AIR DILUENT CCR DECOMPRESSION DIVER

This is the second level certification course for divers wishing to utilize a closed circuit rebreather (CCR) for air diving. 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 depth of 45 metres using an air diluent for formal decompression diving.

Student Prerequisites
1. Minimum age 18
2. Provide proof of 50 logged dives
3. Provide proof of TDI Advanced Nitrox Diver and Deco Procedures Diver or equivalent from agencies recognized by TDI
OR
1. Minimum age 18
2. TDI Air Diluent CCR Diver certified or equivalent
3. 30 hours on the CCR unit
4. Six months CCR diving experienc

Course Structure and Duration
Confined Water Execution
1. Minimum of 60 minutes confined water training to a maximum of 9 metres
2. Open water execution
3. Minimum of 420 minutes open water training, to be completed over a minimum of 7 dives with a gradual increase in depth each day to a maximum of 45 metres

Qualifications of Graduates
Upon successful completion of this course, graduates may engage in decompression diving activities utilizing a CCR without direct supervision provided:
1. The diving activities approximate those of training
2. The areas of activities approximate those of training
3. Environmental conditions approximate those of training

Upon successful completion of this course, graduates are qualified to enroll in:
1. TDI Mixed Gas CCR unit specific course
2. TDI Advanced Wreck Cours