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

The TDI Extended Range Instructor materials includes

  • Extended Range/Trimix instructor guide
  • Extended Range/Trimix PowerPoint®
  • EAD table
  • TDI student record folder
  • Logo sticker
  • TDI Extended Range/Trimix manual
  • TDI presentation bag
  • TDI temporary card