- (a) Each fuel tank must not be integral with any boat structure or mounted on an engine.
- (b) Each fuel tank must not move at the mounting surface more than onefourth inch in any direction.
- (c) Each fuel tank must not support a deck, bulkhead, or other structural component.
- (d) Water must drain from the top surface of each metallic fuel tank when the boat is in its static floating position.
- (e) Each fuel tank support, chock, or strap that is not integral with a metallic fuel tank must be insulated from the tank surface by a nonmoisture absorbing material.
- (f) Cellular plastic must not be the sole support for a metallic fuel tank.
- (g) If cellular plastic is the sole support of a non-metallic fuel tank, the cellular plastic must meet the requirements of § 183.516 (b) or (c).
- (h) Each fuel tank labeled under § 183.514(b)(8) for installation aft of the boat's half length must be installed with its center of gravity aft of the boat's half length.
[CGD 74-209, 42 FR 5950, Jan. 31, 1977, as amended by CGD 81-092, 48 FR 55737, Dec. 15, 1983; USCG-1999-5832, 64 FR 34716, June 29, 1999]