through hull
Fittings attached through the hull to which a sea cock and hose, a transducer, or other device is attached.
Through Hull - Where fittings pass through a hull below the waterline
Tidal Current - Horizontal flow of coastal water (flood = inflow - ebb = outflow)
Tidal Current - Horizontal flow of water due to the gravity of the moon and the sun ...
A through hull valve, a shut off on a plumbing or drain pipe between the vessel's interior and the sea.
Seamanship ...
SEA COCK - A through hull valve, a shut off on a plumbing or drain pipe between the vessel's interior and the sea.
If present, make sure the "Y" valve from the head to the holding tank and discharge through hull is set so the sewage flows into the holding tank. If not a USCG inspection may result in a fine.
sea cock - A valve used to prevent water from entering at a through hull.
sea kindly - A boat that comfortable in rough weather.
sea level - The average level of the oceans, used when finding water depths or land elevations.
A tapered device, usually made from wood or rubber, which can be forced into a hole to prevent water from flowing through it. Plugs should be available to fit every through hull. The act of using something to prevent water entering through a hole.
Check for abrasions, scratches, gouges, etc.,
and repair them.
Check and replace zincs as needed.
Check swim platform and ladder.
Check transducers, pitot and through hull fittings.
...
Plugs should be available to fit every through hull fitting on the boat. (2) The pattern on which the hulls of small craft are molded in fiberglass.
POB - Persons on board.
Pod - A group of whales.
Sea cock A valve used to prevent water from entering at a through hull. Secure To make fast. To stow an object or tie it in place. Sheathing A covering to protect the bottom of a boat.
 See also: Hull, Point, Sailing, Boat, Block
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