Technical Diving

Course OverviewTDI Mixed Gas CCR is an intermediate closed-circuit rebreather course for divers ready to extend beyond air diluent decompression or helitrox CCR limits. The official TDI page describes training to a maximum depth of 60 metres/200 feet...

Technical Decompression TrainingNAUI Technical Decompression Diver teaches the theory, methods, and procedures of planned staged decompression diving using nitrox breathing gas mixtures. The official NAUI page states that students plan and conduct...

Extend Advanced CCR DivingGUE CCR Technical Diver 2 is advanced closed-circuit rebreather training for divers who already hold CCR Technical Diver 1 and want to move into deeper, longer, and more demanding technical dives. GUE describes the course as...

Course OverviewTDI Nitrox Blender teaches the proper techniques, equipment requirements, and hazards involved in blending nitrox gases for scuba diving. The official TDI page frames the course as behind-the-scenes training for the fill station, where...

Course OverviewPADI Tec 60 CCR is the second level of PADI technical Type T closed-circuit rebreather training. It extends qualified Tec 40 CCR divers toward dives as deep as 60 metres/200 feet while introducing more demanding decompression work. PADI...

Course OverviewTDI Helitrox CCR teaches closed-circuit rebreather divers to plan staged decompression dives using a helium-based diluent to reduce narcosis. The official TDI page describes the course as developing CCR skills to a maximum depth of 45...

Technical Leadership TrainingIANTD Technical Dive Supervisor is a professional-level pathway for experienced technical divers who want to assist, supervise, and support training under the direction of qualified IANTD instructors. The individual IANTD...

Move into Technical CCR DivingGUE CCR Technical Diver 1 is the next step for CCR Fundamentals divers who want to use a closed-circuit rebreather in technical diving. The official GUE page explains that the course helps divers transition from recreational...

Course OverviewPADI Tec 40 CCR is the entry point into PADI technical closed-circuit rebreather training on Type T CCR units. It introduces the discipline needed for technical CCR diving while keeping the first step focused on setup, predive checks, dive...

Course OverviewTDI Air Diluent Deco CCR is the next step for open-circuit technical divers crossing into CCR decompression diving or for Air Diluent CCR divers progressing beyond no-decompression limits. The official TDI page states that the course...

Normoxic Trimix TrainingIANTD Normoxic Trimix Diver training is for technical divers who want to use helium-based breathing gases for deeper dives while avoiding air as the primary gas below the normal deep-air range. The official IANTD page states that...

Advanced Cave Diver TrainingNSS-CDS Advanced Cave Diver is an alternative to the standard NSS-CDS Cave Diver course. The official NSS-CDS page states that it includes all academic and skill development from the full Cave Diver course, plus the content...

Transition to Closed-Circuit DivingGUE CCR Fundamentals is designed to help qualified divers make a structured transition from open-circuit diving to closed-circuit rebreather use. GUE describes the course as a supportive environment for developing...

Technical Nitrox TrainingIANTD Technical Nitrox Diver training is written here from IANTD?s current Technical Diver page, because the current public catalog presents that individual program as the technical pathway covering custom blend breathing gases,...

Cave II Diver TrainingNAUI Cave II Diver is an advanced technical cave course for divers ready to move beyond limited-penetration, simple-navigation cave dives. The official NAUI page states that the course covers longer penetration cave dives with...