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[20] [28] [nb 4] [nb 5] The "Holy Grail" of deep scuba diving was the 300 metres (980 ft) mark, first achieved by John Bennett in 2001, and has only been achieved five times since. [citation needed] Due to the short bottom times and long decompression, scuba dives to these depths are generally only done for deep cave exploration or as record ...
Underwater diving. Underwater diving, as a human activity, is the practice of descending below the water's surface to interact with the environment. It is also often referred to as diving, an ambiguous term with several possible meanings, depending on context. Immersion in water and exposure to high ambient pressure have physiological effects ...
BSAC - British Sub Aqua Club – Recreational diving club, training and certification agency based in the UK. PADI TecRec (DSAT) - Professional Association of Diving Instructors – Recreational diver training and certification agency. GUE - Global Underwater Explorers – Recreational/technical scuba training and certification agency.
Underwater video is an scuba-based underwater sport governed by CMAS where teams of competitors using digital underwater video systems all dive at the same saltwater ocean sites at the same time over a two-day period. The submitted digital video are then assessed and ranked by a jury. [22] [23]
The combined contribution of recreational scuba diving and snorkeling to the US gross domestic product was estimated at $11 billion in a 2019 report by the Diving Equipment and Marketing Association. [48] Scuba diving tourism is the industry based on servicing the requirements of recreational divers at destinations other than where they live.
The action/adventure movie Thunderball, which used both sorts of open-circuit scuba, was released and helped make single-hose regulators popular. [132] 1966: Professional Association of Diving Instructors (PADI) was founded by John Cronin and Ralph Erickson. [133] 1968: An excursion dive to 1025 fsw was made from a saturation depth of 825 fsw ...