Define Maneuvering Speed ($V_A$) and explain why it decreases as aircraft weight decreases.

Q#43Flight Instruments & Avionics

Detail the critical operational V-speeds every pilot must memorize for oral examinations.

Q#44Flight Instruments & Avionics

Explain the errors of an Airspeed Indicator: Instrument, Position, Density, and Compressibility.

Q#45Flight Instruments & Avionics

Explain the Square Law relationship in the Airspeed Indicator and how it is mechanically compensated.

Q#46Flight Instruments & Avionics

Detail the construction of a sensitive Pressure Altimeter and the function of the Kollsman window.

Q#47Flight Instruments & Avionics

Explain Altimeter Pressure Settings: QNH, QFE, QNE, and Standard Altimeter Setting.

Q#48Flight Instruments & Avionics

Explain Altimeter Temperature Error and state the practical formula for True Altitude.

Q#49Flight Instruments & Avionics

Explain Altimeter Mechanical and Operating Errors: Hysteresis, Lag, and Barometric Pressure Error.

Q#50Flight Instruments & Avionics

Explain the Instantaneous Vertical Speed Indicator (IVSI) and its turning error.

Q#51Flight Instruments & Avionics

Explain the Machmeter capsule design and why it requires no temperature or density calibration.

Q#52Flight Instruments & Avionics

Explain the Direct-Reading Magnetic Compass: physical design, fluid, and jewel pivot.

Q#53Flight Instruments & Avionics

Explain Magnetic Compass Acceleration Errors in the Northern Hemisphere (ANDS).

Q#54Flight Instruments & Avionics

Explain Magnetic Compass Turning Errors in the Northern Hemisphere (UNOS).

Q#55Flight Instruments & Avionics

What is Compass Deviation, how is a Compass Swing performed, and what is the Deviation Card?

Q#56Flight Instruments & Avionics

Explain the two fundamental properties of a Gyroscope: Rigidity in Space and Gyroscopic Precession.

Q#57Flight Instruments & Avionics

Explain the Directional Gyro / Direction Indicator (DI) and why it must be reset periodically.

Q#58Flight Instruments & Avionics

Detail the Earth Rate Drift formula and calculate gyro apparent drift at 30° North latitude.

Q#59Flight Instruments & Avionics

Explain the Attitude Indicator (Artificial Horizon) erection mechanism: Pendulous Vanes.

Q#60Flight Instruments & Avionics

Explain the Vacuum System powering mechanical gyroscopic instruments: pump, regulator, and gauge.

Q#61Flight Instruments & Avionics

Contrast a Rate Gyro (1 Degree of Freedom) vs a Displacement Gyro (2 Degrees of Freedom).

Q#62Flight Instruments & Avionics

Explain the Slaved Gyro Flux Gate Compass: Flux Valve, Slaving Amplifier, and HSI.

Q#63Flight Instruments & Avionics

Explain the Primary Flight Display (PFD) 'Basic T' layout and modern glass cockpit symbology.

Q#64Flight Instruments & Avionics

Explain the Engine Indication System (EIS) on the Garmin G1000 NXi in the PA-28 Archer.

Q#65Flight Instruments & Avionics

Explain the Thermocouple principle (Seebeck Effect) used in CHT and EGT gauges.

Q#66Flight Instruments & Avionics

Explain Fuel Quantity Measurement: Float-Type Resistance vs Capacitance-Type Gauges.

Q#67Flight Instruments & Avionics

Explain the Bourdon Tube mechanism used in Engine Oil Pressure and Hydraulic Gauges.

Q#68Flight Instruments & Avionics

Explain the Manifold Absolute Pressure (MAP) Gauge: mechanism and non-running engine reading.

Q#69Flight Instruments & Avionics

Explain Tachometer / RPM Indicator types: Mechanical Centrifugal vs Magnetic Drag vs Electronic Pulse.

Q#70Flight Instruments & Avionics

Explain the Stall Warning System: Flapper Switch, Lift Transducer, and Reed Horn.

Q#71Flight Instruments & Avionics

Detail the Stick Shaker and Stick Pusher systems in transport category aircraft.

Q#72Flight Instruments & Avionics

Explain the Angle of Attack (AoA) Indicator and its advantages over the Airspeed Indicator.

Q#73Flight Instruments & Avionics

Detail the Flight Director (FD): Single-Cue vs Dual-Cue Crossbars and its relationship to the Autopilot.

Q#74Flight Instruments & Avionics

Detail modern Autopilot Modes: Pitch/Roll Hold, HDG, ALT, VS, FLC / IAS, and Approach (APP).

