Avionics Systems MCQs
1. What does the term “avionics” refer to in aviation?
a) Aviation economics
b) Aviation electronics and systems
c) Aviation mechanics
d) Aviation marketing
Answer: b) Aviation electronics and systems
2. Which system is responsible for controlling an aircraft’s engine parameters?
a) Flight management system (FMS)
b) Engine control unit (ECU)
c) Autopilot system
d) Communication system
Answer: b) Engine control unit (ECU)
3. What is the primary function of an inertial navigation system (INS) in avionics?
a) To provide weather information
b) To control engine thrust
c) To navigate the aircraft without external references
d) To communicate with air traffic control
Answer: c) To navigate the aircraft without external references
4. Which system is responsible for transmitting and receiving voice communication in aircraft?
a) Transponder system
b) Flight management system (FMS)
c) Communication system
d) Navigation system
Answer: c) Communication system
5. What is the purpose of a transponder in avionics?
a) To transmit weather data
b) To provide engine thrust control
c) To communicate with ground stations and air traffic control
d) To navigate the aircraft
Answer: c) To communicate with ground stations and air traffic control
6. Which system is responsible for monitoring and controlling the aircraft’s flight instruments?
a) Autopilot system
b) Flight management system (FMS)
c) Instrumentation system
d) Navigation system
Answer: c) Instrumentation system
7. What does the acronym “TCAS” stand for in avionics?
a) Traffic Collision Avoidance System
b) Terrain Control and Avoidance System
c) Transponder Communication and Alerting System
d) Tactical Control and Analysis System
Answer: a) Traffic Collision Avoidance System
8. Which system provides data regarding an aircraft’s position, velocity, and altitude?
a) Autopilot system
b) Flight management system (FMS)
c) Navigation system
d) Instrumentation system
Answer: c) Navigation system
9. What is the primary purpose of a weather radar system in avionics?
a) To communicate with other aircraft
b) To provide real-time weather information
c) To control engine parameters
d) To navigate the aircraft
Answer: b) To provide real-time weather information
10. Which system is responsible for monitoring and controlling the aircraft’s electrical systems?
a) Electrical power distribution system
b) Flight management system (FMS)
c) Autopilot system
d) Communication system
Answer: a) Electrical power distribution system
11. What is the purpose of an autopilot system in avionics?
a) To communicate with air traffic control
b) To control engine parameters
c) To automate certain flight tasks
d) To provide weather information
Answer: c) To automate certain flight tasks
12. Which system is responsible for managing and controlling the aircraft’s fuel system?
a) Fuel management system
b) Flight management system (FMS)
c) Autopilot system
d) Navigation system
Answer: a) Fuel management system
13. What does the term “EFIS” stand for in avionics?
a) Engine Fuel Injection System
b) Electronic Flight Instrumentation System
c) Electrical Fuel Indication System
d) Environmental Flight Information System
Answer: b) Electronic Flight Instrumentation System
14. Which system provides data regarding an aircraft’s engine performance and health?
a) Flight management system (FMS)
b) Engine health monitoring system (EHMS)
c) Autopilot system
d) Communication system
Answer: b) Engine health monitoring system (EHMS)
15. What is the primary function of a terrain awareness and warning system (TAWS) in avionics?
a) To monitor airspeed
b) To control engine parameters
c) To provide terrain proximity alerts
d) To navigate the aircraft
Answer: c) To provide terrain proximity alerts
16. Which system is responsible for managing and controlling the aircraft’s hydraulic systems?
a) Hydraulic management system
b) Flight management system (FMS)
c) Autopilot system
d) Communication system
Answer: a) Hydraulic management system
17. What does the term “MFD” stand for in avionics?
a) Multi-Function Display
b) Maneuvering Flight Dynamics
c) Meteorological Flight Data
d) Mission Flight Director
Answer: a) Multi-Function Display
18. Which system provides data regarding an aircraft’s airspeed, altitude, and attitude?
a) Autopilot system
b) Flight management system (FMS)
c) Instrumentation system
d) Navigation system
Answer: c) Instrumentation system
19. What is the purpose of an APU (Auxiliary Power Unit) in avionics?
a) To provide additional engine thrust
b) To generate electrical power and provide starting power for the main engines
c) To control air conditioning systems
d) To communicate with ground stations
Answer: b) To generate electrical power and provide starting power for the main engines
20. Which system is responsible for managing and controlling the aircraft’s cabin environment?
a) Cabin control system
b) Flight management system (FMS)
