Intro To Cave


Qualifications of Graduates Upon successful completion of this course, graduates may engage in single guideline cave diving activities without direct supervision provided the graduates adhere to the following limits: 

1. Penetration is limited to1/3 of a single diving cylinder or 1/6th if using double cylinders 

2. 40 metres / 130 feet maximum depth 

3. No decompression diving 

4. Maintain a continuous guideline 

5. Proper cave diving equipment is used 

Upon successful completion of this course, graduates are qualified to enroll in: 

1. TDI Cave course 

Course Structure and Duration 

Water Execution 

1. Minimum of 4 single guideline cave dives with a total bottom time of 100 minutes conducted at 2 different sites 


1. The minimum number of classroom and briefing hours is 4 

2. Course must be taught over 2 days 

3. If this course is combined with a cavern diver course, a minimum of 3 days, 8 dives and 180 bottom time minutes is required 

The following equipment is required for each student: 

1. Primary cylinder(s); volume appropriate for planned dive and student gas consumption 

2. Dual-orifice (Y) or (H) closed valve or dual valve manifold 

3. Two independent first and second stage regulators; one regulator equipped with a long hose at a recommended minimum length of 2 metres / 7 feet 

4. Submersible pressure gauge 

5. Buoyancy compensator device (BCD) with power inflator 

6. Exposure suit adequate for diving environment 

7. Mask and fins, NO snorkel 

8. Line cutting device 

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

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

11. One primary cave-diving reel with length appropriate for intended dive 

12. Computer, watch or bottom timer and depth gauge 

13. Slate or wet notes with a pencil 

14. Submersible dive tables or backup dive computer 

15. Three directional line arrows 

Student Prerequisites 

1. Minimum age 18, 15 with parental consent 

2. Provide proof of certification as a TDI Cavern Diver or equivalent



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