Q#75Flight Instruments & Avionics

Explain the Autopilot Servo Motor Slip Clutch and the Autopilot Runaway emergency procedure.

Q#76Flight Instruments & Avionics

Explain the Yaw Damper: Dutch roll suppression and coordination without pilot rudder input.

Q#77Flight Instruments & Avionics

Explain the Mach Trim System: Mach tuck counteraction at transonic speeds.

Q#78Flight Instruments & Avionics

Explain the Electronic Horizontal Situation Indicator (EHSI) and its bearing pointer display modes.

Q#79Flight Instruments & Avionics

Explain the Standby Instrument System: Electronic Standby Instrument System (ESIS) and backup power.

Q#80Flight Instruments & Avionics

Detail the Radio Altimeter Decision Height (DH) Bug and cockpit audio/visual alert operation.

Q#81Flight Instruments & Avionics

Detail modern TCAS II Version 7.1 alerting logic: Tau formula and aurals for RA reversals.

Q#82Flight Instruments & Avionics

Explain the Forward-Looking Terrain Avoidance (FLTA) function in modern TAWS / EGPWS.

Q#83Flight Instruments & Avionics

Explain the Weather Radar Display: Tilt Management, Calibration, and Ground Clutter Suppression.

Q#84Flight Instruments & Avionics

Explain the Radar Shadow / Radar Attenuation phenomenon and its danger in flight.

Q#85Flight Instruments & Avionics

Explain the Flight Management System (FMS) Cost Index (CI) and its influence on cruise performance.

Q#86Flight Instruments & Avionics

Explain Fly-By Waypoints vs Fly-Over Waypoints in RNAV / FMS navigation.

Q#87Flight Instruments & Avionics

Explain Top of Descent (TOD) calculation and the 3:1 Rule of Thumb for descents.

Q#88Flight Instruments & Avionics

Detail the Electronic Flight Bag (EFB): Hardware Classes and Software Types.

Q#89Flight Instruments & Avionics

Explain the Head-Up Display (HUD) and Enhanced Flight Vision System (EFVS).

Q#90Flight Instruments & Avionics

Explain Pitot Heat: operating principle, cockpit indication, and ground test caution.

Q#91Flight Instruments & Avionics

Explain Static Port design and the purpose of paired static vents on opposite sides of the fuselage.

Q#92Flight Instruments & Avionics

What is an Air Data Inertial Reference System (ADIRS) and how does it prevent catastrophic instrumentation loss?

Q#93Flight Instruments & Avionics

Explain the Ring Laser Gyro (RLG) and the Sagnac Effect used in modern inertial reference systems.

Q#94Flight Instruments & Avionics

Explain the Fiber Optic Gyro (FOG) and how it compares to the Ring Laser Gyro (RLG).

Q#95Flight Instruments & Avionics

Explain the Magnetometer (Flux Valve) calibration process: 'Compass Swing' in glass cockpits.

Q#96Flight Instruments & Avionics

Explain the Engine Oil Temperature Gauge: Ratiometer vs Wheatstone Bridge.

Q#97Flight Instruments & Avionics

Explain the Centralized Crew Alerting System (CAS) message hierarchy: Warning, Caution, Advisory.

Q#98Flight Instruments & Avionics

Explain the Fuel Flow Indicator: Differential Pressure vs Turbine Impeller.

Q#99Flight Instruments & Avionics

Detail the construction and purpose of the Emergency Locator Transmitter (ELT 406 MHz).

Q#100Flight Instruments & Avionics

Explain the Transponder Altitude Encoder (Blind Encoder): Gray Code vs ARINC 429.

Q#101Flight Instruments & Avionics

Detail ADS-B Out and ADS-B In: operating frequency and avionics components.

Q#102Flight Instruments & Avionics

Explain the Hydraulic Pressure Indicator and Low Pressure Warning System.

Q#103Flight Instruments & Avionics

Explain the Cockpit Annunciator Panel / Master Warning Test Switch procedure.

Q#104Flight Instruments & Avionics

Detail the Centralized Aircraft Maintenance Computer (BITE - Built-In Test Equipment).

Q#105Flight Instruments & Avionics

Explain the De-Ice Pressure and Ammeter Gauges: Pneumatic Boots vs Electrically Heated Props.

Q#106Flight Instruments & Avionics

Explain the G-Meter (Accelerometer): operational purpose and telltale needle markers.

