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 a maximum depth of 55 metres/180 feet and describes the...

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 chasing depth and more about building a clean, repeatable...

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 same knowledge and skills, but in the manner required for...

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 depth of 45 metres/150 feet and allows enriched air...

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 of teaching another in-water skill set, it focuses on...

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 proficiency while using approved rebreathers, DPVs,...

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 current IANTD advanced cave listings include focused...

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 official NSS-CDS page explains that using helium-based...

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 identifies a maximum operating depth of 45 metres/150...

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 program is designed for open-circuit or rebreather...

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 official NAUI page describes the course as preparing...

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. PADI describes training dives as reaching as deep as 90...

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 states that the course familiarizes divers with the...

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 deeper technical training. The official NAUI page...

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 technical gas and decompression planning. The IANTD HQ course...