A device such as a buoyant ring or inflatable jacket which keeps a person afloat in the water.


Related Terms

ICEBERG

A massive piece of ice greatly varying in shape, showing more than 5 meters above the sea surface, which has broken away from a glacier, and which may be afloat or aground. Icebergs may be described as tabular, dome shaped, pinnacled, drydock, glacier or weathered, blocky, tilted blocky, or drydock icebergs. For reports to the International Ice Patrol they are described with respect to size as small, medium, or large icebergs

FLOTSAM

Debris or cargo that remains afloat after a shipwreck.

AAOSA

Always afloat or safe aground. The condition for a vessel whilst in port.

AFLOAT

Of a vessel which is floating freely (not aground or sunk). More generally of vessels in service

LIFEJACKET

A device such as a buoyant ring or inflatable jacket which keeps a person afloat in the water.

DEAD IN THE WATER

Not moving (used only when a vessel is afloat and neither tied up nor anchored).

PERSONAL FLOTATION DEVICE

A device such as a buoyant ring or inflatable jacket which keeps a person afloat in the water.

NON-TIDAL BASIN

An enclosed basin separated from tidal waters by a caisson or flood gates. Ships are moved into the dock near high tide. The dock is closed when the tide begins to fall. If necessary, ships are kept afloat by pumping water into the dock to maintain the desired level. Also called WET DOCK.

DRY HARBOR

A small harbor which either dries at low water or has insufficient depths to keep vessels afloat during all states of the tide. Vessels using it must be prepared to take the ground on the falling tide.

COMPARTMENTATION

The subdividing of the hull by transverse watertight bulkheads so that the ship may remain afloat under certain flooding conditions

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