Nautical Term: WLTOHC
Definition of WLTOHC
(A measurement is required) The water line extends from the water’s surface to the top of the coaming above the hatch.
For instance, if the water line reached 3 feet on a ship, and the hatch coaming was 1 foot above the hatch, then the distance from the water line to the hatch coaming would be 4 feet.
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