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.
Other Courses
Gas Blender
Learn to safely blend breathing gas mixtures including Nitrox, Trimix and other custom gas blends. This course covers gas physics and the mathematics of blending, partial-pressure blending procedures, continuous-flow blending systems, oxygen handling and safety protocols, gas analysis and verification, cylinder identification and labelling standards, and equipment maintenance for blending systems. You will gain the theoretical knowledge and practical procedures needed to produce accurate, safe gas mixtures for technical and recreational diving. A prerequisite nitrox diver certification is recommended.