14 CFR · Part 27
14 CFR § 27.1399
Riding light.
(a)
Each riding light required for water operation must be installed so that it can—
(1)
Show a white light for at least 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.
Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.
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