[42 FR 36434, July 14, 1977, as amended at 42 FR 48876, Sept. 26, 1977; 43 FR 33710, Aug. 1, 1978; 43 FR 49536, Oct. 24, 1978; 44 FR 24287, Apr. 25, 1979; 45 FR 32672, May 19, 1980] AD-41 Class.. § 707.1 Purpose of regulations. 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 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. 8 707.7 Submarine identification light. 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 offperiod. 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] § 707.8 Special operations lights. Naval vessels may dispay, as a means of coordinating certain special oper ations, 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. § 707.9 Convoy operations stern light. 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. |