33 CFR § 142.45 - Personal flotation devices.
§ 142.45 Personal flotation devices.
Personnel, when working in a location such that, in the event of a fall, they would likely fall into water, shall wear a work vest that meets the requirements of 33 CFR 146.20 or a life preserver that meets the requirements of 46 CFR 160.002, 160.005, or 160.055, except when using the safety belts and lifelines required by § 142.42.