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No you don’t for AN DPI very simple question, as from the website i can't understand it, to do TEC40 or TDI AN/DP do i need to own the rescue first ?
Here are the requirements for advanced Nitrox with tdithanks for the clarification
Here are the requirements for deco procedures with TDICourse prerequisites
(these requirements must be met prior to the start of the course):
- Minimum age 18, 15 with parental consent
- Minimum certification of TDI Nitrox Diver or equivalent
- Proof of 25 logged open water dives
Course prerequisites:
- Minimum age 18
- Minimum certification of SDI Advanced Adventure Diver, Advanced Diver, or equivalent
- Proof of 25 logged open water dives