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The snagboat Montgomery on the Apalachicola River, Florida, during the early 1900s.. A snagboat is a river boat, resembling a barge with superstructure for crew accommodations, and deck-mounted cranes and hoists for removing snags and other obstructions from rivers and other shallow waterways.
The frame is designed to support different types of equipment, including bucket dredges as well as the snag boom. The boom is maneuvered by steam-powered winches, and there are steam-powered capstans to assist in stabilize the boat while snagging. The pilot house is set on a deck above the boilers. [3]
The Diver Life Raft and Surf Shuttle are inflatable safety devices for diving where currents or distance could create a life-threatening situation if the diver is separated from the dive boat. They are intended as flotation aids for lost divers or those facing long surface swims. [ 70 ]
Modern sucker gigging uses specially constructed jon boats that have a set of lights mounted on the bow of the boat and a railing around the bow that allows the "gigger" to stand up and peer out in front of the boat in an attempt to locate and gig fish. [3] The lighting system is often powered by gas, a generator, or a battery. A fish gig
In 1908 she was joined by a snag scow, Tackle (30 GRT, 64 x 28 x 3.5), which was designed to operate in much shallower waters. [4] [5] She retired in 1921 after the completion of her replacement, Bear (242 GRT), and was converted into a quarter boat. [1] Her steam engine was utilized in the snagboat Yuba (410 GRT) built in 1925. [6]
Cave diving guide line reel. A distance line, penetration line, cave line, wreck line or guide line is an item of diving equipment used by scuba divers as a means of returning to a safe starting point in conditions of low visibility, water currents or where pilotage is difficult.
Swimfins, swim fins, diving fins, or flippers are finlike accessories worn on the feet, legs or hands [1] and made from rubber, plastic, carbon fiber or combinations of these materials, to aid movement through the water in water sports activities such as swimming, bodyboarding, bodysurfing, float-tube fishing, kneeboarding, riverboarding, scuba ...
The DIR diving philosophy considers unsafe any attachment of the diver to equipment or objects which end above the water surface in waters where boats may operate, due to high risk associated with snagging the object on a boat and dragging the diver upwards in spite of their decompression obligation or maximum ascent speed limit. [11]