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Underwater searches are procedures to find a known or suspected target object or objects in a specified search area under water. They may be carried out underwater by divers, manned submersibles , remotely operated underwater vehicles , or autonomous underwater vehicles , or from the surface by other agents, including surface vessels, aircraft ...
Public safety diving team members bring in a casualty Controlling an underwater search from the jetty. Underwater search and recovery is the process of locating and recovering underwater objects, often by divers, [1] but also by the use of submersibles, remotely operated vehicles and electronic equipment on surface vessels.
Water surface searches are procedures carried out on or over the surface of a body of water with the purpose of finding lost vessels, persons, or floating objects, which may use one or more of a variety of search patterns depending on the target of the search, as the direction and rate of drift vary depending on the characteristics of the target and the water and weather conditions at the time.
Romeo told CNN recently that he was surprised the object wasn’t at least a different plane or a man-made object. “Talk about the cruelest formation ever created by nature,” he said.
Sonar (sound navigation and ranging or sonic navigation and ranging) [2] is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, measure distances , communicate with or detect objects on or under the surface of the water, such as other vessels. [3]
DSV Alvin, a crewed submersible, much used for underwater exploration. Underwater exploration is the exploration of any underwater environment, either by direct observation by the explorer, or by remote observation and measurement under the direction of the investigators. Systematic, targeted exploration is the most effective method to increase ...
SM2000 (Underwater Surveillance System), a search sonar made by Kongsberg Maritime. An underwater warning loudspeaker. An underwater shockwave emitter that can force divers to surface, or stun or kill them. The US Coast Guard calls it an "nonlethal interdiction acoustic impulse". It can track underwater objects, similarly to an air traffic ...
[15] "Underwater photogrammetry is a good alternative to traditional archaeological excavations, which are often less accurate and very destructive to underwater artifacts, furthermore the photogrammetric principles applied with the Remotely Operated Vehicles allows us to explore objects that are at very great depths."