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The PADI recreational dive planner, in "Wheel" format. The Recreational Dive Planner (or RDP) is a decompression table in which no-stop time underwater is calculated. [1] The RDP was developed by DSAT and was the first dive table developed exclusively for no-stop recreational diving. [2]
Scuba diving education levels as used by ISO, PADI, CMAS, SSI and NAUI This class of certification covers competence to dive within the scope of what is generally considered recreational open water diving , with no planned decompression obligations, a single air or nitrox breathing gas and relying on the buddy system or a dive leader for ...
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.
Buddy checks may be extended to include aspects of dive planning, to ensure that the divers are agreed on the intended activity and contingency plans. When larger groups and more complex dive plans are involved this would be considered part of the dive briefing. Risk assessment update; Emergency plans; Contingency plans
The "standard" mixes evolved because of three coinciding factors — the desire to keep the equivalent narcotic depth (END) of the mix at approximately 34 metres (112 ft), the requirement to keep the partial pressure of oxygen at 1.4 ATA or below at the deepest point of the dive, and the fact that many dive shops stored standard 32% nitrox in ...
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Scuba diving education levels as used by ISO, PADI, CMAS, SSI and NAUI. Before initial diver training and thereafter at regular intervals, a diver should undergo a fitness to dive examination by a diving doctor. In some countries, such an examination is required by law and is a prerequisite for any training in many diving schools.
A dive computer, personal decompression computer or decompression meter is a device used by an underwater diver to measure the elapsed time and depth during a dive and use this data to calculate and display an ascent profile which, according to the programmed decompression algorithm, will give a low risk of decompression sickness.