Avionics MCQs December 5, 2025August 22, 2024 by u930973931_answers 58 min Score: 0 Attempted: 0/58 Subscribe 1. What is the primary function of a Cockpit Voice Recorder (CVR)? (A) To record flight data (B) To record cockpit conversations (C) To monitor engine performance (D) To track aircraft position 2. Under which regulation is the requirement for CVRs established? (A) All of the above (B) FAA (C) EASA (D) ICAO 3. How long does a standard CVR typically record cockpit conversations? (A) 30 minutes (B) 120 minutes (C) 60 minutes (D) 24 hours 4. What is the typical storage medium used in CVRs? (A) Digital memory (B) Magnetic tape (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 rear of the fuselage (C) In the avionics bay (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 CVRâs protective casing typically? (A) Yellow (B) Red (C) Black (D) Orange 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 locate the CVR underwater (C) To prevent data corruption (D) To enhance recording quality 12. What type of data does the CVR record in addition to cockpit conversations? (A) Flight data (B) Radio communications (C) Navigation 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) Aircraftâs electrical system 14. What is the key advantage of digital CVRs over analog ones? (A) All of the above (B) Easier data retrieval (C) Improved sound quality (D) Higher recording capacity 15. When should a CVR be deactivated or overwritten? (A) After every flight (B) When a new flight begins (C) After a specified duration (D) It should never be deactivated 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 CVRâs âcockpit area microphoneâ do? (A) Records external sounds (B) Tracks pilot actions (C) Monitors engine noise (D) Records internal cockpit conversations 18. What happens to the CVR data if an aircraft crashes? (A) It is immediately lost (B) It is protected by a crash-survivable memory unit (C) It is encrypted (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 CVRâs protective casing? (A) Heat resistance (B) To track passenger movements (A) To record cockpit conversations (B) To record aircraft operational parameters (C) To monitor engine oil levels (D) Water rQ#1: What is the primary function of a Flight Data Recorder (FDR)? 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) 10â20 (B) 100â500 (C) 50â100 (D) Over 1000 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) GPS tracking (B) Crash-survivable memory unit (C) Cloud backup (D) Redundant power supply 26. How long does a standard FDR typically record flight data? (A) 25 hours (B) 72 hours (C) 48 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 record cockpit conversations (C) To analyze operational parameters and flight sequence (D) To monitor air traffic control communications 29. What type of power supply is typically used for FDRs? (A) Aircraft electrical system (B) Backup battery (C) Auxiliary generator (D) Engine-driven alternator 30. Which ICAO annex governs FDR requirements? (A) Annex 17 (B) Annex 13 (C) Annex 6 (D) Annex 18 31. What is the typical sampling rate for FDR parameters? (A) 4 Hz to 64 Hz (B) 1 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) Manual removal and data extraction (C) Satellite transmission (D) Automatic cloud upload 34. How often should FDRs be tested according to maintenance schedules? (A) Monthly (B) Annually (C) Quarterly (D) Before every flight 35. Which feature helps FDRs survive high-impact crashes? (A) Heat-resistant casing (B) Water-proof seals (C) All of the above (D) Shock-resistant construction 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 only monitors engine performance (B) FDR records cockpit audio; CVR records flight parameters (C) Both record the same data (D) FDR records flight parameters; CVR records cockpit audio 39. Which component is NOT part of a typical FDR system? (A) Electronic systems used in aviation (B) MeQ#1: What does the term âavionicsâ refer to? (A) Aircraft engines (B) Aircraft communication systems (C) Sensors (D) Aircraft navigation systems 40. What is the primary function of the Flight Management System (FMS)? (A) To manage in-flight entertainment (B) To provide weather updates (C) To assist in flight planning and navigation (D) To control the aircraftâs engines 41. What is a âglass cockpitâ? (A) A cockpit with traditional analog instruments (B) A cockpit with enhanced lighting (C) A cockpit with a digital display and electronic instruments (D) A cockpit with enhanced audio systems 42. Which avionics system provides real-time weather information to pilots? (A) Traffic Collision Avoidance System (TCAS) (B) Automated Weather Observation System (AWOS) (C) Weather Radar (D) Radio Altimeter 43. What does the acronym TCAS stand for? (A) Traffic Collision Avoidance System (B) Tactical Collision Avoidance System (C) Tactical Communication and Avionics System (D) Traffic Control and Avoidance System 44. Which system is responsible for detecting and avoiding potential collisions with other aircraft? (A) GPS (B) EGPWS (C) TCAS (D) FMS 45. What is the function of the Radio Altimeter in an aircraft? (A) To measure the aircraftâs speed (B) To measure the aircraftâs altitude above the ground (C) To provide communication with ground stations (D) To monitor weather conditions 46. What does the acronym ADS-B stand for? (A) Automatic Data System-Broadcast (B) Automated Data System-Broadcast (C) Advanced Data Surveillance-Broadcast (D) Automatic Dependent Surveillance-Broadcast 47. What is the purpose of the Electronic Flight Instrument System (EFIS)? (A) To display critical flight information on digital screens (B) To control the aircraftâs engines (C) To manage in-flight entertainment (D) To provide communication between the crew and passengers 48. Which system provides information about the aircraftâs heading, attitude, and altitude? (A) Radio Altimeter (B) Attitude and Heading Reference System (AHRS) (C) Flight Data Recorder (D) Traffic Collision Avoidance System (TCAS) 49. What does the acronym GPS stand for in aviation? (A) Geographic Positioning System (B) Ground Positioning System (C) General Positioning System (D) Global Positioning System 50. Which avionics system helps pilots navigate using satellite signals? (A) GPS (B) VHF Radio (C) TACAN (D) DME 51. What is the function of the Flight Data Recorder (FDR)? (A) To provide real-time weather updates (B) To record aircraft flight parameters for investigation purposes (C) To control in-flight communication systems (D) To manage aircraft navigation 52. What does the acronym EGPWS stand for? (A) Emergency Ground Proximity Warning System (B) Electronic Ground Position Warning System (C) Enhanced Ground Proximity Warning System (D) Enhanced General Position Warning System 53. Which system alerts pilots to potential terrain conflicts and provides avoidance guidance? (A) TCAS (B) EGPWS (C) GPS (D) EFIS 54. What is the primary function of the Aircraft Communication Addressing and Reporting System (ACARS)? (A) To provide in-flight entertainment (B) To manage flight control systems (C) To facilitate data transmission between aircraft and ground stations (D) To control the aircraftâs lighting systems 55. What does the acronym ILS stand for in aviation? (A) International Landing System (B) Integrated Landing System (C) Instrument Landing System (D) Instrumental Landing Service 56. Which system provides precise guidance for landing during poor visibility conditions? (A) TCAS (B) ILS (C) EGPWS (D) GPS 57. What does the acronym VOR stand for? (A) Very High Frequency Omnidirectional Range (B) Variable Operational Range (C) Visual Omnidirectional Range (D) VHF Operational Radar 58. Which avionics system is used for short-range navigation and is ground-based? (A) DME (B) GPS (C) TACAN (D) VOR (C) Cockpit microphone (D) Data processor (C) Shock resistance (D) All of the above