Rebreather Diving

Who is this rebreather course for?

The certified diver looking to advance their diver level training and equipment configurations by learning to dive a rebreather. Whether you are an avid photographer, want to experience the silence of diving a rebreather, significantly extend your bottom time, or just looking for closer interaction with marine life – rebreather diving is for you.

You can select from:

  • Semi-Closed Rebreather (SCR) Training
  • Closed Circuit Rebreather (CCR) Training

Rebreather Course Prerequisites

  • Minimum age 18
  • Provide proof of 20 logged open water dives
  • Provide proof as a TDI or PADI Nitrox Diver or equivalent from a recognized agency
  • What can you expect to learn?

    The Closed Circuit Rebreather (CCR) Air Diluent Diver course takes an in-depth look at all of the following and more:

    • History and evolution of rebreathers
    • Comparison of open circuit (OC), closed circuit rebreather (CCR), and semi-closed circuit, rebreather (SCR) systems noting the pros and cons of each
    • Practical mechanics of the system
    • Gas physiology
    • Proper scrubber packing: in accordance with manufacturers recommendation
    • Electronic or manual systems design and maintenance
    • Dive tables
    • Dive computers
    • Dive planning
    • Emergency procedures
    • Dive checklists
    • Predive checks

    Some of the required skills you will have to demonstrate include all of the following and more:

    • All open water dives must be between 9 metres/30 feet and 30 metres/100 feet
    • Two dives must be deeper than 20 metres/50 feet and one dive must be deeper than 27 metres/90 feet
    • Partial pressure of oxygen not to exceed manufacturers recommendation or a working limit of 1.3
    • All dives to be completed within CNS percentage limits with a recommend maximum of 80 percent of the total CNS limit
    • Where the user opts for an automatic diluent valve (ADV) fitted and approved by the manufacturer, additional skills such as regular diluent gauge monitoring and addition control must be emphasized
    • Unit build up and break down
    • Predive checks
    • Verify diluent and oxygen contents using an analyzer
    • Demonstrate correct predive planning procedures
    • Cover emergency procedures
    • Use of BCD/dry suit and effective management of loop breathing volume for buoyancy control
    • Stop at 13-6 metres/ 10-20 feet on descent for leak/bubble check
    • Electronic system monitoring for partial pressure of oxygen levels (set point) and switching set points
    • Use of lift bag, or surface marker buoy and reel, where appropriate
    • Proper execution of the dive within all pre-determined limits
    • Demonstration of safety stops at pre-determined depths
    • Constant loop volume management
    • Post dive clean of unit
    • Diver maintenance of unit

    What is in it for you?

    Upon successful completion of this course, graduates may engage in diving activities utilizing the CCR they were trained to dive without direct supervision of the CCR Instructor so long as the following limits are adhered to:

    • The diving activities approximate those of training
    • The areas of activities approximate those of training
    • Environmental conditions approximate those of training
    • To a maximum depth of 30 metres/100 feet
    • No decompression dives are permitted

    CCR Air Diluent Diver Minimum Requirements

    • Satisfactorily complete the CCR Air Diluent examination with a passing score of 80%, followed by 100% remediation by the Instructor
    • Complete all open water requirements efficiently
    • Demonstrate mature and sound judgment concerning dive planning and execution
    • Course must be completed within 6 weeks from the starting date
    • Complete a refresher course following a period of inactivity greater than 6 months following the course

    How can I take a course or demo a rebreather?

    Discover Rebreather -Try out CCR rebreather diving in our deep, heated, salt water pool

    • Saturday, April 30, 2016 10 am – 2 pm
    • Saturday, May 19, 2016 10 am – 2 pm

    Enroll Now

    Hollis Prism 2 Rebreather Course – Call 281-445-3483 to enroll