TDI technical training
Technical training built on discipline—not shortcuts.
Develop the planning, configuration, team skills and judgment required beyond traditional recreational limits.
Technical progression
Explore
Introduction to Tech
Foundational trim, propulsion, team and equipment skills.
Learn more →ExploreAdvanced Nitrox
Use enriched-air mixtures through 100% oxygen within course limits.
Learn more →ExploreDecompression Procedures
Plan and execute staged decompression dives.
Learn more →ExploreHelitrox
Introduce helium-based mixes for qualified divers.
Learn more →ExploreTrimix & Extended Range
Progress into deeper mixed-gas diving.
Learn more →ExploreGas Blender
Safe oxygen and helium blending procedures.
Learn more →Start with an honest assessment
Technical training is performance based. Current experience, buoyancy, propulsion, awareness and equipment familiarity matter more than rushing to the next card.
Ready for the next step?