Plain English Meaning

Potholes or rough patches in the ground surface where the airplane rolls. They can jolt the airplane, damage the gear, or even nick a propeller if struck at speed.

Full Definition

Holes, depressions, or rough spots in the surface of a runway, taxiway, or ramp that can damage tires, landing gear, or propellers, and may upset the airplane during taxi, takeoff, or landing.

Context Anchor

Encountered during preflight inspection and ground operations, especially when checking the area around the airplane before taxiing.