extended range instructor course
TDI DECOMPRESSION PROCEDURES DIVER

TDI EXTENDED RANGE

TDI Extended Range Course available at our facility in Phuket Thailandprovides the training and experience required to competently use air for dives up to 180 fsw/55msw that need staged decompression, utilising Nitrox mixtures and Oxygen during decompression.

The TDI Extended Range course teaches you the proper techniques for utilising compressed air as a breathing gas and with a maximum depth of 55m/180 feet you won’t have to miss those dives. The Extended Range course will cover topics and skills such as:

    • Equipment requirements and configuration
    • Decompression options
    • Use of surface marker buoys
    • Buddy rescue
    • Narcosis checks and management

Materials for this course include the TDI Extended Range Diving Manual and the US Navy or Buhlmann Air Decompression Tables (made of vinyl for easy in-water use and storage)

The main covered areas are software-accelerated deco, stress management and autonomy.

Student Prerequisites TDI Extended Range Course:

Minimum age:18 years
Min certification/diver level:Advanced Nitrox and Decompression Procedures diver or equivalent
Min amount of dives:100 logged Open Water Dives (incl your deco course dives)
Course Duration:4-5 days including 4 dives to which 2 greater than 40 meters
System:Open Circuit twin set or Advanced Sidemount
Prerogatives:After completing the Extended Range course, the successful candidate can engage in decompression diving to a maximum depth of 55msw on air and use multiple Nitrox gas switches (up to pure oxygen) to carry out the decompression schedule.
Certification available through:TDI, PADI TEC 50, SSI Tech Extended Range
Combination of courses:Extended Range & Entry trimix
EQUIPMENT REQUIREMENTS ALL COURSES
Primary and secondary regulators (for back gas or Sidemount set-up)Two stage/decompression regulators
Mask + Back-up maskBCD (wing) and harness or Sidemount Wing (with a min lift of 40 pounds)
Depth gauge/computer Timing device and backup timing device
Appropriate exposure suit 3mm or 5mm Knife/cutting device and backup
Two inflatable signal tubesReel and spool
Slate and backup slateCompass
Torch and Back-up torches (Trimix Diving, Wreck diving and cave diving courses)Hood - for Cave, Deep and Wreck Diving

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