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Communication

Position determination with 406 MHz is done via satellites and is accurate

within approx. 20 km

The system is called COSPAS/SARSAT and is a collaboration between several
countries.

4.14.2 Requirements for listening watch

When flying over the North Sea and Skagerak within Copenhagen FIR and when

flying in Sonderstrom FIR, continuous listening watch must be maintained on

the VHF emergency frequency 121.5 MHz

However, this is excepted during periods when speaking on other frequencies

or work in the cabin does not allow listening on two frequencies at the same
time.

If you hear an ELT signal (piijjooouuuu- piijjooouuuu….. 4 x 2 times), you must,

if you judge that it is not a short test, notify the nearest aeronautical station,

stating:

- Position, altitude and route

- Time of reception of the first signals

- Information about the strength of the signal.

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Flight Theory PPL(A)(UL)/LAPL Henning Andersen, Midtjysk Flyveskole© marts 2026 438