46 C.F.R. § 154.562 Cargo hose: Hydrostatic test.
Title 46 - Shipping
Each cargo hose must pass a hydrostatic pressure test at ambient temperature of at least one and a half times its specified maximum working pressure but not more than two-fifths its bursting pressure.
Title 46: Shipping
PART 154—SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES
Subpart C—Design, Construction and Equipment
Cargo Hose
§ 154.562 Cargo hose: Hydrostatic test.

