[Code of Federal Regulations]
[Title 33, Volume 1]
[Revised as of July 1, 2005]
From the U.S. Government Printing Office via GPO Access
[CITE: 33CFR84.24]
[Page 217]
TITLE 33--NAVIGATION AND NAVIGABLE WATERS
CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
PART 84_ANNEX I: POSITIONING AND TECHNICAL DETAILS OF LIGHTS AND SHAPES
--Table of Contents
Sec. 84.24 High-speed craft.
(a) The masthead light of high-speed craft with a length to breadth
ratio of less than 3.0 may be placed at a height related to the breadth
lower than that prescribed in Sec. 84.03(a)(1), provided that the base
angle of the isosceles triangle formed by the side lights and masthead
light when seen in end elevation is not less than 27 degrees as
determined by the formula in paragraph (b) of this section.
(b) The minimum height of masthead light above sidelights is to be
determined by the following formula: Tan 27[deg]=X/
Y; where Y is the horizontal distance between the sidelights
and X is the height of the forward masthead light.
[CGD 94-011, 63 FR 5731, Feb. 4, 1998. Redesignated by USCG-1999-5832,
64 FR 34712, June 29, 1999]