Recreational
Commercial
Scientific
Military
→ Categories of diving
Recreational Diving
→ Hobby-type activity in which participation is based upon
personal enjoyment
Emile Gagnan and Jacques-Yves Cousteau
→ Inventors of modern scuba
Scuba
→ Self-contained underwater breathing app...
→ Dives less than 130 FSW on an open circuit scuba with a single
cylinder. Divers do not dive in overhead environments or past
their no-decompression limits.
International Training (ITI)
→ Parent organization for Scuba Diving International (SDI),
Technical Diving International (TDI), and Emergency Response
Diving International (ERDI).
Technical Diving International (TDI)
→ Formed in 1994 by the early nitrox pioneers to provide
recreational divers with the most accurate and up to date
information on diving tools and techniques.
Scuba Diving International (SDI)
→ Formed in 1998 from requests from TDI instructors and TDI dive
centers who were anxious to see the same type of clear,
practical, and no-nonsense approach introduced to the sport
diving arena. It was the first agency to mandate the use of
personal dive computers during all confined water and open
Master01 | September, 2024/2025 | Latest update
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