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CFR > Title 32 - National Defense > SUBTITLE A—Department of Defense > CHAPTER VI—DEPARTMENT OF THE NAVY (parts 700 to 777) > SUBCHAPTER B—NAVIGATION (Parts 706–707) > PART 707—SPECIAL RULES WITH RESPECT TO ADDITIONAL STATION AND SIGNAL LIGHTS > 707.4—Aircraft warning lights.
707.4—Aircraft warning lights.
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.