CCR Full Cave course TDI
CCR Full Cave Course TDI diver level development program utilising closed circuit rebreathers, manual or electronic. This CCR Cave Diver Level directly builds upon the CCR Intro Cave Diver course.

Advanced cave dive planning, the practical execution of different types of cave systems and scenarios divers encounter are presented.
Emphasis is placed upon dive planning and skill perfection through actual cave penetration. This course is conducted over 4 full days (full cave CCR can also be combined with the TDI CCR cavern and The TDI CCR intro cave course)
The TDI Rebreather Full Cave Diver Course takes an in-depth look at all of the following and more:
- Policies for rebreather cavern diving
Psychological considerations
Equipment considerationsBailout cylinder options
Rebreather configuration options
Scrubber options
Buoyancy compensator device (BCD) / harness options
Reel options
Proper weighting
Equipment configurations
CommunicationHand signals
Light signals
Touch contact signals
Swimming techniquesBody posture / trim
Buoyancy control and rebreather weighting
Line following techniques
Propulsion techniques
PhysiologyBreathing techniques
Stress management
Cave environmentGeology
Local access requirements
Land owner relations
Conservation
Problem solvingEquipment failure
Silting conditions
Accident analysis
Review of dive tables and decompression theory
Cavern diving with Open Circuit (OC) diversBailout configuration requirements
Out of gas emergencies
Cavern diving etiquette
Student Prerequisites
- Be a minimum age of eighteen (18)
- Show proof of a minimum certification of TDI CCR MOD II air diluent decompression Diver or equivalent.
- Certified CCR Intro Cave diver or equivalent.
OR
- Be a minimum age of eighteen (18).
- Hold Open Circuit Full Cave diver from a recognized agency.
Rebreather Units the CCR Full Cave course can be done on, are for example: Megalodon, JJ CCR, Inspiration CCR’s – Pathfinder, MKVI and Se7en, Revo or the Triton
EQUIPMENT REQUIREMENTS | ALL CCR COURSES |
---|---|
During a mixed gas course you will need more Stage regs | |
Mask + Back-up mask | BCD (wing) and harness |
Depth gauge/trimix computer | Timing device and backup timing device |
Appropriate exposure suit | Knife/cutting device and backup |
Two inflatable signal tubes | Reel and spool |
Slate and backup slate | Compass |
1 Stage bailout / decompression Regulators with SPG (Nitrox clean) | 1 Stage bailout / Decompression cylinder with suitable rigging to mount to the diver with appropriate gas |
Factory supplied Closed Circuit Rebreather unit specific | Storage pockets |
Torch and Back-up torches (Trimix Diving, Wreck diving and cave diving courses) | Hood - for Cave, Deep and Wreck Diving |