Q#107Flight Instruments & Avionics

Explain Carbon Monoxide (CO) Cockpit Detectors: chemical spot vs electronic sensor.

Q#108Flight Instruments & Avionics

Explain the Master Avionics Switch and Why It Must Be OFF During Engine Start.

Q#109Flight Instruments & Avionics

Detail the Emergency Gear Extension System in Retractable Gear Aircraft.

Q#110Flight Instruments & Avionics

Explain Synthetic Vision Technology (SVT) on modern glass cockpit Primary Flight Displays.

Q#111Flight Instruments & Avionics

Explain the Static Wick (Discharger) System: purpose, placement, and pre-flight inspection.

Q#112Flight Instruments & Avionics

Explain the Exhaust Gas Temperature (EGT) Leaning Procedure for naturally aspirated piston engines.

Q#113Flight Instruments & Avionics

Explain the Cylinder Head Temperature (CHT) Limits and Thermal Shock prevention during descent.

Q#114Flight Instruments & Avionics

Explain the Magnetic Dip phenomenon and the design feature used to counteract it in compasses.

Q#115Flight Instruments & Avionics

Detail the Pressure Altitude formula and calculate Pressure Altitude for 2,000 ft elevation with QNH 1003 hPa.

Q#116Flight Instruments & Avionics

Detail the Density Altitude formula and explain why it is the true measure of aircraft aerodynamic performance.

Q#117Flight Instruments & Avionics

Explain the Critical Engine concept in multi-engine aircraft instruments and aerodynamics.

Q#118Flight Instruments & Avionics

Explain the Minimum Controllable Airspeed ($V_{MCA}$) and its relationship to single-engine flight.

Q#119Flight Instruments & Avionics

Explain the Operation of the MT-Propeller Governor and Feathering System on the PA-28 Archer DX.

Q#120Flight Instruments & Avionics

Explain the FADEC (Full Authority Digital Engine Control) Architecture and Backup Battery in the Archer DX.

Q#121Flight Instruments & Avionics

Explain the Ground Proximity Warning System (GPWS) Envelope Modulation.

Q#122Flight Instruments & Avionics

Explain the Primary Radar vs Secondary Surveillance Radar (SSR) displayed on modern ATM screens.

Q#123Flight Instruments & Avionics

Detail the Master Flight Instruments and Avionics Oral Viva Check Sheet for DGCA Examinations.

Q#1Principles of FlightSection 1: Basic Physics & Atmosphere

What is air density and how does temperature affect it?

Q#2Principles of FlightSection 1: Basic Physics & Atmosphere

How do pressure and humidity affect air density?

Q#3Principles of FlightSection 1: Basic Physics & Atmosphere

State Boyle's Law and Charles's Law.

Q#4Principles of FlightSection 1: Basic Physics & Atmosphere

State Pascal's Law and its aviation application.

Q#5Principles of FlightSection 1: Basic Physics & Atmosphere

Define Static Pressure, Dynamic Pressure, and Total Pressure.

Q#6Principles of FlightSection 1: Basic Physics & Atmosphere

State Bernoulli’s Theorem.

Q#7Principles of FlightSection 1: Basic Physics & Atmosphere

How does Bernoulli's theorem explain lift generation?

Q#8Principles of FlightSection 2: Airspeeds & Measurements

What is Indicated Airspeed (IAS) and Calibrated Airspeed (CAS / RAS)?

Q#9Principles of FlightSection 2: Airspeeds & Measurements

What is Equivalent Airspeed (EAS)?

Q#10Principles of FlightSection 2: Airspeeds & Measurements

What is True Airspeed (TAS) and Ground Speed (GS)?

Q#11Principles of FlightSection 2: Airspeeds & Measurements

Summarize the complete Airspeed Hierarchy from IAS to GS.

Q#12Principles of FlightSection 2: Airspeeds & Measurements

What is Mach Number and how does temperature affect the Local Speed of Sound?

Q#13Principles of FlightSection 3: Aerofoil Geometry & Terminology

What is an aerofoil and what is the Chord Line?

Q#14Principles of FlightSection 3: Aerofoil Geometry & Terminology

Define Camber Line and Maximum Thickness.

Q#15Principles of FlightSection 3: Aerofoil Geometry & Terminology

Contrast a Symmetrical Aerofoil vs a Cambered Aerofoil.

Q#16Principles of FlightSection 3: Aerofoil Geometry & Terminology

What is Aspect Ratio and how does it influence induced drag?

Q#17Principles of FlightSection 3: Aerofoil Geometry & Terminology

What is Fineness Ratio and Taper Ratio?

