In the TDI Extended Range Instructor Course, the instructor candidate will receive training in the proper techniques, equipment requirements and hazards of extended range diving to depths of up to 55 metres/180 feet, while utilizing nitrox mixtures and oxygen for staged decompression.

Topics that candidates may be asked to present include:

• Kit set-up
• Equipment requirements
• Decompression techniques
• Decompression breathing gases
• Lift bag / DSMB deployment
• Decompression tables

Extended Range Instructor Course Prerequisites:

• Minimum age 21
• Provide proof of 250 logged dives, 25 must be extended range dives
• Certification as a TDI Extended Range Diver or equivalent
• Certification as a TDI Advanced Nitrox and Staged Decompression Instructor or equivalent
• Must have certified 10 students in advanced nitrox diver or decompression procedures diver, a minimum of 5 must be decompression procedures divers

Course Standards & Procedures