Navigate / EASA

CS 27.1399  Riding light

ED Decision 2003/15/RM

(a)     Each riding light required for water operation must be installed so that it can:

(1)     Show a white light for at least 3.7 km (two nautical miles) at night under clear atmospheric conditions; and

(2)     Show a maximum practicable unbroken light with the rotorcraft on the water.

(b)     Externally hung lights may be used.