Q#18Principles of FlightSection 3: Aerofoil Geometry & Terminology

What is Dihedral and Anhedral? Illustrate with a front-view alignment diagram.

Q#19Principles of FlightSection 3: Aerofoil Geometry & Terminology

Why do high-wing transport aircraft and swept-wing jets use Anhedral?

Q#20Principles of FlightSection 3: Aerofoil Geometry & Terminology

What is Angle of Incidence (AOI) vs Angle of Attack (AoA)? Illustrate the difference.

Q#21Principles of FlightSection 3: Aerofoil Geometry & Terminology

Define Relative Airflow (RAF) and Angle of Attack (AoA).

Q#22Principles of FlightSection 3: Aerofoil Geometry & Terminology

Explain Effective Airflow, Effective AoA, and Induced AoA with an aerodynamic diagram.

Q#23Principles of FlightSection 3: Aerofoil Geometry & Terminology

What is Upwash and Downwash?

Q#24Principles of FlightSection 3: Aerofoil Geometry & Terminology

Contrast Turbulent Airflow vs Laminar Airflow.

Q#25Principles of FlightSection 3: Aerofoil Geometry & Terminology

What is the Aerodynamic Center (AC)?

Q#26Principles of FlightSection 3: Aerofoil Geometry & Terminology

What is the Center of Pressure (CP) and how does it move with increasing AoA?

Q#27Principles of FlightSection 3: Aerofoil Geometry & Terminology

What is the Mean Aerodynamic Chord (MAC)?

Q#28Principles of FlightSection 4: Forces, Lift & Drag

What are the four forces acting on an aircraft in steady level flight?

Q#29Principles of FlightSection 4: Forces, Lift & Drag

What are the aircraft's three rotational axes and their primary flight controls?

Q#30Principles of FlightSection 4: Forces, Lift & Drag

What physical mechanisms generate aerodynamic lift?

Q#31Principles of FlightSection 4: Forces, Lift & Drag

How does Indicated Airspeed (IAS) influence lift generation?

Q#32Principles of FlightSection 4: Forces, Lift & Drag

What is Parasite Drag and how does it change with airspeed?

Q#33Principles of FlightSection 4: Forces, Lift & Drag

What is Induced Drag and how does it change with airspeed?

Q#34Principles of FlightSection 4: Forces, Lift & Drag

What is Total Drag and where does Minimum Drag Speed (Vmd) occur?

Q#35Principles of FlightSection 4: Forces, Lift & Drag

What is L/D max and when is it achieved?

Q#36Principles of FlightSection 4: Forces, Lift & Drag

How does Aspect Ratio affect induced drag?

Q#37Principles of FlightSection 4: Forces, Lift & Drag

What are wingtip vortices and wake turbulence?

Q#38Principles of FlightSection 4: Forces, Lift & Drag

What is Ground Effect and how does it affect flight?

Q#39Principles of FlightSection 4: Forces, Lift & Drag

State the mathematical formulas for aerodynamic Lift and Drag.

Q#40Principles of FlightSection 4: Forces, Lift & Drag

What is a pitching moment, and do symmetrical/cambered aerofoils produce it at 0° AoA?

Q#41Principles of FlightSection 5: Stalls & High Lift Devices

What is an aerodynamic stall and what causes it?

Q#42Principles of FlightSection 5: Stalls & High Lift Devices

How do Aircraft Weight and Bank Angle affect stall speed?

Q#43Principles of FlightSection 5: Stalls & High Lift Devices

How do Altitude and Engine Power affect stall speed? Illustrate the CL vs AoA power effect curve.

Q#44Principles of FlightSection 5: Stalls & High Lift Devices

What is an accelerated stall?

Q#45Principles of FlightSection 5: Stalls & High Lift Devices

What is a shock stall and a deep stall (super stall)?

Q#46Principles of FlightSection 5: Stalls & High Lift Devices

What is wing washout and why is it used?

Q#47Principles of FlightSection 5: Stalls & High Lift Devices

What are stall strips and wing fences?

Q#48Principles of FlightSection 5: Stalls & High Lift Devices

What are vortex generators?

Q#49Principles of FlightSection 5: Stalls & High Lift Devices

What is a stick shaker and a stick pusher?

Q#50Principles of FlightSection 5: Stalls & High Lift Devices

What is an aerodynamic spin and what conditions cause it?

Q#51Principles of FlightSection 5: Stalls & High Lift Devices

What is the standard spin recovery procedure (PARE)?

