Riding light.

CFR · 2024-01-01 · US · Title 14

(a) Each riding light required for water operation must be installed so that it can— (1) Show a white light for at least two 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.

official document · source cfr-2024 · id 14:§ 29.1399