The Rules of the Nautical Road

abaft the beam approaching vessel best be seen Board of Supervising Buoy burdened vessel canal boats car float carry change of course Circuit Court course and speed course to starboard Court of Appeals crossing situation danger signal distance dredge duty East River F 2d fairway feet in length flare-up light fog horn fog signals green light Gulf of Mexico head and head high seas hold course horizon 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 prolonged blast red light risk of collision River sailing vessel schooner scows seamanship short blasts side lights sound signals special circumstances starboard side steam vessel steam whistle steamer steamship stern Supervising Inspectors two-blast signal unbroken light United vessel ahead vessel at anchor visible weather whistle signals York Harbor