This is the second level certification course for divers wishing to utilize a Closed Circuit Rebreather (CCR) for mixed gas diving using a Helitrox Diluent. The objective of the course is to train divers in the benefits, hazards and proper procedures for diving a CCR and to develop basic CCR diving skills, to a maximum of 45 metres/150 feet, using an air/nitrox/helium diluent for formal decompression diving. Students are permitted to utilize a diluent and bailout mix with no greater than a 35% helium content and no less than a 21% oxygen content, and are permitted to use up to 100% oxygen for decompression.
The Diving Rebreathers Student Manual and the manufacturer’s manual are mandatory for use during this course but instructors may use any additional text or materials that they feel help present these topics. The following topics must be covered during the course:
All standards set by both the training agency and the rebreather manufacturer must be met, while maximum limits of neither may be exceeded.
The following open water skills must be completed by the student during open-water dives with the following course limits:
Upon successful completion of this course, graduates may engage in decompression diving activities utilizing a CCR without direct supervision provided:
Upon successful completion of this course, graduates are qualified to enroll in:
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