The Rules of the Nautical Road

abaft the beam approaching vessel barges best be seen Buoy burdened vessel canal boats car float carry Circuit Court course and speed crossing situation danger signal day signal distance dredge F 2d fairway fault feet in length flare-up light fog horn fog signals green light Gulf of Mexico hawser head and head held high seas hold course horizon inevitable accident Inland and Pilot Inland Rules inland waters International Rules involve risk keep lantern least one mile less liable lights required moored motorboat navigation overtaken overtaking vessel Pilot Rules points abaft port side privileged vessel rafts red light right ahead 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 whistle signals white light York Harbor