Photo by Mikhail Vedyokhin · CC BY-SA 2.5
Rebreather Cavern Diver
This course develops minimum skills for rebreather diving in cavern and overhead environments within the light zone. Students learn planning, procedures, techniques, and hazards specific to rebreather cavern diving. This is the entry-level rebreather overhead certification and foundation for advancing to cave diving.
Prerequisites
Minimum age 18; TDI Air Diluent CCR Diver or equivalent; minimum 25 logged dives and 25 hours on the specific rebreather unit.
Standards
What a diver must demonstrate to pass this course — not always published by the certifying agency.
Students must perform all land drills and rebreather cavern dive requirements safely and efficiently. Diver carries adequate bailout, maintains continuous guideline, stays within 60m/200ft linear distance and 30m/100ft depth maximum with no decompression diving.
No instructors or dive centres found offering this course.
We're still building out the directory country by country, so this list isn't every instructor or dive centre teaching it in the world — more locations are coming soon.
Common questions about TDI Rebreather Cavern Diver
What are the prerequisites for TDI Rebreather Cavern Diver?
TDI's standards require: Minimum age 18; TDI Air Diluent CCR Diver or equivalent; minimum 25 logged dives and 25 hours on the specific rebreather unit.
What is the minimum age for TDI Rebreather Cavern Diver?
TDI's standards state: Minimum age 18.
How many dives do I need before starting TDI Rebreather Cavern Diver?
TDI's standards state: Minimum 25 logged dives and 25 hours on the specific rebreather unit.
What does TDI Rebreather Cavern Diver training involve?
According to TDI's published standards: Students must perform all land drills and rebreather cavern dive requirements safely and efficiently. Diver carries adequate bailout, maintains continuous guideline, stays within 60m/200ft linear distance and 30m/100ft depth maximum with no decompression diving.