TREATIES 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 2 points abaft the beam on their respective sides. Such lantern shall be carried not less than 3 feet below the white light. 2. Small steamboats, such as are carried by sea-going vessels, may carry the white light at a less height than 9 feet above the gunwale, but it shall be carried above the side-lights or the combined lantern, mentioned in sub-division 1 (b). 3. Vessels under oars or sails, of less than 20 tons, shall have ready at hand if they do not carry the side-lights, carry, where it can best be seen, a lantern with showing a green glees light on one side and a red glass light on the other, whieh, o 'the appre eof e -toe ther vessels, shall be exhibited in sffieient time te pyevent eellision, of such a characteras to be visible at a distance of at least 1 mile so that the green light shall not be seen on the port side nor the red light on the star- board side; provided that, where it is not possible tofix this light, it shall be kept lighted and readyfor use, and shall be exhibited in sufficient time to prevent collision. 4. Small rowing boats, whether under oars or sail, shall only be requiredto have ready at hand a lighted lantern showing a white light, which shall be temporarily exhibited in sufficient time to prevent collision. The vessels referred to in this Article shall not be obliged to carry the lights prescribed by Article 4 (a), and Article 11, last paragraph. ARTICLE 8. Sailing pilot-vessels, when engaged on their station on pilotage duty, and not at anchor, shall not show the lights required for other vessels, but shall carry a white light at the masthead, visible all round the horizon, at a distance of at least 3 miles, and shall also exhibit a flare-up light or flare-up lights at short intervals, which shall never exceed fifteen ten minutes. On the near approach of or to other vessels they shall have their side-lights lighted, ready for use, and shall flash or show them at short intervals, to indicate the direction in which they are heading, but the green light shall not be shown on the port side, nor the red light on the starboard side. A sailing pilot-vessel of such a class as to be obliged to go alongside of a vessel to put a pilot on board may show the white light instead of carrying it at the masthead, and may, instead of the eelrd side- lights above mentioned, have at hand, ready for use, a lantern with a green glass on the one side and a red glass on the other, to be used as prescribed above. 1284
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