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DF guidance
трансп.	dirección DF; referencia DF
Английский тезаурус
DF guidance
авиац., Канада.	Headings provided to aircraft by facilities equipped with 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. DF guidance is given to aircraft in distress or to other aircraft that request the service.