TDI Combined Advanced Nitrox /
Decompression Procedures

The TDI Decompressions Procedures course combined with the TDI Advanced Nitrox course form the foundation of all other technical courses. After these two courses and some additional experience, the stage has been set for you to move onto additional technical levels.

What you learn
Topics covered are:

  • Kit set-up
  • Equipment requirements
  • Decompression techniques
  • Decompression breathing gases
  • Gas management
  • Contingency planning

Qualification gained
Upon successful completion you will be certified to undertake accelerated decompression diving using gases up to 100% Oxygen.

To enrol on this course, you must:

  • be a minimum of 18 years old
  • hold a certification of Advanced open water diver or equivalent
  • hold a certification of TDI Basic Nitrox or equivalent
  • have 50 logged dives.

Course structure
3-days. This course includes both the Advanced Nitrox and Decompression Procedures courses. It is more intensive, but more efficient. It includes 6 Nitrox dives and covers all the topics required to use mixes from 40% to 100% for decompression as well as the ability to perform accelerated decompression.

You will need a full set of diving kit including a Oxygen clean manifolded twinset with a combined volume of at least 3,200 litres, fitted to a wing buoyancy system. We offer equipment rental if required, at a discounted rate.

TDI Combined Advanced Nitrox and Decompression Procedures manuals.

Price List >>

Booking Form >>

TDI website >>

Other TDI Courses:

TDI Open Circuit Courses
Intro to Tech >>
Nitrox Diver >>

Advanced Nitrox Diver >>
Procedures >>

Combined Advanced Nitrox / Decompression
Procedures >>

Advanced Wreck >>
Extended Range >>
Trimix >>
Advanced Trimix >>

TDI Rebreather Courses
SCR Rebreather >>

CCR Entry Level Mod 1 >>
CCR Entry Level Mod 2 >>
CCR Mixed Gas >>
CCR Advanced
Mixed Gas >>

TDI Service Courses
Nitrox Gas Blender >>
Advanced Gas Blender >>
Service Technician >>

Instructor Courses
Please call to discuss your requirements.