Regulationcurrent
33 CFR 156.320
Maximum operating conditions.
Current as of 2026-08-18 Government source
eCFR editorial compilationAuthoritative but unofficial
View source Unless otherwise specified, the maximum operating conditions in this section apply to tank vessels operating within the lightering zones designated in this subpart.#
(a)A tank vessel shall not attempt to moor alongside another vessel when either of the following conditions exist:#
(1)The wind velocity is 56 km/hr (30 knots) or more; or#
(2)The wave height is 3 meters (10 feet) or more.#
(b)Cargo transfer operations shall cease and transfer hoses shall be drained when—#
(1)The wind velocity exceeds 82 km/hr (44 knots); or#
(2)Wave heights exceed 5 meters (16 feet).#