Q#52Principles of FlightSection 5: Stalls & High Lift Devices

What is the primary purpose of wing flaps?

Q#53Principles of FlightSection 5: Stalls & High Lift Devices

Name 4 types of trailing edge flaps and state which flap increases wing area.

Q#54Principles of FlightSection 5: Stalls & High Lift Devices

What are slats and how do they differ from slots?

Q#55Principles of FlightSection 5: Stalls & High Lift Devices

What is the normal sequence of operation for slats and flaps?

Q#56Principles of FlightSection 5: Stalls & High Lift Devices

Distinguish between aerodynamic Buffeting and aeroelastic Flutter.

Q#57Principles of FlightSection 6: Flight Mechanics

How do forces balance in steady level flight, steady climb, and steady descent?

Q#58Principles of FlightSection 6: Flight Mechanics

In a level turn, what provides the turning force and how is Load Factor calculated?

Q#59Principles of FlightSection 6: Flight Mechanics

What happens to stall speed in a 60-degree level turn?

Q#60Principles of FlightSection 6: Flight Mechanics

What defines Rate of Turn and Radius of Turn?

Q#61Principles of FlightSection 6: Flight Mechanics

How does True Airspeed (TAS) affect turn radius and rate of turn?

Q#62Principles of FlightSection 6: Flight Mechanics

What is Absolute Ceiling vs Service Ceiling?

Q#63Principles of FlightSection 6: Flight Mechanics

What is Maximum Range Speed vs Maximum Endurance Speed in piston aircraft?

Q#64Principles of FlightSection 7: Stability & Dynamics

Distinguish between Static Stability and Dynamic Stability.

Q#65Principles of FlightSection 7: Stability & Dynamics

What provides Longitudinal Stability? Illustrate the Cm vs AoA (α) stability curve.

Q#66Principles of FlightSection 7: Stability & Dynamics

What provides Directional and Lateral Stability? Illustrate the Cn vs β and Cl vs β stability graphs.

Q#67Principles of FlightSection 7: Stability & Dynamics

What is the Neutral Point and Static Margin?

Q#68Principles of FlightSection 7: Stability & Dynamics

What is a Phugoid oscillation?

Q#69Principles of FlightSection 7: Stability & Dynamics

What is a Short-Period pitch oscillation?

Q#70Principles of FlightSection 7: Stability & Dynamics

What is Pilot Induced Oscillation (PIO) and how is it recovered?

Q#71Principles of FlightSection 7: Stability & Dynamics

What is Spiral Divergence and what causes it?

Q#72Principles of FlightSection 7: Stability & Dynamics

What is Dutch Roll and what system counters it?

Q#73Principles of FlightSection 8: Flight Controls

What are the primary flight controls and what do they control?

Q#74Principles of FlightSection 8: Flight Controls

What is adverse yaw and what causes it?

Q#75Principles of FlightSection 8: Flight Controls

How do Differential Ailerons and Frise Ailerons fix adverse yaw?

Q#76Principles of FlightSection 8: Flight Controls

What are roll control spoilers?

Q#77Principles of FlightSection 8: Flight Controls

What are speedbrakes and ground spoilers?

Q#78Principles of FlightSection 8: Flight Controls

What is aerodynamic balance on control surfaces?

Q#79Principles of FlightSection 8: Flight Controls

What is a horn balance?

Q#80Principles of FlightSection 8: Flight Controls

What is mass balance and why is it used?

Q#81Principles of FlightSection 8: Flight Controls

What is a trim tab and which way does it move?

Q#82Principles of FlightSection 8: Flight Controls

What is a servo tab vs an anti-balance (anti-servo) tab?

Q#83Principles of FlightSection 8: Flight Controls

What is a stabilator?

Q#84Principles of FlightSection 8: Flight Controls

What is fly-by-wire?

Q#85Principles of FlightSection 9: High-Speed Aerodynamics

Define the speed of sound and high-speed flight regimes.

Q#86Principles of FlightSection 9: High-Speed Aerodynamics

What is Critical Mach Number (Mcrit) and what happens at Mcrit?

Q#87Principles of FlightSection 9: High-Speed Aerodynamics

What is wave drag?

Q#88Principles of FlightSection 9: High-Speed Aerodynamics

How does wing sweepback delay compressibility?

Q#89Principles of FlightSection 9: High-Speed Aerodynamics

What is a supercritical aerofoil?

Q#90Principles of FlightSection 9: High-Speed Aerodynamics

What is a normal shockwave and what flow changes occur across it?

