TDI CCR Air Diluent Diver Course

Silent, Efficient, Modern Diving — Start Your Rebreather Journey at Signature Scuba!

Breathe Differently. Dive Differently.

The TDI CCR Air Diluent Diver Course is your first step into the world of closed-circuit rebreather (CCR) diving. At Signature Scuba in Rancho Cucamonga, we’ll guide you through the essential skills, equipment, and mindset you need to dive a recreational rebreather unit safely to a maximum of 100 feet (30 meters), using air as a diluent and no required decompression.

Whether you're into underwater photography, extended bottom times, or future tech diving paths, this course will transform how you experience the underwater world.

What You’ll Learn:

The fundamentals of CCR technology and dive theory

How to assemble, test, and maintain your rebreather unit

Understanding PO? setpoints and oxygen management

Dive planning using constant PO? profiles

Bailout procedures and emergency drills

Buoyancy control and trim with a CCR system

Hands-on training in unit-specific protocols (e.g., Poseidon, JJ-CCR, Prism 2, etc.)

You will train on the specific CCR unit of your choice (approved TDI unit list), with detailed practice on pre-dive checklists, problem-solving, and real-world dive skills.

Course Includes:

TDI CCR Air Diluent eLearning

Confined water skill development

4 open water training dives (maximum depth: 100 ft / 30 m)

Gas planning, unit calibration, and emergency scenario training

Detailed rebreather checklists and instructor-led equipment orientation

Unit-specific certification valid worldwide

Who This Course Is For:

Certified open circuit divers (minimum Advanced Open Water)

Divers with a strong interest in extended bottom time and silent diving

Underwater photographers or videographers seeking bubble-free diving

Recreational divers exploring rebreather technology before moving into tech

Anyone preparing for TDI Decompression Procedures, Helitrox, or Trimix CCR

Why Learn CCR at  Signature Scuba?

At Signature Scuba in Rancho Cucamonga, our TDI instructors are experienced technical divers who understand rebreathers in real-world conditions. We offer unit-specific CCR instruction with personalized training on gear setup, dive planning, and situational awareness. With access to ideal training environments across Riverside County, Orange County, Pasadena, and beyond, you'll gain experience in both controlled and open water scenarios.

We don’t just teach rebreather diving—we live it.

Join the Future of Diving

The TDI CCR Air Diluent Diver Course introduces you to one of the most exciting technologies in scuba diving. Silent, efficient, and endlessly rewarding, rebreather diving is your key to a new kind of underwater experience.

Contact Signature Scuba to schedule your rebreather consultation and begin your CCR journey today.