EU - OPS 1.640 - Aeroplane operating lights
An operator shall not operate an aeroplane unless it is equipped with:
(a) for flight by day:
1. anti-collision light system;
2. lighting supplied from the aeroplane’s electrical system to provide
adequate illumination for all instruments and equipment essential to the safe
operation of the aeroplane;
3. lighting supplied from the aeroplane’s electrical system to provide
illumination in all passenger compartments; and
4. an electric torch for each required crew member readily accessible to crew
members when seated at their designated station.
(b) for flight by night, in addition to equipment specified in paragraph (a) above:
1. navigation/position lights; and
2. two landing lights or a single light having two separately energised filaments;
and
3. lights to conform with the international regulations for preventing collisions at
sea if the aeroplane is a seaplane or an amphibian.
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