TDI CCR Air Diluent Instructor

TDI CCR Air Diluent Instructor

This is the instructor level certification course for instructors wishing to teach the unit specific closed circuit rebreather course. The objective of this course is to train instructors to teach recreational rebreather diving and to develop basic rebreather diving skills appropriate to diving within the normal recreational depth limits for no decompression diving to 30 metres / 100 feet using oxygen (O2) and an air diluent. This course is manufacturer specific

TDI Air Diluent Instructor

Rebreather Air Diluent Instructor Course prerequisites:

  • Minimum age 21
  • Certified TDI unit specific Rebreather Diver, or equivalent
  • Certified TDI Advanced Nitrox Instructor, or equivalent
  • Provide proof of 250 verified logged dives with 100 being on nitrox
  • Provide proof of minimum of 100 unit specific closed circuit rebreather logged dives; a minimum 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 CCR Air Diluent Rebreather Course not to exceed the manufacturers designed depth maximum of 30 metres/100 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:

  • Comparison of Open Circuit, closed circuit and semi-closed circuit units and the benefits and problems with each
  • Emergency Procedures
  • Demonstrate proper cleaning and maintenance of the rebreather
  • Demonstrate proper analysis of all gas mixtures to be used
  • Demonstrate proficiency in teaching the TDI Diving Rebreathers Diver Program
  • Present a minimum of 1 graded presentation on a closed circuit rebreather topic