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Code · CFR · Title 33 — Navigation and Navigable Waters · Part 84 · § 84.19

§ 84.19. High-speed craft.

174 words·~1 min read·/us/cfr/t33/s§ 84.19·

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(a)The masthead light of high-speed craft may be placed at a height related to the breadth of the craft lower than that prescribed in § 84.02(a)(i), provided that the base angle of the isosceles triangle formed by the sidelights and masthead light, when seen in end elevation is not less than 27°.
(b)On high-speed craft of 50 meters or more in length, the vertical separation between foremast and mainmast light of 4.5 meters required by § 84.02(k) may be modified provided that such distance shall not be less than the value determined by the following formula: Where: y is the height of the mainmast light above the foremast light in meters; a is the height of the foremast light above the water surface in service condition in meters; Ψ is the trim in service condition in degrees; C is the horizontal separation of masthead lights in meters. Note to § 84.19: Refer to the International Code of Safety for High-Speed Craft, 1994 and the International Code of Safety for High-Speed Craft, 2000.
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§ 84.19
High-speed craft.
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