TDI MOD1 Air Diluent with Deco (40m)

TDI Air Diluent CCR Decompression Procedures Diver - 40 m

Take your CCR diving beyond no-decompression limits.

Whether you’re an open-circuit technical diver transitioning to rebreathers or a certified CCR diver ready to progress, this course develops the planning, control and procedures needed for decompression diving.

At Black & White Diving, we focus on understanding your unit and building consistent habits. Equipment preparation, buoyancy, loop management and team awareness form the foundation, giving you the capacity to manage decompression obligations and respond effectively when a dive doesn’t go to plan.

This unit specific course trains you for formal decompression diving to a maximum depth of 40 metres/130 feet, using air as a diluent.

Available on the Divesoft Liberty in Backmount and Sidemount configurations. Halcyon Symbios coming soon. Unit and configuration suitability are discussed before booking.

Who Is This Course For?

🔄 Certified Air Diluent CCR divers ready to progress beyond no-decompression limits.

What You Will Learn

🔘 CCR Planning: Bring together dive objectives, equipment limitations and contingency planning.

🔘 Decompression: Understand constant-PO₂ planning and controlled ascents.

🔘 Bailout: Plan an alternative gas supply and practise completing the ascent on open circuit.

🔘 Failure Management: Recognise problems and apply unit-specific responses.

🔘 Control: Refine buoyancy and loop volume while handling cylinders and additional tasks.

🔘 Teamwork: Practise communication, awareness whist task loading.

🔘 Unit Care: Develop consistent assembly, checklist and maintenance habits.

What’s In It For You?

✅ A Structured Progression: Develop your diving through guided practice and clear feedback.

✅ Greater Confidence in Your Procedures: Understand the reasons behind your actions and practise applying them consistently.

✅ Personalised Instruction: Work on the areas that need attention, with time to ask questions and consolidate your learning.

✅ Unit-Specific Certification: Successful graduates may conduct CCR decompression dives without direct instructor supervision, in conditions comparable to their training.

In-person instruction is available in English, French, Spanish and Japanese. You must understand the training language and communicate clearly with your instructor throughout the course.

Program Rate

Training rates start at €1,440 per person if it is 1 on 1 training. For courses with more than one student, the rate is €210 per person, subject to compatible foundational skills and a maximum of three students.

Duration

Allow six days, for the briefing, equipment preparation, theory, in water training and debriefs.

Certification depends on meeting the required knowledge and skill standards. We’ll support your progress throughout, but additional training days may be necessary and will be charged separately.

Already certified as an Air Diluent CCR Diver? Upgrade and unit crossover pathways have separate requirements; we’ll confirm the applicable schedule before booking.

What Is Included?

Your daily training rate includes cylinders suited to your configuration, plus one stage/bailout cylinder, with gas up to Nitrox 32%. Technical facility use includes a dedicated workbench, lockable cupboard, cylinder storage, washing and drying areas, Wi-Fi and CCTV. Land transport is also included.

Additional costs: gas above Nitrox 32%, Sofnolime, extra cylinders, rental equipment, ferry, boat and heritage fees are charged separately.

Prerequisites

Open-circuit entry pathway:

✔️ Minimum age: 18.

✔️ Fifty logged dives.

✔️ Advanced Nitrox and Decompression Procedures certifications, or recognised equivalents.

✔️ Five logged staged-decompression dives reaching at least 30 metres.

Existing CCR diver pathway:

✔️ Minimum age: 18.

✔️ Air Diluent CCR certification or equivalent.

✔️ Thirty dives and thirty hours on the unit.

✔️ Six months of CCR experience.

Sidemount CCR training additionally requires sidemount certification, ten logged sidemount dives and compliance with manufacturer prerequisites.

All participants must complete the required medical questionnaire, obtain medical clearance where indicated and complete the course documentation.

Ready to Take the Next Step?

Contact us at blackandwhitediving@gmail.com with your preferred dates, certifications, CCR unit and relevant dive experience. We’ll confirm your entry pathway and prepare your personalised quote.

Plan your dive. Dive your plan.