Division SAO.IDE.110 Operating lights

Sailplanes operated at night shall be equipped with all of the following:

1. (a)

   an anti-collision light system;

2. (b)

   navigation/position lights;

3. (c)

   a landing light;

4. (d)

   lighting supplied from the sailplane's electrical system to provide adequate illumination for all instruments and equipment essential to the safe operation of the sailplane;

5. (e)

   an independent portable light for the pilot-in-command and any other crew member station.