What does the term "chock" refer to in aircraft handling?

• A. A type of aircraft
• B. A wedge or block used to prevent movement of an aircraft
• C. A procedure for launching aircraft
• D. A component of the aircraft's landing gear

Answer: (B)

The term "chock" refers to a wedge or block used to prevent the movement of an aircraft. This tool is essential in aerospace ground handling as it secures the aircraft in place, particularly when it is parked on a ramp or during maintenance. By using chocks, ground crew can ensure that the aircraft remains stationary, preventing any accidental movement that could pose safety hazards or damage to the aircraft. This practice is vital for ensuring the safety of both the crew and the aircraft itself during operations.

In contrast, the other options do not accurately describe what a "chock" is in the context of aircraft handling. A type of aircraft, a procedure for launching aircraft, or a component of the aircraft's landing gear do not encompass the primary function of chocks, which is to provide stability and security during stationary periods.