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Emergency free ascent (EFA) is like a controlled emergency swimming ascent without a regulator in the mouth. It is considered unacceptably hazardous for training purposes by some agencies. [6] [7] Emergency swimming ascent (ESA) is a free ascent where the diver swims to the surface at either negative or approximately neutral buoyancy.
Controlled emergency swimming ascent; D. Diver rescue; E. Emergency air sharing; Emergency ascent; Emergency breathing gas sharing; Emergency buoyant ascent;
When no redundant air supply is available, the diver can make a controlled emergency swimming ascent. The diver starts to swim up exhaling steadily along the ascent unless trying to inhale. The mouthpiece is kept in as the cylinder still contains some air and it will become available as the ambient pressure decreases.
Lost weights ascent with flare – Mitigation of an incident where the diver cannot neutralise positive buoyancy. Controlled buoyant emergency ascent – Fine control of buoyancy to ascend at an acceptably safe rate. Emergency swimming ascents – Emergency ascent where the diver actively swims upward at approximately neutral buoyancy.
Emergency procedure – Plan of action to deal with an emergency; Emergency Response Diving International (ERDI) – American organisation for training and certification of emergency response divers; Emergency response plan – Action to be taken in specific emergencies; Emergency swimming ascent (ESA) – Emergency procedure used by scuba divers
Controlled emergency swimming ascent (CESA) – Emergency procedure for scuba divers when out of air; Coral reef – Outcrop of rock in the sea formed by the growth and deposit of stony coral skeletons; Coral Reef Alliance – Non-profit, environmental NGO focused on protecting coral reefs
AMSTERDAM (Reuters) -The head of the chemical weapons watchdog said on Thursday he would ask Syria's new leaders to grant investigators access to the country to continue work identifying ...
Controlled emergency swimming ascent; D. DAN World; Decompression chamber operation; Decompression planning; Deep air diving blackout; Delta-P (hazard)