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It has been shown to occur in excursions of as little as 30 minutes though it has been unclear how long it takes for symptoms to occur. [7] The most commonly reported inciting event was a prolonged ocean cruise (~45%); however, shorter boating excursions (~22%), aircraft travel (~15%), and automobile travel (~8%) have all been described.
News reports of great white sharks, eels, or other dangerous sea predators attacking swimmers in the ocean induce fear in viewers and are thought to have great influence. [12] Similarly, real cases of ships like the Titanic sinking with their passengers drowning have been made terrifyingly realistic through their movie versions. People who are ...
Joint pain ("the bends") accounts for about 60% to 70% of all altitude DCS cases, with the shoulder being the most common site for altitude and bounce diving, and the knees and hip joints for saturation and compressed air work. [10] Neurological symptoms are present in 10% to 15% of DCS cases with headache and visual disturbances being the most ...
binnacle list A ship's sick list. The list of men unable to report for duty was given to the officer or mate of the watch by the ship's surgeon. The list was kept at the binnacle. bird farm United States Navy slang for an aircraft carrier. bite Verb used in reference to a rudder, as in "the rudder begins to bite". When a vessel has steerageway ...
For similar lists of 'miscellaneous' ships see. List of auxiliaries of the United States Navy § Miscellaneous ships (AG, T-AG) and. List of unclassified miscellaneous vessels of the United States Navy (IX) Tatoosh [2] YAG-2, lost due to enemy action in the Philippines [1] [3] YAG-3, lost due to enemy action in the Philippines [4]
The Admiralty Yard Craft Service was the civilian service which operated auxiliary vessels for the British Admiralty, mainly in HM Dockyards or the vicinity. It was renamed the Port Auxiliary Service (PAS) on 1 October 1958 and the Royal Maritime Auxiliary Service in 1976. The service operated tugs, harbour ferries, launches, and lighters.
Some examples of marine structures include ships, offshore platforms, moorings, pipelines, cables, wharves, bridges, tunnels, breakwaters and docks. Marine construction may require diving work, but professional diving is expensive and dangerous, and may involve relatively high risk, and the types of tools and equipment that can both function ...
Before steam tugs became common, sailing vessels would back and fill their sails to maintain a good position in a tidal stream while drifting with the tide in or out of a river. In a modern yacht, motor-sailing – travelling under the power of both sails and engine – is a common method of making progress, if only in and out of harbour.