(a) This subpart contains structural and performance standards for approval of Level 100 lifejackets, as well as requirements for production follow-up inspections, markings, information placards, and associated manuals.

(b) Lifejackets approved under this subpart must rely upon inherently buoyant material, inflation, or a combination to achieve the minimum buoyancy.

(c) Lifejackets approved under this subpart are intended to meet the carriage requirements for wearable PFDs for uninspected passenger vessels, uninspected commercial vessels over 40 ft (12m) and for inspected vessels.