Nautical Rules of the Road

15 feet abaft the beam ascending steamer barge or canal BARGES AND CANAL best be seen bright white light CALIFORN CALIFORNIA LIBRARY canal boats carry a white clear atmosphere dark night deck house display by day distance feet in diameter fog horn frustrum green light Gulf of Mexico horizon horsepower Hudson River INTERNATIONAL Not covered involve risk Lake Champlain LAKES Not covered lantern least 2 miles light from right LIGHTS ON VESSELS line not less masthead light Motorboats navigating overtaking steamer overtaking vessel pilot vessel points abaft port side prevent collision propelled by machinery Rafts red light right ahead risk of collision RIVERS Not covered sailing vessel scows short blasts show an unbroken side shall keep starboard side steam vessel steam whistle stern suction dredges throw the light unbroken light UNIVERSITY OF CALIFORNIA vertical line vessel ahead vessel propelled VESSELS TOWING visible Wakulla River waters WESTERN RIVERS