Advanced Mixed Gas CCR Diver

11/12/2019 @ 9:00 AM – 15/12/2019 @ 5:00 PM
National Diving & Activity Centre (NDAC)
A48, Tidenham, Chepstow NP16 7LH

Description:Cost: £500 – Places: 2
Further details:

You will learn to use diluent gas mixes of less than 18 per cent oxygen and more than 35 per cent helium to minimise the narcosis you would otherwise suffer at depth. You will learn to plan and conduct dives to 80m, manage increasingly long run times and extend your practical diving skills to managing two or more stage cylinders.

You will develop your knowledge of deep mixed-gas CCR diving, including:

Advanced diving physiology
Advanced decompression theory
Practical diving techniques, including using decompression systems suitable for expedition team diving.
Deep dive planning including gas choices, gas-loss management and run-time schedules.
The Advanced Mixed Gas CCR Diver (80m) course includes seven theory sessions and a theory assessment, a dry practical session on kit preparation. One or more sheltered-water lessons will cover drills and skills. Then you will spend at least 300 minutes on five open-water training dives, to give ensure you have plenty of in-water time to practise the skills and discipline needed to carry out deeper mixed-gas CCR diving.

If you have a mixed-gas qualification as listed above, some of the theory sessions and open-water dives may not be necessary, depending on your level of deep-diving experience and familiarity with the dive kit appropriate for an 80m dive.

This is a continually assessed course during which students must reach the required performance standards.

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