![]() ![]() ![]() In professional diving, a depth that requires special equipment, procedures, or advanced training may be considered a deep dive.ĭeep diving can mean something else in the commercial diving field. In technical diving, a depth below about 60 metres (200 ft) where hypoxic breathing gas becomes necessary to avoid oxygen toxicity may be considered a deep dive. ![]() However, the Professional Association of Diving Instructors (PADI) defines anything from 18 to 30 metres (59 to 98 ft) as a "deep dive" in the context of recreational diving (other diving organisations vary), and considers deep diving a form of technical diving. Nitrogen narcosis becomes a hazard below 30 metres (98 ft) and hypoxic breathing gas is required below 60 metres (200 ft) to lessen the risk of oxygen toxicity.įor some recreational diving agencies, "Deep diving", or "Deep diver" may be a certification awarded to divers that have been trained to dive to a specified depth range, generally deeper than 30 metres (98 ft). In some cases this is a prescribed limit established by an authority, while in others it is associated with a level of certification or training, and it may vary depending on whether the diving is recreational, technical or commercial. Scuba diver using a rebreather with open circuit bailout cylinders returning from a 600-foot (180 m) dive.ĭeep diving is underwater diving to a depth beyond the norm accepted by the associated community. ![]()
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