32 C.F.R. § 707.4 Aircraft warning lights.
Title 32 - National Defense
Naval vessels may display, as a means of indicating the presence of an obstruction to low flying aircraft, one all round red light on each obstruction.
Title 32: National Defense
PART 707—SPECIAL RULES WITH RESPECT TO ADDITIONAL STATION AND SIGNAL LIGHTS
§ 707.4 Aircraft warning lights.
