Definitions for "PERSONAL FLOTATION DEVICE"
Keywords:  pfd, afloat, jacket, vest, lifejackets
PDF is official terminology for life jacket. When properly used, the PDF will support a person in the water. Available in several sizes and types.
A safety vest or jacket capable of keeping an individual afloat.
any type of item that keeps a person afloat in water. Only US Coast Guard-approved PFDs should be used on boats.
A device that, when worn correctly, provides a specified buoyancy to support a conscious person in an upright or backward leaning position, but is not designed to turn a person from a face-down to a face-up position in the water.