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Example:

You are flying from A to B.

The grey arc indicates your track.

Track is measured in relation to a meridian

in the middle of the route. Track measured

from TN is called True track (TT)

Track out from MN (red arc) is called magnetic track MT.

Here you can see the terms used in

aviation for magnetic north (MN) and

geographic / true north (TN) as well as

the (common) compass directions.

Since the magnetic north pole, as

previously mentioned, is constantly

changing position in relation to

geographic north, word pole, this means, among other things, that the variation
in Denmark changes by time.

In Denmark, the variation
o
has been around 0-2 E for

many years.

The variation has therefore

not previously been
something we have

counted on a daily basis

here at home.

https://earth-planets-space.springeropen.com/articles/10.1186/s40623-020-
Flyveteori PPL(A)(UL)/LAPL Henning Andersen, Midtjysk Flyveskole© 2025 834