A tricolor light has three fixed lights, including a white light placed over the fore and aft centerline of the vessel showing an unbroken light over an arc of the horizon of 112.5 degrees so fixed as to show the light from right astern to 22.5 degrees abaft the beam on either side of the vessel, and a green light on the starboard side and a red light on the port side each showing an unbroken light over an arc of the horizon of 112.5 degrees and so fixed as to show the light from right ahead to 22.5 degrees abaft the beam on its respective side. About legality, see Coast Guard's publication Navigation Rules, International - Inland, Part C - Lights and Shapes, Rule 25, http://www.navcen.uscg.gov/mwv/navrules/Rules/Rule25.htm. -----Original Message----- From: montgomery_boats-bounces+williame=peoriaaz.com@mailman.xmission.com [mailto:montgomery_boats-bounces+williame=peoriaaz.com@mailman.xmission. com] On Behalf Of Rick Langer Sent: Friday, December 10, 2004 8:56 AM To: montgomery_boats@mailman.xmission.com Subject: M_Boats: Nav lights at top of mast Would someone explain how a tri-color light works? Does the all around white light stay on, all around, whenever the nav lights are on or are there two lights in there, one stern and one steaming? Also, what are the issues concerning legality? Thanks, Rick Langer M15 #337 Sialia

Date: Thu, 9 Dec 2004 16:00:07 EST

From: Saltm17@aol.com

Subject: M_Boats: Nav lights at top of mast

To: montgomery_boats@mailman.xmission.com

Message-ID: <c0.1d757332.2eea16d7@aol.com>

Content-Type: text/plain; charset="US-ASCII"

Just called the Coast Guard and asked if using masthead nav lights

(tri-color) was still legal on both inland waters and off shore.

Apparently they are

still legal, and there haven't been any recent changes to the rules

alowing

them.

John

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