TDI · Open Circuit
TDI Advanced Nitrox Diver
Dive enriched air from EAN-21 through to 100% oxygen to 40 metres, the gateway to technical diving.
The TDI Advanced Nitrox course can be taken alone as your entry-level technical diver certification on twins, combined with entry-level CCR training, or, most commonly, in conjunction with the TDI Decompression Procedures course.
It examines the use of EAN-21 through 100 percent oxygen for optimal mixes to a depth of 40 metres, training you in the benefits, hazards and proper procedures for dives that do not require staged decompression. Intro to Tech may be combined with this course, and Advanced Nitrox also serves as a prerequisite for rebreather training and the TDI Air Diluent CCR course.
What you'll learn
- Using EAN-21 through 100% oxygen for optimal mixes to 40 metres
- Benefits, hazards and proper procedures for high-oxygen mixes
- Gas planning and equipment configuration for twin cylinders
- Foundations for combining with Decompression Procedures or CCR training
Prerequisites
- Minimum age 18, or 15 with parental consent
- TDI Nitrox Diver certification or equivalent
- Proof of 25 logged open water dives
- Minimum age 18 if taught with Decompression Procedures
What's included
- TDI Advanced Nitrox certification on completion
- Classroom theory and gas planning
- Open water training dives
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