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Diver down flag being flown on a dive ship. The use of the red and white flag, which was created in the early 1950s by Navy veteran Denzel James "Doc" Dockery of Michigan, and popularized by Ted Nixon of US Divers, [4] is required by law or regulation in many US states, Canada, [5] and some other countries (e.g. Italy). [6]
A surface marker buoy, SMB, dive float or simply a blob is a buoy used by scuba divers, at the end of a line from the diver, intended to indicate the diver's position to people at the surface while the diver is underwater.
An anchor may be used to moor the boat during the dive, or if conditions allow, it may be towed as a large surface marker buoy. Safety equipment may be required by legislation. This may include lifejacket or personal buoyancy aid, dive flag, flares, water bottle, mirror, whistle, an EPIRB or PLB locator beacon or hand held VHF radio..
Marker buoys, used in naval warfare (particularly anti-submarine warfare) emit light and/or smoke using pyrotechnic devices to create the flare and smoke. Commonly 3 inches (76 mm) in diameter and about 20 inches (500 mm) long, they are activated by contact with seawater and float on the surface.
dive flag Flag used to indicate that there are divers in the water. There are two versions: the international code letter flag 'Alpha', , and the red flag with white diagonal bar, . dive ladder diver ladder. See: Human factors in diving equipment design#Diver ladders
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More than 10,000 athletes sailed across the Seine River in a 3.5-mile parade Friday, kicking off the 2024 Paris Games with a spectacular open-air ceremony that showed off the exuberance of this ...
A diver down flag, or scuba flag, is a flag used on the water to indicate that there is a diver below. Two styles of flag are in use. Internationally, the code flag "alpha", which has a white hoist and blue swallowtail fly, is used to signal that the vessel has a diver down and other vessels should keep well clear at slow speed. [56]
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