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An aircraft is on the 290° radial from a nearby VOR. The magnetic variation at the VOR is 5°E and the magnetic variation at the aircraft is 7°E. What true track does the aircraft need to fly to go directly to the VOR?
  • A
    105°
  • B
    115°
  • C
    297°
  • D
    110°

The aircraft is on radial 290°, which is a magnetic bearing from the VOR. To turn this into a true bearing, we can use the saying:

Variation West, Magnetic Best.
Variation East, Magnetic Least.

In this case, we must use the variation at the VOR, as this is where the radials come from, which is 5° East. An easy way to remember this is that "V" is for Variation and VOR, so we should use the magnetic variation at the VOR.

Magnetic is least, therefore the true bearing from the VOR is going to be 5° more than 290°(M), so will be 295°(T).

The bearing from VOR to aircraft is 295°(T), so the true track to fly the opposite direction is 295 - 180 = 115°(T), this is the true track to be flown direct to the VOR.

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