46 CFR § 108.237
Fuel storage facilities
April 15, 2021
(a) Helicopter fuel storage tanks must be installed as far as practicable from—
(1) The landing area; and
(2) Each source of vapor ignition.
(b) Independent tanks must meet Subpart 58.50 of this Chapter.
(c) Marine portable fuel stowage tanks must meet Part 64 of this chapter.
(d) Each marine portable fuel stowage tank must have a means to contain fuel spills or leaks.
[CGD 73-251, 43 FR 56808, Dec. 4, 1978, as amended by USCG-1999-6216, 64 FR 53226, Oct. 1, 1999]