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freshwater at altitude so it has a lower density than seawater used for calculation of decompression tables. The amount of time the diver has spent acclimatising...

decompression from saturation, flying in an unpressurised aircraft at high altitude, and extravehicular activity from spacecraft. DCS and arterial gas embolism...

and diver training organization founded in 1966 by John Cronin and Ralph Erickson. PADI courses range from entry level to advanced recreational diver certification...

air Drysuit Diver – Certification for diving in a dry suit Altitude Diver – Diver qualification for the skills to decompress at altitude Underwater Navigation –...

breathing gas mix, the interval since the previous dive and the altitude of the dive site. The diver obtains the depth and duration of each stop from a dive computer...

cylinders containing breathing gas at high pressure which is supplied to the diver at ambient pressure through a diving regulator. They may include additional...

as part of the above certifications. Altitude diver - planning, procedures and equipment for diving at altitudes above 300 metres (1,000 ft) with reference...

decompression at altitude Altitude Diver – Diver qualification for the skills to decompress at altitude Altitude diving – Underwater diving at altitudes above 300...

technical diving certification level Altitude diver – Diver competent to plan decompression at altitude Autonomous diver – International minimum standard...

John Shaw (20 July 1954 – 8 January 2005) was an Australian scuba diver, technical diver, and airline pilot for Cathay Pacific, flying the Lockheed L-1011...

underwater diving using equipment supplied with breathing gas through a diver's umbilical from the surface, either from the shore or from a diving support...

its importance to the greater Urubamba-Vilcanota watershed. A high-altitude diver, Geoffrey Belter, died in 2014 while exploring the lake. An earthen...

shark's presence. One diver is dragged off by the shark while the second goes missing. The survivors search for the second diver and are attacked by the...

Diver training is the set of processes through which a person learns the necessary and desirable skills to safely dive underwater within the scope of...

diving there may be no team at all for a solo diver, a dive buddy is the default arrangement, a three diver team is fairly common for technical diving,...

diver in a range of standardised procedures and skills appropriate to the equipment the diver chooses to use and the environment in which the diver plans...

atmospheric pressure. Altitude decompression is hypobaric decompression which is the natural consequence of unprotected elevation to altitude, while other forms...

radius—especially the dense atmospheric layer at low altitudes—the Earth's gravitational acceleration as a function of altitude can be approximated as constant and contributes...

high altitude, where it causes altitude sickness leading to potentially fatal complications: high altitude pulmonary edema (HAPE) and high altitude cerebral...

with decompression computers to monitor the decompression status of the diver and record the dive profile. As a person breathes, the body consumes oxygen...