TDI Open Circuit Courses

Introduction to Technical Diving

• Find out more about this exciting branch of advanced recreational diving.

Nitrox Diver

• An entry level course for divers wishing to utilise enriched air nitrox as a breathing gas.

Advanced Nitrox Diver

• Qualifies divers to use enriched air nitrox from 21% through 100% to a depth of 40 metres
  during dives that do not require staged decompression.

Decompression Procedures Diver

• With a maximum operating depth of 45m, this course is your first step beyond the limits of
  normal recreational diving.

Extended Range Diver

• Teaches you the proper techniques for utilising compressed air as a breathing gas to a
  maximum depth of 55m.

Trimix Diver

• Learn how to plan and execute dives utilising as little as 18% oxygen and diving to maximum
  depth of 60m with a blend of helium appropriate for the planned depth.

Advanced Trimix Diver

• The top level of training for open circuit divers wishing to dive to depths as deep as 100m
  utilizing hypoxic levels of oxygen below 17%.