TDI Rebreather Full Cave Diver


This course is the third stage of training in the series of TDI’s Rebreather Cave Diver development program. Advanced rebreather cave dive planning, the practical execution of different types of cave systems and scenarios divers encounter are presented. This rebreather cave diving course is not intended to prepare divers for evaluating all facets of cave diving. The objective of this course is to expand and critique previous skills accomplished in the TDI Rebreather Cavern Diver and Rebreather Intro to Cave programs. Emphasis is placed upon dive planning and skill perfection through actual cave penetration.



Class Duration

1. The suggested number of classroom and briefing hours is 6 

2. Course must be taught in no less than 4 days 

3. The combined Rebreather Cavern, Intro and Full Cave course must be taught
in no less than 7 days



Course Structure

Water Execution 

1. Six cave dives are required with a minimum accumulated bottom time of 420 minutes at 3 different sites 

2. At least 1 of these sites should be a location not utilized in training during the cavern or introductory cave courses 

3. At least 2 dives must be at least 75 minutes long



Student Prerequisites

1. Minimum age 18 

2. Certified TDI CCR Air Diluent Decompression Procedures Diver
certification or equivalent 

3. Provide proof of certification as a: 

    a. TDI Rebreather Intro to Cave or equivalent 


    b. TDI Full Cave Diver or equivalent 

4. Provide proof of a minimum of 50 logged dives and 50 hours on the
rebreather unit used 



Required Equipment:  

The following equipment is required for this course:

1. A complete TDI approved rebreather 

2. At least one rebreather enabled computer capable of monitoring PO2, and a redundant means of monitoring PO2. Redundant devices

    may either be an enabled computer or HUD. (Any modifications to the unit must be approved by the manufacturer) 

3. Off board bailout cylinder(s) – volume appropriate for planned dive 

4. Bailout regulator(s) equipped with pressure gauge and low pressure off board (quick connect) gas supply hose. 

5. Buoyancy compensator device (BCD) with power inflator 

6. Exposure suit adequate for diving environment 

7. Access to an oxygen analyzer (instructor may supply) 

8. Mask and fins
9. Minimum of 2 cutting devices 

10. Slate and pencil 

11. Three battery powered lights; 1 primary and 2 back-ups, each with a with
burn time suitable for the planned dive time 

12. Safety reel with a minimum of 37 metres / 125 feet of guideline 

13. Gap reel with 15 metres / 50 feet of guideline
14. One primary cave-diving reel with length appropriate for intended dive

15. Computer, watch or bottom timer and depth gauge 

16. Slate or wet notes with a pencil 

17. Submersible dive tables or backup dive computer 

18. Three directional line arrows 

19. Three non-directional marker 

20. Any staged decompression cylinders must be properly labeled

Note: The instructor and any certified assistant will also carry a bailout gas supply during all open water sessions. This redundant gas source must be greater than the instructor and any certified assistant’s bailout requirements.

Total  Cost: Call For Pricing

Rental of a rebreather is available upon request.

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