TDI CCR Air Diluent Decompression Procedures Instructor

TDI CCR Air Diluent Decompression Procedures Instructor

This is the instructor level certification course for instructors wishing to teach the unit specific closed circuit rebreatherTDI decompression instructor course decompression procedures course. The objective of this course is to train instructors to teach recreational rebreather diving and to develop basic rebreather diving skills appropriate for decompression diving to 45 metres / 150 feet using oxygen (O2) and an air diluent. This course is manufacturer specific.

Rebreather Air Diluent Decompression Procedures Instructor Course prerequisites:

  • Minimum age 21
  • Certified TDI Unit Specific Rebreather Diver, or equivalent
  • Certified TDI Advanced Nitrox Instructor, or equivalent
  • Certified TDI Decompression Procedures Instructor, or equivalent
  • Provide proof of 250 verified logged dives, 100 being on nitrox
  • Provide proof of minimum of 100 unit specific closed circuit rebreather logged dives; minimum of 100 hours duration over a minimum of one year
  • Assist on at least one complete unit specific user course to the satisfaction of the instructor trainer
  • If the rebreather is a TDI approved sidemount rebreather, the student must hold the TDI Sidemount Instructor certification or equivalent

Upon successful completion of this course, graduates may teach the TDI Closed Circuit Rebreather Decompression Procedures course not to exceed the manufacturers designed depth maximum of 45 metres/150 feet with air diluent.

Course Structure and Duration:

Open Water Execution

  • Four dives

Course Structure

  • TDI allows instructor trainers to structure courses according to the number of
    students participating and their skill level


  • The minimum number of classroom and briefing hours is 6

What you can expect to learn:

  • History and evolution of rebreathers
  • Practical mechanics of the system
  • Emergency procedures
  • Demonstrate the proper procedures
  • Buoyancy control
  • ADV use
  • Bail-out