LIGHTING - Attwood

LIGHTINGBoats At AnchorWhen anchored in other than designated areas, any boat under 50 meters (164 ft.)must have a 360° white light in view (a single all-round light, or a masthead andtransom light, or other means).Boats UnderwayThis section outlines the navigation lighting required according to current USCoast Guard and 72 COLREGS (International Waters) regulations. Whenunderway, the required navigation lights are:Power-driven boats less than 12meters (39.4 feet) with max.speed over 7 knots:Sidelight pair or combined-1mile;All-Round Light-2 mile; orMasthead Light-2 mile withTransom Light-2 mile.Vertical Separation of LightsPole length and location determines light separation. On boats under 12 meters(39.4 feet), the all-round or masthead light must be located a minimum of onemeter (39-3/8 inches) above the red-green sidelights. The “One-Meter” must bethe height separation measured from bulb filament centers.HPower-driven boats 12 to 20meters (39.4 to 65.6 feet):Sidelight pair or combined-2 mile;Masthead Light-3 mile; andTransom Light-2 mile. All-RoundLight may not be used.Sailboats Under Motor Power:When under power, sailboats are considered power boats and must operatewith power boat lights as outlined above.H=One meteror 39-3/8"HSailboats less than 7 meters(23 feet) under sail:Sidelight pair or combined-1 mile;Transom Light-2 mile; flashlightor lighted lantern.On boats of 12 to 20 meters (39.4 to 65.6 feet), the masthead light must be atleast 2.5 meters (8.2 feet) above the gunwale.Sailboats 7 to 20 meters(23 to 65.6 feet) under sail:3 different light configurationsmay be acceptable:1. Sidelights & Transom Light.2. A Sidelight & Transom Lightcombined in one light (a Tri-Color Light) mounted at or neartop of mast.3. Sidelights & Transom Light, ortwo All-Round Lights, mountedat or near the top of the mast,the upper light being red and thelower green.Small, Oar-Driven Boats:Sidelight pair or combined,1 mile;Transom Light-2 mile; flashlight or lighted lantern.Various other light requirements are outlined in the standards regardingtowing, vessels aground, and other special conditions. Consult the InlandNavigation Rules, 72 COLREGS, or USCG for details.37