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Decompression in worldwide: 8 instructors on TecDiveTools, with the agencies and courses each teaches, and a summary of what students say.
TecDiveTools lists 8 instructors teaching Decompression worldwide.
Listings are ordered by how much evidence exists about their technical diving, not by a star rating, with any paid Featured listing shown first and marked as such (how rankings work). 6 of these 8 carry reviews we have read and classified as being about technical or overhead training. The count excludes recreational certifications by name, so a busy resort does not outrank a one-instructor cave operation on the volume of its reef trips. Separately, 6 have a written synthesis of what reviewers say about them. How we read and count reviews.
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About the course
RAID's entry-level technical diving course introducing staged decompression with one decompression gas (up to 100% oxygen). Students master multi-gas breathing strategies, proper ascent planning, and gas consumption calculations for dives requiring mandatory decompression stops. Using sidemount or twinset configurations, divers learn equipment setup, bailout procedures, and the foundational technical skills necessary to venture beyond recreational no-decompression limits and access deeper wreck and open-water exploration sites.
8 instructors on TecDiveTools teach RAID Decompression worldwide: Indonesia (3), Thailand (3) and Mexico (2). Each is listed above.
Published prices for RAID Decompression worldwide range across 2 centres in the TecDiveTools directory — roughly US$500 to US$750 at current exchange rates. In each centre's own currency: IDR 9,500,000 (1 centre) and THB 24,900 (1 centre). Prices differ mainly in what they include, so compare the inclusions before comparing the numbers. Prices were last checked in September 2026.
Between 2 and 5 days, based on the durations 2 centres publish for it worldwide. The time depends on the centre's schedule, weather, and how quickly the required skills are demonstrated — agencies set a minimum number of dives, not a fixed number of days.
At the same tier in TecDiveTools' cross-agency comparison, instructors worldwide also teach TDI Advanced Nitrox (438), PADI TecRec Tec 40 (4) and SSI XR Extended Range Nitrox Diving (3). They are comparable rather than interchangeable — each agency sets its own standards and card, so check which one your next course accepts.