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Table of Contents
Authority: 33 U.S.C. 182 and 1606, E.O. 11964.
Source: 42 FR 61596, Dec. 6, 1977, unless otherwise noted.
All ships are warned that when U.S. naval vessels are met in international and inland waters, some of the navigational lights displayed by them may be special lights for naval purposes. When used, they may be displayed simultaneously with the ordinary navigational lights required by the International Regulations for Preventing Collisions at Sea, 1972, or the Inland Navigational Rules. The lights are located and characterized in such a fashion that, as far as possible, they cannot be mistaken for any light authorized by either set of rules. This part publishes the special rules with respect to these additional station and signal lights promulgated by the Secretary of the Navy for vessels of the Navy.
Naval vessels may display, as a means of indicating man overboard, two pulsating, all round red lights in the vertical line located on a mast from where they can best be seen.
Naval vessels may display, as a means of visual signaling, white all round lights at the ends of the yard arms. These lights will flash in varying sequences to convey the intended signal.
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.
Naval vessels may display, as a means of outlining the contour of the delivery ship during nighttime underway replenishment operations, either red or blue lights at delivery-ship-deck-edge extremities.
[42 FR 61596, Dec. 6, 1977, as amended at 44 FR 27991, May 14, 1979]
Naval vessels engaged in minesweeping operations may display, as an aid in maintaining prescribed intervals and bearings, two white lights in a vertical line visible from 070° through 290° relative.
Submarines may display, as a distinctive means of identification, an intermittent flashing amber beacon with a sequence of operation of one flash per second for three (3) seconds followed by a three (3) second off-period. The light will be located where it can best be seen, as near as practicable, all around the horizon. It shall not be located less than two (2) feet above or below the masthead lights.
[48 FR 4284, Jan. 31, 1983]
Naval vessels may dispay, as a means of coordinating certain special operations, a revolving beam colored red, green, or amber, located on either yard arm or the mast platform from where it can best be seen all around the horizon.
Naval vessels may display, during periods of convoy operations, a blue light located near the stern with the same characteristics as, but in lieu of, the normal white stern light.
Naval vessels may display a white spot light located near the stern to illuminate the wake.
Naval vessels engaged in night flight operations may display various arrangements of light systems containing combinations of different colored lights as a means of assisting in the launch and recovery of aircraft and enhancing flight safety. These light systems will be located at various points on the vessels, depending on the vessel type and the nature of the flight operations being conducted.
Naval vessels engaged in night amphibious operations may display various arrangements of light systems containing combinations of different colored lights as a means of assisting in the launch and recovery of assault craft and enhancing the safety of the amphibious operation. These light systems will be located at various points on the vessel, depending on the vessel type and the nature of the amphibious operations being conducted.