takeoff run available

takeoff run available (TORA)

The distance from the point on the surface of the aerodrome at which the airplane can commence its takeoff run to the farthest point in the direction of takeoff at which the surface of the aerodrome is capable of bearing the weight of the airplane under normal operating conditions. In most cases, it corresponds to the physical length of the runway available.
References in periodicals archive ?
This means the Takeoff Run Available and Takeoff Distance Available (TORA and TODA) in either direction is 5600 feet.
TORA, Takeoff Run Available, is the runway length available and suitable for the ground run of an aircraft taking off, which is usually the physical length of the runway.