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Scuba diver of the late 1960s. The history of scuba diving is closely linked with the history of the equipment.By the turn of the twentieth century, two basic architectures for underwater breathing apparatus had been pioneered; open-circuit surface supplied equipment where the diver's exhaled gas is vented directly into the water, and closed-circuit breathing apparatus where the diver's carbon ...
GUE - Global Underwater Explorers – Recreational/technical scuba training and certification agency; IANTD - International Association of Nitrox and Technical Divers – Recreational and technical scuba training and certification agency CMAS code INT/F01 [2] [8] IART - International Association of Rebreather Trainers [8]
Illustration of an occupied diving bell.. The diving bell is one of the earliest types of equipment for underwater work and exploration. [10] Its use was first described by Aristotle in the 4th century BC: "...they enable the divers to respire equally well by letting down a cauldron, for this does not fill with water, but retains the air, for it is forced straight down into the water."
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.
ISO 11121 introductory training programs to scuba diving. (PADI equivalent – Discover Scuba Diving) Most PADI training programs are not directly covered by ISO standards. PADI is a member of the following member councils of the World Recreational Scuba Training Council – the RSTC Canada, the RSTC Europe and the C-Card Council (Japan).
SSI was founded by Robert Clark in 1970. [2] SSI headquarters was in Fort Collins, Colorado, and it is owned by Concept Systems International, Inc.In 2008, it was acquired by Doug McNeese, owner of the National Association of Scuba Diving Schools (USA) until its merger with SSI in 1999, and Robert Stoss, manager of Scubapro and Seemann Sub.
The ADCI was first established in 1968 by a number of small diving companies, contractors and professionals of underwater operations. Officially chartered in 1970, Its goal was to promote industry standards, safety practices, and education within the diving community. [2]
The entry requirements for diver training depend on the specific training involved, but generally include medical fitness to dive. Fitness to dive, (also medical fitness to dive), is the medical and physical suitability of a diver to function safely in the underwater environment using underwater diving equipment and procedures.