Flight Data Recorders MCQs

39 min Score: 0 Attempted: 0/39

1. What is the primary function of a Cockpit Voice Recorder (CVR)?
(A) To record cockpit conversations
(B) To record flight data
(C) To monitor engine performance
(D) To track aircraft position

2. Under which regulation is the requirement for CVRs established?
(A) ICAO
(B) FAA
(C) All of the above
(D) EASA

3. How long does a standard CVR typically record cockpit conversations?
(A) 60 minutes
(B) 30 minutes
(C) 120 minutes
(D) 24 hours

4. What is the typical storage medium used in CVRs?
(A) Magnetic tape
(B) Digital memory
(C) Hard disk drive
(D) Optical disc

5. What is the minimum recording duration required for a CVR according to ICAO?
(A) 30 minutes
(B) 45 minutes
(C) 60 minutes
(D) 90 minutes

6. Where is the CVR usually located in an aircraft?
(A) In the cockpit
(B) In the avionics bay
(C) In the rear of the fuselage
(D) Under the passenger cabin

7. Which component is not typically part of a CVR system?
(A) Voice switch
(B) Digital recorder
(C) Flight data interface
(D) Microphones

8. Which of the following does NOT affect the operation of a CVR?
(A) Ambient noise
(B) Engine performance
(C) Flight control inputs
(D) Weather conditions

9. What color is the CVR’s protective casing typically?
(A) Yellow
(B) Orange
(C) Black
(D) Red

10. What kind of signal does a CVR record?
(A) Analog
(B) Digital
(C) Mixed
(D) Video

11. What is the purpose of the underwater locator beacon (ULB) attached to the CVR?
(A) To transmit recorded data
(B) To prevent data corruption
(C) To locate the CVR underwater
(D) To enhance recording quality

12. What type of data does the CVR record in addition to cockpit conversations?
(A) Radio communications
(B) Navigation data
(C) Flight data
(D) Flight control positions

13. Which system is commonly used to power the CVR?
(A) Engine-driven generator
(B) Backup battery
(C) Auxiliary power unit
(D) Aircraft’s electrical system

14. What is the key advantage of digital CVRs over analog ones?
(A) Higher recording capacity
(B) Easier data retrieval
(C) Improved sound quality
(D) All of the above

15. When should a CVR be deactivated or overwritten?
(A) After every flight
(B) It should never be deactivated
(C) After a specified duration
(D) When a new flight begins

16. Which component is essential for the CVR to function properly?
(A) Power supply
(B) Memory storage
(C) Recording medium
(D) All of the above

17. What does the CVR’s “cockpit area microphone” do?
(A) Records external sounds
(B) Records internal cockpit conversations
(C) Monitors engine noise
(D) Tracks pilot actions

18. What happens to the CVR data if an aircraft crashes?
(A) It is immediately lost
(B) It is encrypted
(C) It is protected by a crash-survivable memory unit
(D) It is overwritten by the emergency system

19. What type of microphone is typically used in a CVR system?
(A) Dynamic
(B) Electret
(C) Condenser
(D) Piezoelectric

20. Which of the following is a feature of a CVR’s protective casing?
(A) Water rQ#1: What is the primary function of a Flight Data Recorder (FDR)?
(B) Heat resistance
(A) To record cockpit conversations
(B) To record aircraft operational parameters
(C) To monitor engine oil levels
(D) To track passenger movements

21. Under which regulation is the requirement for FDRs established?
(A) ICAO
(B) FAA
(C) EASA
(D) All of the above

22. How many flight parameters are typically recorded by a modern FDR?
(A) 10–20
(B) 50–100
(C) Over 1000
(D) 100–500

23. What is the typical storage medium used in modern FDRs?
(A) Magnetic tape
(B) Digital solid-state memory
(C) Hard disk drive
(D) Optical disc

24. Where is the FDR usually located in an aircraft?
(A) Tail section
(B) Nose section
(C) Cockpit
(D) Under passenger cabin

25. Which feature ensures FDR survival in a crash?
(A) Crash-survivable memory unit
(B) GPS tracking
(C) Cloud backup
(D) Redundant power supply

26. How long does a standard FDR typically record flight data?
(A) 25 hours
(B) 48 hours
(C) 72 hours
(D) 7 days

27. Which parameter is NOT usually recorded by an FDR?
(A) Altitude
(B) Airspeed
(C) Pilot conversations
(D) Engine RPM

28. What is the purpose of the FDR in accident investigations?
(A) To locate the aircraft
(B) To analyze operational parameters and flight sequence
(C) To record cockpit conversations
(D) To monitor air traffic control communications

29. What type of power supply is typically used for FDRs?
(A) Engine-driven alternator
(B) Backup battery
(C) Auxiliary generator
(D) Aircraft electrical system

30. Which ICAO annex governs FDR requirements?
(A) Annex 6
(B) Annex 13
(C) Annex 17
(D) Annex 18

31. What is the typical sampling rate for FDR parameters?
(A) 1 Hz
(B) 4 Hz to 64 Hz
(C) 100 Hz
(D) 1 kHz

32. Which of the following features is common to modern FDRs?
(A) Digital recording
(B) Crash survivability
(C) All of the above
(D) Multi-parameter monitoring

33. How is FDR data typically retrieved after an accident?
(A) Wireless download
(B) Satellite transmission
(C) Manual removal and data extraction
(D) Automatic cloud upload

34. How often should FDRs be tested according to maintenance schedules?
(A) Monthly
(B) Quarterly
(C) Before every flight
(D) Annually

35. Which feature helps FDRs survive high-impact crashes?
(A) Heat-resistant casing
(B) Water-proof seals
(C) Shock-resistant construction
(D) All of the above

36. What type of aircraft requires an FDR under international regulations?
(A) Commercial jets
(B) Both A and B
(C) Military aircraft
(D) Private jets over 5,700 kg

37. How long is FDR data typically stored before being overwritten?
(A) 24 hours
(B) 48 hours
(C) 25 hours or as per regulation
(D) 1 week

38. What is the key difference between FDR and CVR?
(A) FDR records cockpit audio; CVR records flight parameters
(B) FDR records flight parameters; CVR records cockpit audio
(C) Both record the same data
(D) FDR only monitors engine performance

39. Which component is NOT part of a typical FDR system?
(A) Sensors
(B) Memory unit
(C) Data processor
(D) Cockpit microphone
(C) Shock resistance
(D) All of the above

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