Rebreather (CCR)
Liberty BM/SM & O2ptima CM: Mod 1 to Trimix CCR Instructor
We train on two CCR platforms: the Divesoft Liberty BM/SM and the Dive Rite O2ptima CM. Courses range from your first CCR dives (Mod 1) through advanced Trimix CCR and Instructor certification. Cross-certification available.
Platforms We Train On
Divesoft Liberty BM/SM
A modular, electronically-controlled CCR renowned for reliability and flexibility. Available in multiple configurations for both recreational and technical diving.
Dive Rite O2ptima CM
A chest-mounted, electronically-controlled CCR from Dive Rite, renowned for its compact profile and reliability.
CCR Courses
CCR Mod 1
RecreationalYour first steps on closed-circuit rebreather. Learn unit assembly, pre-dive checks, bailout procedures, and fundamental CCR diving skills. Limited to 40m on air diluent.
CCR Mod 2
TechnicalExtend your CCR range to 60m using EANx diluent. Deeper bailout planning, more complex gas management, and advanced troubleshooting.
Advanced Mixed Gas CCR
Advanced TechnicalCombine CCR with trimix diluent for deep technical diving. Gas planning, extended decompression, and emergency management at depth.
Trimix CCR
Advanced TechnicalThe pinnacle of CCR training: hypoxic trimix diluent for the deepest technical dives. For experienced CCR divers pushing extreme depth limits.
CCR Crossover
Advanced TechnicalAlready certified on another CCR platform? Cross over to the Divesoft Liberty BM/SM or O2ptima CM with an efficient, tailored programme at your current certification depth.
CCR Instructor
Advanced TechnicalTrain the next generation of CCR divers. Nadir holds CCR Instructor trainer certification on the Divesoft Liberty BM/SM and brings decades of real-world experience to every candidate.
Thinking about CCR?
Not sure where to start? Get in touch: we'll help you choose the right platform and course level for your experience and goals.
Get in touch