c) Autopilot system
d) Communication system
Answer: a) Cabin control system
21. What does the term “GPS” stand for in avionics?
a) Global Positioning System
b) Ground Proximity Sensor
c) Guidance and Performance System
d) General Pilot Support
Answer: a) Global Positioning System
22. Which system is responsible for managing and controlling the aircraft’s pressurization system?
a) Cabin pressurization system
b) Flight management system (FMS)
c) Autopilot system
d) Communication system
Answer: a) Cabin pressurization system
23. What is the primary function of a flight data recorder (FDR) in avionics?
a) To record voice communications
b) To record flight parameters and aircraft systems data
c) To control engine parameters
d) To monitor air traffic
Answer: b) To record flight parameters and aircraft systems data
24. Which system is responsible for managing and controlling the aircraft’s anti-icing and de-icing systems?
a) Ice protection system
b) Flight management system (FMS)
c) Autopilot system
d) Communication system
Answer: a) Ice protection system
25. What does the term “EFB” stand for in avionics?
a) Electronic Flight Bag
b) Engine Fuel Burner
c) Environmental Flight Board
d) Electrical Fuel Backup
Answer: a) Electronic Flight Bag
26. Which system is responsible for managing and controlling the aircraft’s lighting systems?
a) Lighting control system
b) Flight management system (FMS)
c) Autopilot system
d) Communication system
Answer: a) Lighting control system
27. What is the primary function of a TCAS (Traffic Collision Avoidance System) in avionics?
a) To monitor engine performance
b) To provide traffic alerts and collision avoidance guidance
c) To control airspeed
d) To communicate with ground stations
Answer: b) To provide traffic alerts and collision avoidance guidance
28. Which system is responsible for managing and controlling the aircraft’s landing gear?
a) Landing gear control system
b) Flight management system (FMS)
c) Autopilot system
d) Communication system
Answer: a) Landing gear control system
29. What does the term “HUD” stand for in avionics?
a) Head-Up Display
b) Horizontal Unit Display
c) High-Altitude Data
d) Hazardous Weather Detection
Answer: a) Head-Up Display
30. What does the term “EICAS” stand for in avionics?
a) Engine Indication and Crew Alerting System
b) Environmental Integrated Control and Alerting System
c) Electrical Information and Control Augmentation System
d) Emergency Information and Communication Alerting System
Answer: a) Engine Indication and Crew Alerting System
31. Which system is responsible for managing and controlling the aircraft’s avionics power distribution?
a) Avionics power distribution system
b) Flight management system (FMS)
c) Autopilot system
d) Communication system
Answer: a) Avionics power distribution system
32. What is the primary function of a yaw damper system in avionics?
a) To control engine parameters
b) To provide lateral stability and reduce yaw oscillations
c) To navigate the aircraft
d) To communicate with ground stations
Answer: b) To provide lateral stability and reduce yaw oscillations
33. Which system is responsible for managing and controlling the aircraft’s auxiliary systems?
a) Auxiliary systems management
b) Flight management system (FMS)
c) Autopilot system
d) Communication system
Answer: a) Auxiliary systems management
34. What does the term “EPU” stand for in avionics?
a) Emergency Power Unit
b) Electronic Performance Update
c) Environmental Protection Unit
d) Engine Performance Update
Answer: a) Emergency Power Unit
35. Which system is responsible for managing and controlling the aircraft’s environmental control systems?
a) Environmental control system
b) Flight management system (FMS)
c) Autopilot system
d) Communication system
Answer: a) Environmental control system
36. What is the primary function of a radar altimeter in avionics?
a) To measure airspeed
b) To measure the aircraft’s altitude above ground level
c) To control engine thrust
d) To navigate the aircraft
Answer: b) To measure the aircraft’s altitude above ground level
37. Which system is responsible for managing and controlling the aircraft’s propeller systems?
a) Propeller control system
b) Flight management system (FMS)
c) Autopilot system
d) Communication system
Answer: a) Propeller control system
38. What does the term “RNP” stand for in avionics?
a) Required Navigation Performance
b) Radar Navigation Program
c) Regional Navigation Plan
d) Radio Navigation Protocol
Answer: a) Required Navigation Performance
39. Which system is responsible for managing and controlling the aircraft’s anti-skid systems?
a) Anti-skid control system
b) Flight management system (FMS)
c) Autopilot system
d) Communication system
Answer: a) Anti-skid control system
40. What does the term “FDR” stand for in avionics?
a) Flight Data Recorder
b) Fuel Distribution Regulator
c) Frequency Domain Reflectometer
d) Flight Dynamics Regulator
Answer: a) Flight Data Recorder