What constitutes a 'runway incursion'?

• A. An aircraft landing without permission during a busy hour
• B. An incident where an aircraft, vehicle, or person is on the runway without permission from ATC
• C. A ground vehicle entering the active runway due to a malfunction
• D. A scheduled aircraft crossing runway boundaries

Answer: (B)

A 'runway incursion' is defined as any occurrence at an airport involving the incorrect presence of an aircraft, vehicle, or person on the runway. This includes situations that occur without authorization from air traffic control (ATC), potentially leading to unsafe conditions for incoming or outgoing flights.

The second choice accurately encompasses all aspects of this definition by highlighting the involvement of aircraft, vehicles, or personnel that should not be on the runway when it is designated for use. This concept is critical for maintaining safety on the airfield, as violations can lead to accidents or near misses.

Understanding this definition is essential for all personnel involved in ground operations, as it emphasizes the importance of adherence to ATC instructions and the proper protocols in place to protect both aircraft and persons on the ground during operations.