To enter into the Extended Range course divers need to have Adv Nitrox and Decompression Procedures/Helitrox certification or equivalent.

The degree of task loading is increased during the Extended Range course, beyond the realms of prior technical training. The rigors associated with increasing depth, narcosis and time along with adding an additional stage bottle.

The Extended Range course is designed to develop technical diving skills beyond the scope of prior training, by continuing the cycle of problem solving scenarios, including multiple failures with the double set and two stage tanks. Divers will be using the double tank set up, with two stages now, rather than one.

Divers are trained in procedures necessary to safely dive to deeper depths on air and avoid the potential hazards.

General problem solving and advanced technical diving skills are refined further with a view to increasing range beyond the scope of prior training.

The maximum depth for the Extended Range course is 55 meters with limits on bottom times based on gas volume and cylinder pressure, combined with breathing rates and safe gas reserves.


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