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Marines sometimes are thought by seamen to be rather gullible, hence the phrase "tell it to the marines", meaning that one does not believe what is being said. 2. An alternative term for a navy, uncommon in English but common in other languages. 3. Of or pertaining to the sea (e.g. marine biology, marine insurance, marine salvage). 4.
Typically used to assist in docking and undocking a boat, with its hook used to pull a boat towards a dock and the blunt end to push it away from a dock, as well as to reach into the water to help people catch buoys or other floating objects or to reach people in the water. boat keeper
A half tide dock is a partially tidal dock. Typically the dock is entered at high tide. Typically the dock is entered at high tide. As the tide ebbs a sill or weir prevents the level dropping below a certain point, meaning that the ships in the dock remain afloat, although they still rise and fall with the tides above this.
In nautical terms, the word sound is used to describe the process of determining the depth of water in a tank or under a ship. Tanks are sounded to determine if they are full (for cargo tanks) or empty (to determine if a ship has been holed) and for other reasons.
A ship's draft/draught is the "depth of the vessel below the waterline measured vertically to the lowest part of the hull, propellers, or other reference point". [1] That is, the draft or draught is the maximum depth of any part of the vessel, including appendages such as rudders, propellers and drop keels if deployed.
UKC = Charted Depth − Draft-/+ Height of Tide. Ship masters and deck officers can obtain the depth of water from Electronic navigational charts. [5] More dynamic or advanced calculations include safety margins for manoeuvring effects and squat. [7] Computer systems and software can be used to manage and calculate UKC for ships and ports.
Hydrostatic pressure due to depth in the water column. Hydrostatic pressure is linear with depth and increases at approximately 1 bar for every ten metres of depth. [1]: Ch 1.3 Temperature of the water and the air above it. Sea surface temperature can vary from a minimum of −2 °C (28 °F) to a maximum of about 32 °C (90 °F). Higher surface ...
In sailing and boating, a vessel's freeboard is the distance from the waterline to the upper deck level, measured at the lowest point of sheer where water can enter the boat or ship. [1] In commercial vessels, the latter criterion measured relative to the ship's load line , regardless of deck arrangements, is the mandated and regulated meaning.