Nautical Term: Air tank

Definition of Air tank

A metal, airtight tank, securely installed on a boat, serving the critical function of maintaining buoyancy, even in instances where the boat is inundated with water.

For instance, during a storm at sea, a wave crashes onto a boat, flooding its compartments. However, due to the presence of an air tank, the overall buoyancy of the boat remains intact, preventing it from sinking.

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