The Rules of the Nautical Road

abaft the beam approaching vessel barges best be seen Buoy burdened vessel canal boats car float carry change of course Circuit Court course and speed Court of Appeals crossing situation danger signal distance distress signal dredge duty East River F 2d feet in length flare-up light fog horn fog signals green light Gulf of Mexico head and head high seas hold course horizon inevitable accident Inland and Pilot Inland Rules inland waters involve risk keep less liable maneuver mile moored motorboat navigation night overtaken overtaking vessel Pilot Rules points abaft port side privileged vessel range light red light risk of collision River sailing vessel schooner scows seamanship seas or inland short blasts side lights special circumstances starboard side steam vessel steam whistle steamer steamship stern suction dredge two-blast signal unbroken light vessel ahead vessel at anchor visible weather whistle signals York Harbor