ident feature

ident feature

Identification feature. The special feature in the Air Traffic Control Radar Beacon System (ATCRBS), SSR (secondary surveillance radar), and military radars equipment used to immediately distinguish one displayed target from other beacon targets. The pilot must press the “ident” button for this function to occur.
References in periodicals archive ?
And before I was finished with it, the airplane lost all comms one afternoon during my IFR arrival at a major airport, leaving me with only the transponder's ident feature to respond to ATC.
After using his transponder's ident feature, ATC located the flight three miles north of the airport at 1000 feet, and the controller cleared the pilot for landing.