14 CFR · Part 25
14 CFR § 25.1399
Riding light.
(a)
Each riding (anchor) light required for a seaplane or amphibian must be installed so that it can—
(1)
Show a white light for at least 2 nautical miles at night under clear atmospheric conditions; and
(2)
Show the maximum unbroken light practicable when the airplane is moored or drifting 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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