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PSAI Training Courses

Advanced Nitrox and Decompression Procedures

The Professional Scuba Association International's Advanced Nitrox Diver course is designed for those divers who wish to utilise enriched air (Nitrox) at oxygen concentrations up to and including 100% by volume (EAN22 to Oxygen) in their diving activities including stage decompression procedures. This course involves limited decompression with one gas switch. It is highly recommended the Advanced Nitrox Diver candidates also take Narcosis Management - Level III in order to expand and enhance their ERD knowledge, skills and training, and to prepare them for required deco stops.

Extended Range Nitrox

PSAI's Extended Range Nitrox course is intended for the diver wishing to dive to depths between 46m and 55m with extended bottom times. Stage decompression techniques are taught as decompression obligations are incurred for the extended depths and bottom times. This course primarily utilises air as the bottom gas and nitrox and oxygen as decompression gases.

There is also an introduction to the use of Helium although the student will not be qualified to use Helium. This course may precede or be combined with Trimix Level 2 (Expedition) as a direct entry where there is documented proof of experience of Extended Range Nitrox Diving. This course may be undertaken in the equipment of choice based on prior qualification.

Trimix Level 1

This course provides the training required to competently and safely utilise breathing gases containing helium for dives that require staged decompression, utilising nitrox and/or oxygen mixtures during decompression to a maximum depth of 60 metres in conditions similar to or better than the assessment conditions. This course may be undertaken in the equipment of choice based on prior qualification.

Trimix Level 2

This additional experience level assesses the experience and performance of the Trimix Diver and following successful assessment dives to within 3 metres of a target depth may be awarded a rating maximum of 75 metres in conditions similar to or better than the assessment conditions. In cases where there is documented proof of prior experience the Professional Instructor may combine level 1 and 2. This may be undertaken in the equipment of choice based on prior qualification.

Trimix Level 3

This additional experience level assesses the experience and performance of the Level 2 Trimix Diver and following successful assessment dives to a maximum of 80 metres in Great Britain may be awarded a rating maximum of 100 metres in conditions similar to or better than the assessment conditions. Proof of successful involvement within the structure of well-run expeditions and an additional season's diving to build experience are typical of documented experience requirement. This may be undertaken in the equipment of choice based on prior qualification.

Closed Circuit Rebreather

Poseidon Discovery Mk VI and APD Inspiration and Evolution Rebreather Specific PSAI Courses guides the diver in very practical methods and techniques of the use of their specific rebreather for a variety of applications. The courses are based on the most up to date information and training techniques available.

This is an entry level certification course for qualified Advanced nitrox and Decompression Procedures divers wishing to utilise air diluent fixed and variable partial pressure oxygen closed circuit rebreathers.

The course is to a maximum depth of 40 metres without decompression techniques and 45 metres with prior decompression techniques skills. By virtue of the decompression procedures qualification decompression dives can be undertaken.

Mixed Gas Closed Rebreather

This is a progression level certification course for qualified rebreather divers wishing to utilise gases other than air or nitrox with a rebreather initially to 60 & 75 metres then to a maximum depth of 100 msw. The statements for Trimix Level 1, 2 and 3 will apply.

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