Type iv personal floating device

A Type IV personal flotation device (PFD) is a throwable flotation aid designed for use in emergencies, such as when someone falls overboard. Unlike wearable PFDs, Type IV devices are not intended to be worn but can be easily thrown to a person in distress. Common examples include throwable cushions or ring buoys. They are required on many boats, especially those over a certain length, to ensure safety on the water.