Measures an oblique distance at visual range not exceeding 200 Nm. The accuracy is of the order of 0.2 Nm.
A distance of 1 Nm means a vertical passage.
The frequency of the DME station must be selected, and the selector switch set to HOLD. Then you can change the frequency VOR without altering this frequency.
Status:: #wiki/notes/mature
Plantations:: Navigation
References:: Le Manuel de Pilotage d'Avion