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  2. List of diver certification organizations - Wikipedia

    en.wikipedia.org/wiki/List_of_diver...

    Pure Apnea - Specialising in both sports and recreational freediving. Currently the only freedive education system separating competitive from recreational freediving (www.pureapnea.com) ProTec - Professional Technical and Recreational Diving – Diver certification agency, Apnoea division CMAS code INT/F08 [2]

  3. National Association of Underwater Instructors - Wikipedia

    en.wikipedia.org/wiki/National_Association_of...

    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.

  4. Diver certification - Wikipedia

    en.wikipedia.org/wiki/Diver_certification

    The Diving Certification model originated at Scripps Institution of Oceanography (SIO) in 1952 after two divers died whilst using university-owned equipment. [3] The then President of the University of California, Robert Gordon Sproul, restricted diving to those who had been trained through the program at SIO and thus "certification" was born.

  5. Constant weight without fins - Wikipedia

    en.wikipedia.org/wiki/Constant_Weight_without_fins

    The freediving breaststroke technique used for CNF dives. Constant weight without fins (CNF) is an AIDA International (International Association for Development of Apnea) freediving discipline in which the freediver descends and ascends by swimming without the use of fins or without pulling on the rope or changing his or her ballast; only a single hold of the rope to stop the descent and to ...

  6. Diving Unlimited International - Wikipedia

    en.wikipedia.org/wiki/Diving_Unlimited_International

    Diving Unlimited International (DUI) is an American diving equipment designer and manufacturer. DUI is particularly well known among recreational and technical divers as the maker of high-end dry suits. [1]

  7. Recreational diver training - Wikipedia

    en.wikipedia.org/wiki/Recreational_diver_training

    Scuba diving education levels as used by ISO, PADI, CMAS, SSI and NAUI Basic diving skills training in a swimming pool. Recreational diver training is the process of developing knowledge and understanding of the basic principles, and the skills and procedures for the use of scuba equipment so that the diver is able to dive for recreational purposes with acceptable risk using the type of ...

  8. American Academy of Underwater Sciences - Wikipedia

    en.wikipedia.org/wiki/American_Academy_of...

    The mission of the AAUS is to facilitate the development of safe and productive scientific divers through education, research, advocacy, and the advancement of standards for scientific diving practices, certifications, and operations.

  9. Mystic-class deep-submergence rescue vehicle - Wikipedia

    en.wikipedia.org/wiki/Mystic-class_deep...

    DSRV-1 was launched in San Diego, California, on 24 January 1970. Testing culminated in an operational evaluation that saw a complete, simulated submarine rescue mission. DSRV-1 was named Mystic during Fleet Acceptance Ceremonies in 1977. The second, and final, vessel in the class, DSRV-2, was subsequently launched and named Avalon.