Questions and Answers on the Rules of the Road

50 meters addition all-round altering anchor Annex answered apply approaching astern avoid balls bell best be seen boats carry channel character circumstances classes clear Coast Guard collision command constructed course craft crossing danger direction display distance dredge duty engaged in fishing exhibit feet feet in length FIGURE fixed forward four give horizon immediately indicate International Rule keep lantern least less lights prescribed lower masthead light means meeting meters in length miles minute motorboat navigation night officer operations overtaking pass Pilot Rule points port side position power-driven vessel practicable prolonged blast propelled pushing range red lights Regulations restricted Road safe sailing vessel seconds shape short blasts side lights sight signal sound speed steam vessel sternlight surveying towing traffic United vertical line vessel ahead vessel engaged vessel of less vessel underway visible whistle white light