Q#91Principles of FlightSection 9: High-Speed Aerodynamics

What is an oblique shockwave and a bow wave?

Q#92Principles of FlightSection 9: High-Speed Aerodynamics

What is the Coffin Corner?

Q#93Principles of FlightSection 9: High-Speed Aerodynamics

What is Mach Tuck and what does a Mach Trim system do?

Q#94Principles of FlightSection 9: High-Speed Aerodynamics

What does a yaw damper do?

Q#95Principles of FlightSection 9: High-Speed Aerodynamics

What is the Mach Cone?

Q#96Principles of FlightSection 9: High-Speed Aerodynamics

What causes a sonic bang?

Q#97Principles of FlightSection 10: Multi-Engine & Asymmetric Flight

What is the Critical Engine and why is the Left Engine critical on conventional twins (PAST)?

Q#98Principles of FlightSection 10: Multi-Engine & Asymmetric Flight

What is Vmcg?

Q#99Principles of FlightSection 10: Multi-Engine & Asymmetric Flight

What is Vmca?

Q#100Principles of FlightSection 10: Multi-Engine & Asymmetric Flight

What is Cross-Over Altitude?

Q#101Principles of FlightSection 11: Operating Limitations (V-Speeds)

What is Va (Design Maneuvering Speed)?

Q#102Principles of FlightSection 11: Operating Limitations (V-Speeds)

Define Vne, Vno, Vfe, Vle, and Vlo.

Q#103Principles of FlightSection 11: Operating Limitations (V-Speeds)

Define takeoff performance speeds: V1, Vr, and V2.

Q#104Principles of FlightSection 11: Operating Limitations (V-Speeds)

What is Limit Load Factor (DLL) vs Ultimate Load Factor (DUL)?

Q#105Principles of FlightSection 11: Operating Limitations (V-Speeds)

What is the V-n diagram?

Q#106Principles of FlightSection 11: Operating Limitations (V-Speeds)

How does aircraft weight affect maneuvering speed (Va)?

Q#107Principles of FlightSection 12: Propellers

Define Blade Angle, Geometric Pitch, and Effective Pitch.

Q#108Principles of FlightSection 12: Propellers

What is Propeller Slip and why are blades twisted?

Q#109Principles of FlightSection 12: Propellers

Contrast Aerodynamic Twisting Moment (ATM) vs Centrifugal Twisting Moment (CTM).

Q#110Principles of FlightSection 12: Propellers

What is a fixed-pitch propeller vs a Constant Speed Propeller (CSP)?

Q#111Principles of FlightSection 12: Propellers

What is 'fine pitch' vs 'coarse pitch'?

Q#112Principles of FlightSection 12: Propellers

What is propeller feathering?

Q#113Principles of FlightSection 12: Propellers

What is propeller windmilling?

Q#114Principles of FlightSection 12: Propellers

What is the Alpha range vs Beta range of a variable-pitch propeller?

Q#115Principles of FlightSection 12: Propellers

What is a propeller reduction gear?

Q#116Principles of FlightSection 12: Propellers

What is propeller synchronizing and synchrophasing?

Q#117Principles of FlightSection 12: Propellers

What is spiraling slipstream?

Q#118Principles of FlightSection 12: Propellers

What is gyroscopic precession in propeller aircraft?

Q#119Principles of FlightSection 12: Propellers

What are contra-rotating propellers?

Q#120Principles of FlightSection 12: Propellers

What is power absorption in a propeller?

Q#121Principles of FlightSection 13: Systems, Engines & Documents

What are the four strokes of an aero piston engine (Otto Cycle)?

Q#122Principles of FlightSection 13: Systems, Engines & Documents

What does a carburetor do and what is the risk of carburetor icing?

Q#123Principles of FlightSection 13: Systems, Engines & Documents

What provides electrical power in an aircraft?

Q#124Principles of FlightSection 13: Systems, Engines & Documents

What is the function of aircraft hydraulics and what law governs it?

Q#125Principles of FlightSection 13: Systems, Engines & Documents

What does the Certificate of Airworthiness (CofA) and Airworthiness Review Certificate (ARC) signify?

Q#126Principles of FlightSection 13: Systems, Engines & Documents

What is the Certificate of Registration (CofR) and Certificate of Release to Service (CRS)?

Q#127Principles of FlightSection 13: Systems, Engines & Documents

Why is aircraft Weight and Balance important for safety?

Q#128Principles of FlightSection 13: Systems, Engines & Documents

What is the basic aviation first aid for in-flight hypoxia?