ground signals


Also found in: Encyclopedia.

ground signals

A visual signal displayed on an airfield to give local air traffic rules information to flight crews in the air. See also signal area.
Mentioned in ?
References in periodicals archive ?
Drawing a polygon in the board shape, and giving it the same name as the power or ground signals, may make the job easier.
Unex Group s decision to be the first to put a spade in the ground signals a return of confidence in the market.
Not disgraced when finishing fifth, ridden prominently, over seven furlongs at Newcastle last week and drop back to five and a half furlongs on really soft ground signals a return to his optimum racing conditions