In a VORTAC system, the DME distance information is provided by which component?

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Study for the Pilot's Handbook of Aeronautical Knowledge Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

In a VORTAC system, the DME distance information is provided by which component?

Explanation:
DME distance in a VORTAC comes from the TACAN portion. A VORTAC is a VOR combined with TACAN, where the VOR provides the azimuth (bearing) and the TACAN provides the distance information through its DME function. The DME reading is not generated by GPS and not by the VOR alone; it’s the TACAN transceiver that replies to the aircraft’s DME interrogation to produce the slant-range distance to the station.

DME distance in a VORTAC comes from the TACAN portion. A VORTAC is a VOR combined with TACAN, where the VOR provides the azimuth (bearing) and the TACAN provides the distance information through its DME function. The DME reading is not generated by GPS and not by the VOR alone; it’s the TACAN transceiver that replies to the aircraft’s DME interrogation to produce the slant-range distance to the station.

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