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Note that all altitudes and heights on the map are relative to MSL. Unless

otherwise stated. This other could be e.g. 1200GND, which means that it is 1200

feet above terrain.

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9.5 Direction description

The direction from one point on the earth's surface to another point is usually

given in relation to True North (TN). It can also be another direction.

The direction is called the reference direction.

In practice, however, we fly according to magnetic values with reference to the

magnetic north pole, since we have a compass in the aircraft that refers to the

magnetic pole.

9.5.1 Reference direction

The direction is measured as the angle that is right between the chosen

reference direction and the direction in which we must move to get to the

desired point.

Flyveteori PPL(A)(UL)/LAPL Henning Andersen, Midtjysk Flyveskole© 2025 829