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CODE OF FEDERAL REGULATIONS – TITLE
33 – NAVIGATION AND NAVIGABLE WATERS
PART 183—BOATS AND ASSOCIATED
EQUIPMENT
Subpart J—Fuel Systems
Source: CGD 74-209, 42 FR 5950, Jan.
31, 1977, unless otherwise noted.
GENERAL
Sec. 183.501—Applicability
(a) This subpart applies to all boats that have
gasoline engines, except outboard engines, for electrical
generation, mechanical power, or propulsion.
(b) [Reserved]
[CGD 74-209, 42 FR 5950, Jan. 31, 1977,
as amended by CGD 81-092, 48 FR 55736, Dec. 15, 1983; USCG-1999-5832,
64 FR 34716, June 29, 1999]
Sec. 183.505—Definitions
As used in this subpart:
Flame arrestor means a device or assembly that
prevents passage of flame through a fuel vent.
Fuel system means the entire assembly of the
fuel fill, vent, tank, and distribution components, including
pumps, valves, strainers, carburetors, and filters.
Static floating position means the attitude
in which a boat floats in calm water, with each fuel tank
filled to its rated capacity, but with no person or item of
portable equipment on board.
[CGD 74-209, 42 FR 5950, Jan. 31, 1977,
as amended by CGD 85-098, 52 FR 19728, May 27, 1987]
Sec. 183.507—General
Each fuel system component on a boat to which
this subpart applies must meet the requirements of this subpart
unless the component is part of an outboard engine or is part
of portable equipment.
EQUIPMENT STANDARDS
Sec. 183.510—Fuel tanks
(a) Each fuel tank in a boat must have been
tested by its manufacturer under Sec. 183.580 and not leak
when subjected to the pressure marked on the tank label under
Sec. 183.514(b)(5).
(b) Each fuel tank must not leak if subjected
to the fire test under Sec. 183.590. Leakage is determined
by the static pressure test under Sec. 183.580, except that
the test pressure must be at least one-fourth PSIG.
(c) Each fuel tank of less than 25 gallons capacity
must not leak if tested under Sec. 183.584.
(d) Each fuel tank with a capacity of 25 to
199 gallons must not leak if tested under Sec. 183.586.
(e) Each fuel tank of 200 gallons capacity or
more must not leak if tested under Secs. 183.586 and 183.588.
[CGD 74-209, 42 FR 5950, Jan. 31, 1977,
as amended by CGD 81-092, 48 FR 55736, Dec. 15, 1983]
Sec. 183.512—Fuel tanks: Prohibited
materials
(a) A fuel tank must not be constructed from
terneplate.
(b) Unless it has an inorganic sacrificial galvanic
coating on the inside and outside of the tank, a fuel tank
must not be constructed from black iron or carbon steel.
(c) A fuel tank encased in cellular plastic
or in fiber reinforced plastic must not be constructed from
a ferrous alloy.
[CGD 74-209, 42 FR 5950, Jan. 31, 1977;
42 FR 24739, May 16, 1977]
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