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Given:

QDM: 248°
VAR: 10°W

The QTE is...

  • A

    238°.

  • B

    078°.

  • C

    058°.

  • D

    258°.

Refer to figure.
For this type of questions, the comprehension of some basic definitions is required:

  • Variation is the difference between true and magnetic heading or between true and magnetic track. Remember the rhyme: Variation East(+), Magnetic Least - Variation West(-), Magnetic Best.
  • QDM = Magnetic bearing from the aircraft to the station.
  • QUJ = True bearing from the aircraft to the station.
  • QTE = True bearing from the station to the aircraft.

Therefore, two calculations should be done:

1. Converting the bearing to the station from Magnetic (QDM) into True (QUJ), applying the Variation:

  • QUJ = QDM - VAR = 248° - 10° = 238° (Variation West, Magnetic Best)

2. Converting the True bearing To the station into True bearing From the station:

  • QTE = QUJ - 180° = 238° - 180° = 058°.

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This question has appeared on the real examination, you can find the related countries below.

  • Austro Control