flotation collar


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flotation collar

[flō′tā·shən ‚käl·ər]
(engineering)
A buoyant bag carried by a spacecraft and designed so that it inflates and surrounds part of the outer surface if the spacecraft lands in the sea.
References in periodicals archive ?
The upper portion of the hull and the top half of the flotation collar are top-coated with a white marine-grade International polyurethane paint to protect them from ultraviolet light, cold, and moisture.