Technical Diving

Course OverviewTDI Extended Range trains experienced technical divers to use compressed air as a breathing gas for deeper staged decompression dives where helium may not be available. TDI identifies...

Course OverviewPADI Tec Sidemount Diver teaches certified divers how to use sidemount configuration for technical diving, where carrying more than one cylinder is common. The course is less about...

CCR Trimix Cave TrainingNSS-CDS CCR Trimix Cave Diver is the closed-circuit rebreather equivalent of the open-circuit Trimix Cave Diver course. The official NSS-CDS page states that it covers the...

Course OverviewTDI Helitrox teaches divers to plan and conduct staged decompression dives using helium in the breathing mix to reduce inert gas narcosis. The official TDI page identifies a maximum...

Course OverviewPADI Tec Gas Blender is a support course for divers who want to understand how enriched air nitrox and helium-based breathing gases are prepared for scuba and technical diving. Instead...

Plan Expedition-Level Cave DivesGUE Cave Diver 3 is advanced cave training for divers preparing to plan and execute extended-exposure cave dives at depth. GUE describes the course as developing...

Advanced Cave TrainingIANTD Advanced Cave Diver training is for certified cave divers who are ready to move beyond basic main-line cave diving into more complex cave planning and execution. The...

Trimix Cave Diver TrainingNSS-CDS Trimix Cave Diver is for cave divers with a legitimate need to go deeper than entry-level cave training limits while using helium-based breathing gas properly. The...

Course OverviewTDI Decompression Procedures prepares qualified divers for planned staged decompression diving, which is a major shift from normal no-decompression sport diving. The official TDI page...

Expedition Trimix CCR TrainingIANTD Expedition Trimix CCR Diver training is the highest-level rebreather trimix progression represented in the IANTD Spain Rebreather Expedition Trimix Diver page. The...

Technical Support LeadershipNAUI Technical Support Leader is a technical leadership course for qualified NAUI Instructors, Divemasters, and Assistant Instructors who are also technical divers. The...

Course OverviewPADI Tec Trimix Diver is advanced open-circuit technical training for divers who want to move beyond normoxic trimix and plan very deep dives with a deliberate, conservative mindset...

Course OverviewTDI Diver Propulsion Vehicle (DPV) teaches certified divers how to plan and conduct technical dives using scooters while managing the added hazards they create. The official TDI page...

Intro to Technical DivingNAUI Intro to Technical Diving is designed to help open-water or advanced open-water divers sharpen their skills, knowledge, and equipment configuration before committing to...

Add Technical Procedures to Cave DivingIANTD Technical Cave Diver is the technical version of the Cave Diver pathway, intended for divers who are ready to combine overhead cave procedures with...