Online Courses, Training Materials
and E-Certification.
Buy the official ITDA-IHMP training materials (PDF manual) and e-certification for each program. Practical in-water training is delivered separately by your local ITDA partner or instructor at local cost.
Practical in-water training is not included — it is arranged separately with a local ITDA partner or instructor at local cost.
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Members save on all courses and theory fee includes; .PDF manual and e-certification. View plans →
Member price applies to logged-in paid members (Basic and above) — not the Free package.
Free Dive Safety Quiz
FreeTest your diving knowledge — 2 levels, 30 questions, instant scoring. No sign-up required.
Technical Diving
Beyond recreational limits — Nitrox and Advanced Nitrox, staged decompression, and Trimix diving.
Trimix Diving
The ITDA-IHMP Trimix Diver program covers Entry Level Trimix through to full Mixed Gas Trimix Diver and Advanced Trimix training. You'll learn gas theory, stage cylinder handling, travel/back/decompression gas management, team diving procedures, gas-switch and emergency protocols, oxygen toxicity and DCS response, deep-stop decompression theory, and full Trimix gas & dive planning (END, PPO2, PPN2). Entry requirements: certified Advanced Nitrox/Advanced Ntech diver, minimum 18 years old, with logged decompression/extended range experience — see the course manual for full prerequisites.