- The certified nitrox diver looking to expand their understanding of nitrox mixtures containing more than 40% oxygen
- The certified nitrox diver looking to expand their in-water skills
- The certified diver who has interest in moving forward with technical diving education
Course 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