TDI
Extended Range
Extended Range
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Who is this course for?
Who is this course for?
The certified TDI Advanced Nitrox/Decompression Procedures diver looking for the next step in technical dive training.
Whether you’re looking to expand upon your skills, experience, or just go a little deeper to see an area of interest, this course is for you!
Course prerequisites
Course prerequisites
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
What you can expect to learn
What you can expect to learn
The TDI Extended Range Diver Course takes an in-depth look at all of the following and more:
History of deep air diving
Physics
Pressure review
Formulas for solving dive planning problems, maximum operating depth (MOD), best mix, and more
Physiology
Hypoxia
Oxygen toxicity
Nitrogen narcosis
Nitrogen absorption and elimination
Carbon dioxide toxicity
Carbon monoxide
Hyperthermia
Hypothermia
Decompression Options
Air
Nitrox
Oxygen
Equipment considerations
Dive tables
Dive planning
Operation planning
Team planning
Emergency planning
Diving procedures
Descent considerations
Ascent considerations
Technical dive support
Navigation
What's in it for you?
What's in it for you?
Upon successful completion of this course, graduates may engage in diving activities without direct supervision so long as the following limits are adhered to
The diving activities approximate those of training
The areas of activities approximate those of training
Environmental conditions approximate those of training
Upon successful completion of this course, graduates are qualified to enroll in the TDI Advanced Wreck ,TDI Trimix, and TDI Advanced Trimix courses
Extended Range Diver minimum requirements
Extended Range Diver minimum requirements
Satisfactorily complete the TDI Extended Range Course written examination with a passing score of 80%, followed by 100% remediation by the instructor.
Complete all open water requirements efficiently.
Demonstrate mature and sound judgment concerning dive planning and execution.
Certain areas of the world provide spectacular dives at depths deeper than 39 metres/130 feet but you may not have access (or very limited access) to helium.
The TDI Extended Range course teaches you the proper techniques for utilizing compressed air as a breathing gas, and with a maximum depth of 55 metres/180 feet, so you don’t have to miss those dives!
The TDI Extended Range Diver Course provides the training and experience necessary including proper techniques, equipment requirements, and hazards of deep air diving, to competently utilize air for dives up to 55 metres/180 feet that require staged decompression, using nitrox mixtures or oxygen during decompression.