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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 – 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 ...
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.
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; D. Diver rescue; E. Emergency air sharing; Emergency ascent; Emergency breathing gas sharing; Emergency buoyant ascent;
Assisted ascent – An emergency ascent during which the diver is provided with breathing gas by another diver; Association nationale des moniteurs de plongée – French recreational diver training and certification agency; Association of Offshore Diving Contractors (AODC) – Precursor to International Marine Contractors Association
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; D. DAN World; Decompression chamber operation; Decompression planning; Deep air diving blackout; Delta-P (hazard)