Prerequisites:

CSU (nitrox) certified or equivalent , 50 logged dives, medical certificate for scuba activities, FOP exam suggested

TSD – Level 3 (Technical SafeAir Diver). This is the first step in technical diving and the base for all other courses

The diver is introduced to technical diving starting from equipment configuration and ending with dive planning using the ANDI-GAP software that gives the chance to compare RGBM model and Buhlmann with Gradient Factor. The confined water practice develops all skills about propulsion techniques and descent, ascent and gas mix change procedures. All emergency and contingency procedures are explaind by instructors. The certification allows the diver to do deco dives.

Max depth: 40 meters

Max deco time: 30 minutes

Mix: 2

Course structure:

• theory: home self-learning with tutoring for each lesson, final exam with a minimum score of 80%
• pool session and confined water: practice of all skills and procedure
• open water dives: at least 4