Diver Training

Course OverviewTDI Advanced Blender builds on Nitrox Gas Blender training and adds the preparation and blending of oxygen- and helium-based gases for technical diving. The official TDI page explains that successful graduates may engage in blending oxygen...

Course OverviewPADI Tec 100 CCR is the highest PADI Tec CCR diver rating and a major step beyond Tec 60 CCR. The course is built around planning and making Type T CCR dives using hypoxic trimix or heliox to a maximum depth of 100 metres/330 feet. At this...

Full Trimix TrainingIANTD Trimix Diver training is an advanced technical course for divers already involved in deep diving who need the planning discipline and gas knowledge to use trimix responsibly. The official IANTD page is clear that this program is...

Advanced Open Water TrainingPADI Advanced Open Water Diver helps certified divers gain experience, try new dive activities, and build confidence under instructor guidance. The official PADI page describes the course as five Adventure Dives, including...

Deep Diver TrainingPADI Deep Diver teaches certified divers how to plan and conduct deeper recreational dives with better awareness and control. The official PADI page describes the course as learning to manage gas supply, recognize and deal with...

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...

International Diver RecognitionNAUI International Diver is best treated as a recognition program rather than a conventional skills course. NAUI maintains an exact recognition-route URL for the program, and current NAUI professional listings place...

DPV Cave Diver TrainingNSS-CDS DPV Cave Diver trains experienced cave divers to use diver propulsion vehicles without letting range, speed, and excitement undermine safety. The official NSS-CDS page explains that DPVs can substantially increase the risks...

Build Wreck Diving AwarenessIANTD Limited Wreck Diver is represented on the current IANTD site by the Wreck Diver program, which focuses on developing wreck diving skills within the limits of light penetration. The official page emphasizes...

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...

Build Underwater Navigation SkillGUE Navigation Primer is a focused course for divers who want better awareness of where they are, where the team is going, and how to return with control. The official GUE page describes it as training in the basics of...

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...

Adventure Diver TrainingPADI Adventure Diver is a continuing education certification that lets certified divers sample several types of diving before completing the full Advanced Open Water Diver course. The official PADI page describes it as completing...

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...