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A type IV PFD is a personal flotation device. The classification is given by the United States Coast Guard. It is a device that is throwable.
Type I, II, or III PFD
Type I, II, or III PFD
A personal flotation device approved by the U.S. Coast Guard. They're required if you're out on a boat most places.
wearing a Coast Guard approved PFD(personal flotation device)
A PFD is a personal flotation device. It is important that it fits correctly and it must be approved for your weight range.
There are many ways to properly use a Personal Flotation Device. To use a Personal Flotation Device just pull the cord.
3
A life jacket In the US, that would be a US Coast Guard approved Personal Flotation Device (PFD).
Any/all children need to wear flotation devices when on board a personal pleasure craft. Everyone should wear one just out of common sense.
Personal Flotation Device
Personal flotation devices (life preservers) are required to be worn by children under the age of eight years.