Using helium-based breathing gases, the TDI Trimix Instructor Course delivers the training required to teach trimix diving that requires staged decompression. Utilizing gases containing no less than 18% oxygen, candidates will complete the four required dives up to 60 metres/200 feet. As part of the course topics you may be asked to present include:

  • Hypoxia
  • Nitrogen narcosis
  • Helium absorption and elimination
  • Counter diffusion
  • Dive planning
  • Gas switching procedures

For more information about the TDI Trimix Instructor course (incl course standards and procedures) click here

  • The TDI Trimix Instructor course costs €??? (plus all gases at cost).