DF (direction finder) guidance


DF (direction finder) guidance
The guidance given to aircraft in distress or to other aircraft that request the service. Headings are provided to aircraft by facilities equipped with DF (direction-finding) equipment. These headings, if followed, will lead the aircraft to a predetermined point such as the radio direction-finding station or an airport. Practice DF guidance is provided when workload permits. Also called DF steer.

Aviation dictionary. 2014.

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