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Underwater Search And Recovery
Underwater search and recovery is the process of locating and recovering underwater objects, often by divers, but also by the use of submersibles, remotely operated vehicles and electronic equipment on surface vessels. Most underwater search and recovery is done by professional divers as part of commercial marine salvage operations, military operations, emergency services, or law enforcement activities. Minor aspects of search and recovery are also considered within the scope of recreational diving. Professional search and recovery The scope of professional search and recovery includes the following applications: *Marine archeology - search for artifacts of historical interest and importance, and where applicable the recovery of such artifacts for study. *Marine salvage - search for lost material of value and recovery thereof *Environmental protection - search for environmentally undesirable material and disposal thereof *Forensic S&R - search for and recovery of material r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nesconset FD Scuba Rescue Team 18346 1187699057887 6321194 N
Nesconset is a hamlet and census-designated place (CDP) in the town of Smithtown, located in Suffolk County, Long Island, New York, United States. The population was 13,387 at the 2010 census. Geography Nesconset is located at (40.846090, -73.150573). According to the United States Census Bureau, the CDP has a total area of , all land. Demographics of the CDP As of the census of 2000, there were 11,992 people, 3,964 households, and 3,226 families residing in the CDP. The population density was 3,133.5 per square mile (1,208.9/km2). There were 4,227 housing units at an average density of 1,104.5/sq mi (426.1/km2). The racial makeup of the CDP was 94.37% White, 0.96% African American, 0.11% Native American, 3.11% Asian, 0.07% Pacific Islander, 0.57% from other races, and 0.82% from two or more races. Hispanic or Latino of any race were 3.36% of the population. There were 3,964 households, out of which 39.7% had children under the age of 18 living with them, 71.5% were m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Circular Search
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 and cadaver dogs. A search method attempts to provide full coverage of the search area. This is greatly influenced by the width of the sweep, which largely depends on the method used to detect the target. For divers in conditions of zero visibility, this is as far as the diver can feel with their hands while proceeding along the pattern. When visibility is better, it depends on the distance at which the target can be seen from the pattern, or detected by sonar or magnetic field anomalies. In all cases, the search pattern should completely cover the search area without excessive redundancy or missed areas. Overlap is needed to compensate for ina ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paravane (water Kite)
The paravane is a towed winged (hydrofoiled) underwater object—a water kite. Paravanes have been used in sport or commercial fishing, marine exploration and industry, sports and military. The wings of paravanes are sometimes in a fixed position, else positioned remotely or by actions of a human pilot. Pioneer parafoil developer Domina Jalbert considered water kites hardly different from air kites. However, paravanes generally orient themselves in respect to the water surface. They may have sensors that record or transmit data or be used entirely for generating a holding force like a sea anchor does. While a sea-anchor allows a vessel to drift more slowly downwind, the paravane travels sideways at several times the downwind speed. Paravanes are, like air kites, often symmetrical in one axis and travel in two directions, the change being effected by gybing, shunting, or flipping over. Military applications The paravane weapon was developed by the British inventor Sir Denn ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dragline (search)
A dragline excavator is a piece of heavy equipment used in civil engineering and surface mining. Draglines fall into two broad categories: those that are based on standard, lifting cranes, and the heavy units which have to be built on-site. Most crawler cranes, with an added winch drum on the front, can act as a dragline. These units (like other cranes) are designed to be dismantled and transported over the road on flatbed trailers. Draglines used in civil engineering are almost always of this smaller, crane type. These are used for road construction, road, port construction, pond and canal dredging, and as Deep foundation, pile driving rigs. These types are built by crane manufacturers such as Link-Belt Construction Equipment, Link-Belt and Hyster Company, Hyster. The much larger type which is built on site is commonly used in Strip mining, strip-mining operations to remove overburden above coal and more recently for oil sands mining. The largest heavy draglines are among the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
