Intro to Tech
Course Description
TDI Intro to Tech prepares divers for technical diving. It focuses on equipment, buoyancy, trim, and gas planning within no-decompression limits. It’s a stepping stone to Advanced Nitrox and Decompression Procedures, using nitrox within current certification.
Course Pre-requisites
- Minimum age 18, 15 with parental consent
- Minimum certification: SDI Open Water Scuba Diver or equivalent
- Proof of 25 logged open water dives
Dive Information
- A minimum of 3 dives must be conducted.
- All dives must be conductted at depths within the diver’s current level of certification, and no dives should exceed 23 Metres.
- In a twin set or sidemount configuration.


Advanced Nitrox
Course Description
Expand your dive time with TDI Advanced Nitrox Course qualifies divers to use enriched air nitrox from EAN 21 through EAN 100 percent within your current certification level to a maximum depth of 40 meters/130 feet during dives that do not require staged decompression.
Course Pre-requisites
- Minimum age 18, 15 with parental consent
- Minimum certification of TDI Nitrox Diver or equivalent
- Proof of 25 logged open water dives
Dive Information
- A minimum of 4 dives must be conducted.
- No dives should exceed 40 Metres.
- In a twin set or sidemount configuration.
Deco Procedures
Course Description
Do you find your no- decompression limits (NDLs) a limiting factor to dives? The TDI Decompression Procedures Course prepares you for planned staged decompression diving.
Course Pre-requisites
- Minimum age 18
- Minimum certification of SDI Advanced Adventure Diver, Advanced Diver, or equivalent
- Proof of 25 logged open water dives
Dive Information
- A minimum of 4 dives must be conducted.
- No dives should exceed 45 Metres.
- In a twin set or sidemount configuration and one stage tank.


Helitrox Diver
Course Description
Examines the theory, methods and procedures for planned stage decompression diving utilizing Helium in the breathing mixture and train divers how to plan and conduct a standard staged decompression dive not exceeding a maximum depth of 45 meters.
Course Pre-requisites
- Minimum age 18
- Minimum certification of SDI Advanced Adventure Diver, Advanced Diver, or equivalent
- Proof of 25 logged open water dives
Dive Information
- A minimum of 4 dives must be conducted.
- No dives should exceed 45 Metres.
- In a twin set or sidemount configuration and one stage tank.
Extended Range
Course Description
This course teaches you the proper techniques for utilizing air as a breathing gas, to a maximum depth of 55 meters
Course Pre-requisites
- Minimum age 18
- Certified as a TDI Advanced Nitrox Diver and TDI Decompression Procedures Diver, or equivalent
- Proof of a minimum of 100 logged dives, of which 25 must be deeper than 30 metres/100 feet
Dive Information
- A minimum of 7dives must be conducted.
- No dives should exceed 55 Metres.
- In a twin set or sidemount configuration and two stage tanks.


Trimix 60m
Course Description
Trimix Diver course shows how to plan and execute dives utilizing as little as 18 percent oxygen and diving to a maximum depth of 60 meters with a blend of helium appropriate for the planned depth.
Course Pre-requisites
- Minimum age 18
- Minimum certification of TDI Advanced Nitrox AND Decompression Procedures Diver, or equivalent
- Proof of 100 logged dives
Dive Information
- A minimum of 7 dives must be conducted.
- No dives should exceed 60 metres.
- In a twin set or sidemount configuration and two stage tanks.
Trimix 75m
Course Description
Plan and execute dives utilizing as little as 16 percent oxygen and diving to maximum depth of 75 meters with a blend of helium appropriate for the planned depth.
Course Pre-requisites
- Minimum age 18
- Minimum certification of TDI Advanced Nitrox AND Decompression Procedures Diver, or equivalent
- Proof of 100 logged dives
Dive Information
- A minimum of 7 dives must be conducted.
- No dives should exceed 75 metres.
- In a twin set or sidemount configuration and two stage tanks.


Advanced
Trimix 100
Course Description
TDI Advanced Trimix Diver Course is the top level of training for open circuit divers wishing to dive to depths as deep as 100 metres utilizing hypoxic levels of oxygen below 17 percent
Course Pre-requisites
- Minimum age 18
- Minimum certification of TDI Extended Range or Trimix Diver or equivalent
- Show proof of 100 logged dives, 25 must be deeper than 30metres
Dive Information
- A minimum of 8 dives must be conducted.
- No dives should exceed 100 metres.
- In a twin set or sidemount configuration and three stage tanks.