
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.
Browse by section
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.
Advanced Scuba Diving
Beyond the basics — Advanced Open Water Scuba, Deep Diving, Wreck Diver and Conservation specialties for divers ready to expand their depth and range.
Advanced Specialist Level 3 — wreck penetration beyond 40m →Course Modules Included
The Advanced Open Water Scuba course includes these core modules: Deep Diving, Buoyancy & Gas Management, and Navigation Diver.

Deep Diving
Plan and execute dives beyond the 18-metre recreational limit with confidence. This specialist course covers gas management for deeper profiles, decompression theory and staged stops, nitrogen narcosis recognition and mitigation, deep-dive emergency procedures and specialised equipment considerations. Learn to manage the additional risks of depth while exploring deeper reefs, walls and wrecks. Advanced Open Water certification or equivalent is a prerequisite.
