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The Professional Association of Diving Instructors (PADI) is a recreational diving membership and diver training organization founded in 1966 by John Cronin and Ralph Erickson. [2] PADI courses range from entry level to advanced recreational diver certification.
USA Diving also serves as a source of news, educational materials and media for both divers and diving coaches, providing information on all aspects of the sport. The organization's official publication, Inside USA Diving provides continuing information on major programs, events and diving news in quarterly magazine format.
Recreational diver course referral is a system intended to facilitate completion of training for open water recreational scuba diving students who intend to do their training dives at a place different from the venue for the theory and confined water training. Referral systems within a specific training agency were the original format, but as ...
The National Association of Underwater Instructors (NAUI Worldwide) is a nonprofit association of scuba instructors founded in 1960 by Albert Tillman and Neal Hess. [ 2 ] [ 3 ] NAUI primarily serves as a recreational dive certification and membership organization, providing international diver standards and education programs.
Nitrox and drysuit use, greater frequency of diving in the past year, increasing age, and years since certification were associated with lower risk, possibly as indicators of more extensive training and experience. [1] Statistics show diving fatalities comparable to motor vehicle accidents of 16.4 per 100,000 divers and 16 per 100,000 drivers.
For safety and efficiency, divers may need to communicate with others diving with them, or with their surface support team. The interface between air and water is an effective barrier to direct sound transmission, [9] and the natural water surface is also a barrier to visual communication across the interface due to internal reflection, particularly when not perfectly smooth.
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Participants in a PADI "Discover Scuba Diving" program should be at least 10 years old and should be able to swim. [9] The program includes a theory lesson and a confined water dive where basic diving skills are practiced. Afterwards, one or more directly supervised open water dives can be done to a maximum depth of 12 metres (39 ft).