round ontrolled pproach. A precision instrument procedure approach to an airfield. Typically, this could take a pilot to a landing with the weather as low as 200' with visibility as low as 1 mile.

aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar

Ground-Controlled (instrument) Approach (uses radar, see ASR and PAR)

Ground Controlled Approach. A radar landing system operated from the ground by air traffic control personnel transmitting instructions to the pilot by radio.

Abbreviation for: ground controlled approach Fr: GCA

Ground Controlled Approach (Used in military, where ATC talks plane down)

ground controlled approach. A landing approach in which a ground controller gives verbal guidance in azimuth and elevation to a pilot using precision approach radar (PAR) to monitor the aircraft's approach path. Still used by the military, but defunct in civil aviation.

Commonly used abbreviation for ground-controlled approach.