Introduction
This course provides training and experience required to competently utilize air for dives up to 180 fsw I 55 msw that require staged decompression, utilizing nitrox mixtures or oxygen during decompression.

Course objectives
The objective of this course is to train divers in the proper techniques, equipment requirements, and hazards of deep air diving to a maximum of 180 fsw / 55 msw and utilizing nitrox mixtures or oxygen for staged decompression.

Student Pre-requisites

• Minimum age 18
• Minimum of 100 logged dives, of which 25 must be deeper than 100 fsw / 30 msw, or the equivalent at the discretion of the instructor.
• Certification as a TDI Advanced Nitrox Diver and TDI Decompression Procedures Diver (or equivalents) are required.