ul-1517.3Hybrid Personal Flotation Devices
UL 1517
1 Scope
1.1 These requirements cover wearable buoyant devices having:
a) At least one compartment that relies upon inflation by gas or other medium to provide buoyancy, and
b) A quantity of inherently buoyant material.
1.2 The hybrid devices covered by this standard are intended for United States Coast Guard (USCG) approval under 46 CFR 160.077 as recreational use devices.