TDI Rebreather Rescue

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The TDI Rebreather Rescue Diver course was created to expand the already learned knowledge and skills from the SDI Rescue Diver course, to specify the knowledge and skills for Rebreather Diving.

The TDI Rebreather Rescue Diver course will bring your rescue skills and knowledge on the right level for Rebreather dives.

Our Units


  • Rebreather Rescue 
  • Max 3 students per instructor
  • Duration: 5 days / 5 dives / 2 scenarios
  • Price: 950 CHF
  • The price includes: Theory, manual, dives
  • The price does NOT include: Gases, rental gear, certification fee
  • Max depth: n.a.

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Course specifications

Who this rebreather course is for:

  • The certified TDI Mixed Gas CCR Diver (or equivalent) looking to extend their rescue skills.

Rebreather Course prerequisites:

  • Minimum age of 18
  • Certified TDI Air Diluent CCR Diver or equivalent & SDI Rescue Diver or equivalent
  • Have verified logs of a minimum of 50 hours as a certified CCR diver
  • Minimum 50h on the specific unit
  • Current First Aid and CPR certification

What you can expect to learn:

Stress: mental and physical, peer pressure

Equipment problems related to the standard Scuba equipment

Rebreather specific Equipment problems: First stages, hoses, leaks, flooding, O2 cells, Solenoid, Manual Adds, scrubber

Emergency procedures, prevention, emergency plans, code of conduct, use of emergency oxygen

Physiology: breathing gas related problems, O2, N2, CO2, CO, He, overheating, hypothermia

dive planning and execution within the actual certification limits considering points 1-5

What’s in it for you?

Upon successful completion of this course, graduates may engage in diving activities without direct supervision provided:

  • The diving activities approximate those of training
  • The areas of activities approximate those of training
  • Environmental conditions approximate those of training

Required skill performance and graduation requirements

The following open water skills must be completed by the student during open water dives with the following course limits:

Watermanship Assessment (Must be done before any open water sessions)

Tow a fully equipped rebreather diver 100 metres/ 330 feet on the surface without stopping

400 metre / 1300 feet swim with fully equipped rebreather non-stop without the use of arms in less than 10 minutes

All diving skills must be on a high level

Pre-dive Checks must be done according to the unit specific pre-dive checklist

Analyze all gases before the dive

Swimming without mask

Ascent with SMB without mask

Underwater search with search patterns

Unconscious diver under water & on the surface, bring unconscious diver safe to the surface

Panicked diver, control, safe exit out of the water, self-protection

Toxic diver, control, safe ascent, safe exit out of the water, self-protection

Provide new stage tanks to victim

Administer simulated first aid with CPR

Emergency procedures

Complete all open water requirements and skills safely and efficiently

Satisfactorily complete the 2 rescue scenarios


  1. Out of Oxygen
  2. Out of Diluent
  3. Loss of Mask
  4. Boom: Air gunning
  5. Loss of Buoyancy Device
  6. Water in Loop
  7. Team Separation
  8. Silt out
  9. No Mask swim
  10. SMB deployment
  11. Stage drop and pick up
  12. Stage handling with team mate
  13. Ascent with SMB without mask, whilst performing preplanned stops at 9 metres/ 30 feet, 6 metres/20 feet, 3 metres/10 feet
  14. Unconscious Diver on surface
  15. 400 metre/1300 feet drag and slide
  16. Get diver out of equipment at the surface
  17. Get diver out of the water & perform CPR for minimum 5 minutes
  18. Panicked diver on Surface (React and bring to shore)
  19. Toxing diver under water (React, make sure that victim has gas supply, take care for own safety, bring victim safe to surface)
  20. Search patterns
  21. Bring new stage tanks to diver under water
  22. Give stages to diver without gas
  23. Guide diver to surface

Rescue Scenario 1: Max. 12 metres/40 feet

  1. Missing Diver,
    1. Organize search
    2. Organize rescue of diver
    3. Perform CPR
  2. Rescue Management

Rescue Scenario 2: Max 30 metres/100 feet

1. Toxing diver under water

Bring diver safe to surface

Bring diver on land,
Organize rescue, perform CPR

2. Rescue Management

TDI Rebreather Rescue minimum requirements

Demonstrate mastery of all required skills

Demonstrate proficiency in the 2 rescue scenarios

Demonstrate mature, sound judgment concerning dive planning and execution