19 / 20

Given:

VOR station position: 61°N 025°E (variation 13°E)
Aircraft position: 59°N 025°E (variation 20°E)
What VOR radial is the aircraft on?
  • A
    167°
  • B
    160°
  • C
    347°
  • D
    193°

An important fact is that the VOR radial information is determined at the VOR station – therefore, if you need to convert between True and Magnetic when dealing with VOR bearings, you have to apply the value of Magnetic Variation valid at the place of the VOR station.

Notice that the Longitude of both position is the same (025°E) => both the VOR and the aircraft are located on the same Meridian.
The position of the VOR is further North (61°N) than the position of the aircraft (59°N).
That means that the aircraft is situated due south (true bearing 180°) of the VOR, but with reference to the True North.
We know that the radials are referenced to the Magnetic North.

  • Therefore, to convert a bearing of 180°T to a magnetic value, we have to apply the variation of the VOR position:
    Variation West, Magnetic Best; Variation East, Magnetic Least
    180° - 13°E = 167°
    The aircraft is on the 167° radial (magnetic bearing from the station).

Your Notes (not visible to others)



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

  • Lithuania
    1
Keyboard Shortcut Use Keyboard Shortcuts