ORGANIC LAWS GOVERNING U.S. COAST GUARD 37 



Rule 2 (a) (iv) and (v) and shall be screened as provided in Rule 

 2(a) (vi), provided that any number of vessels pushed ahead in a 

 group shall be lighted as one vessel. 



(d) Between sunrise and sunset a vessel being towed, if the length 

 of the tow exceeds 600 feet, shall carry where it can best be seen a 

 black diamond shape at least 2 feet in diameter. 



33 U.S.C. 1066 (Rule 6) 



(a) "Wlien it is not possible on account of bad weather or other 

 sufficient cause to fix the green and red sidelights, these lights shall 

 be kept at hand, lighted and ready for immediate use, and shall, on 

 the approach of or to other vessels, be exhibited on their respective 

 sides in sufficient time to prevent collision, in such manner as to make 

 them most visible, and so that the green light shall not be seen on 

 the port side nor the red light on the starboard side, nor, if practi- 

 cable, more than 221^ degrees (2 points) abaft the beam on their 

 respective sides. 



(b) To make the use of these portable lights more certain and easy, 

 the lanterns containing them shall each be painted outside with the 

 colour of the lights they respectively contain, and shall be provided 

 with proper screens. 



33 U.S.C. 1067 (Rule 7) 



Power-driven vessels of less than 65 feet in length, vessels under 

 oars or sails of less than 40 feet in length, and rowing boats, when 

 under way shall not be required to carry the lights prescribed in 

 Rules 2, 3 and 5, but if they do not carry them they shall be provided 

 with the following lights — 



(a) Power-driven vessels of less than 65 feet in length, except as 

 provided in sections (b) and (c) , shall carry — 



(i) In the forepart of the vessel, where it can best be seen, and 

 at a height above the gunwale of not less than 9 feet, a white 

 light constructed and fixed as prescribed in Rule 2(a) (i) and of 

 such a character as to be visible at a distance of at least 3 miles. 



(ii) Green and red sidelights constructed and fixed as pre- 

 cribed in Rule 2(a) (iv) and (v), and of such a character as to 

 be visible at a distance of at least 1 mile, or a combined lantern 

 showing a green light and a red light from right ahead to 221/^ 

 degrees (2 points) abaft the beam on their respective sides. Such 

 lantern shall be carried not less than 3 feet below the white light. 



(b) Power-driven vessels of less than 65 feet in length when towing 

 or pushing another vessel shall carry — 



(i) In addition to the sidelights or the combined lantern pre- 

 scribed in section (a) (ii) two white lights in a vertical line, one 

 over the other not less than 4 feet apart. Each of these lights 

 shall be of the same construction and (5haracter as the white light 

 prescribed in section (a) (i) and one of them shall be carried 

 in the same position. In a vessel with a single mast such lights 

 may be carried on the mast. 



(ii) Either a stem light as prescribed in Rule 10 or in lieu of 

 that light a small white light abaft the funnel or aftermast for 



