Semi-Closed Rebreather Diver (Dolphin)
This is the Dolphin-specific version of TDI's semi-closed rebreather entry-level course. Students learn Dolphin unit operation, maintenance, gas management on SCR, and unit-specific emergency procedures. Entry rebreather certification offering extended bottom time versus open circuit while introducing rebreather basics.
Prerequisites
Minimum age 18; TDI Nitrox Diver or current enrollment in Nitrox course (or equivalent).
Standards
What a diver must demonstrate to pass this course — not always published by the certifying agency.
Minimum dives and bottom time per TDI SCR standards for Dolphin unit. Maximum depth 40m/130ft, no decompression diving. Demonstrate Dolphin-specific operation, gas management, and emergency procedures.
Instructors Teaching This Course
Dive Centres Offering This Course
Philippines
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 Semi-Closed Rebreather Diver (Dolphin)
What are the prerequisites for TDI Semi-Closed Rebreather Diver (Dolphin)?
TDI's standards require: Minimum age 18; TDI Nitrox Diver or current enrollment in Nitrox course (or equivalent).
What is the minimum age for TDI Semi-Closed Rebreather Diver (Dolphin)?
TDI's standards state: Minimum age 18.
How deep can you dive with TDI Semi-Closed Rebreather Diver (Dolphin)?
TDI's standards for TDI Semi-Closed Rebreather Diver (Dolphin) set a maximum depth of 40 m.
What does TDI Semi-Closed Rebreather Diver (Dolphin) training involve?
According to TDI's published standards: Minimum dives and bottom time per TDI SCR standards for Dolphin unit. Maximum depth 40m/130ft, no decompression diving. Demonstrate Dolphin-specific operation, gas management, and emergency procedures.
Where can I take TDI Semi-Closed Rebreather Diver (Dolphin)?
2 dive centres and 7 instructors in the TecDiveTools directory teach TDI Semi-Closed Rebreather Diver (Dolphin), in Egypt, Malta and the Philippines. Each is listed further up this page.