Currently, there aren't any Coast Guard approved Type I inflatable PFD's . Disadvantages: High price; may be manual or automatic. There are many Type V (special use) inflatable jackets (covered later in this section) that provide Type II performance characteristics. . type 4 throwable personal flotation device illustration.
A personal flotation device is a piece of equipment designed to assist a wearer to keep afloat in water. The wearer may be either conscious or unconscious. .. Some inflatable life jackets also react with salt or fresh water, which causes them to . and high buoyant types for river outfitters and other whitewater professionals.
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