What are the primary components of an aircraft’s avionics system?

The primary components of an aircraft's avionics system include communication, navigation, and flight instruments. Avionics refers to all of the electronic systems used in aircraft, which are crucial for flight operations.

Communication systems enable interaction between the aircraft and air traffic control, as well as communication among crew members. Navigation systems facilitate the determination of the aircraft's position and trajectory, allowing for safe routing and landing. Flight instruments provide pilots with vital information about the aircraft's altitude, speed, heading, and other critical flight parameters. Together, these components ensure safe and efficient operation of the aircraft during all stages of flight.

In contrast, the other options refer to different aspects of an aircraft. Flight control systems, safety equipment, and engine sensors relate more to the aircraft's mechanical systems. Structural materials, weight distribution, and fuel systems pertain to the overall design and performance of the aircraft. Wing designs, landing gear, and propeller types focus on the physical attributes of the aircraft rather than its electronic systems.