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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;
A list of contact numbers, call codes and frequencies for local emergency services. How to reach the nearest suitable emergency medical facility from the site. Where a duty of care exists between an employer and employees or a service provider and clients this may include an obligation to plan to deal with reasonably foreseeable emergencies.
Controlled emergency swimming ascent; D. DAN World; Decompression chamber operation; Decompression planning; Deep air diving blackout; Delta-P (hazard)
The procedures are intended to limit risk of barotrauma of ascent and decompression sickness, while maintaining an efficient ascent profile. One of the most important criteria for a controlled ascent is control of the ascent rate, both during the periods of active ascent (pulls), and periods of staged decompression (stops). [5]
Controlled emergency swimming ascent – Ascent where there may be a small amount of breathing gas which becomes available due to ambient pressure reduction. Cut free from entanglement. Ditch weights to establish buoyancy – Removal of some or all ballast weights to establish neutral or positive buoyancy underwater, or to establish positive ...
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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