Nautical Rules of the Road

15 feet abaft the beam ascending steamer barge or canal BARGES AND CANAL best be seen bright white light canal boats carry a white clear atmosphere close-hauled compass course to starboard dark night distance flare-up light fog horn frustrum green light Gulf of Mexico horizon horsepower Hudson River INLAND Art INTERNATIONAL Not covered involve risk Lake Champlain LAKES Not covered lantern least 2 miles less than 15 light from right LIGHTS ON VESSELS line not less masthead light Motorboats navigating overtaking steamer overtaking vessel Pilot vessels pilotage points abaft port side prevent collision Rafts red light respective sides right ahead risk of collision RIVERS Not covered Rule running free sailing vessel scows short blasts show an unbroken side shall keep starboard side steam vessel steam whistle steamer ahead stern suction dredges thick weather throw the light unbroken light vertical line vessel ahead VESSELS TOWING visible waters WESTERN RIVERS