Diver Training

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...

Bubblemaker ExperiencePADI Bubblemaker is a supervised scuba experience for children who want to try breathing underwater in very shallow water. The official PADI page describes it as a chance for kids to experience scuba under the direct supervision of...

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...

Course OverviewTDI Cave Survey teaches trained cave divers how to collect, verify, and use survey data in the underwater cave environment. The official TDI page explains that the course is intended to encourage standardized cave surveying, promote the...

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...

Multilevel Diver TrainingPADI Multilevel Diver teaches certified divers how to plan dives that spend time at more than one depth rather than treating the whole dive as if it happened at the deepest point. The official PADI page describes the course as...

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...

Course OverviewTDI Mine introduces divers to the basic principles of mine diving using a single primary guideline. The official TDI Mine Diver Level I standards describe it as the first stage in the TDI Mine Diver development program, building on Cavern...

Nitrox Diver TrainingNSS-CDS Nitrox Diver trains certified divers to use enriched air nitrox mixtures up to 40% oxygen as a breathing gas with the aid of a programmable nitrox computer. The official NSS-CDS page explains that the course can be taught as...

Underwater Archaeology TrainingNAUI Underwater Archaeology is a specialty course for certified divers who want to understand how submerged historic sites are studied, documented, and preserved. The official NAUI page describes the course as an...

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...

Equipment Specialist TrainingPADI Equipment Specialist helps divers understand the scuba equipment they use, how to care for it, and how to handle basic field issues without pretending to be a service technician. The official PADI page describes 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 official NSS-CDS page explains that using helium-based...