Start CCR Extended Range Trimix Diving Today!

The SSI CCR Extended Range Trimix program builds upon skills and techniques learned as a basic rebreather diver by increasing depth, duration, introducing decompression, and adding more complex skills. Training is available using either rEvo, JJ, AP Inspiration, Poseidon, Prism 2, or SF2 CCR rebreathers. SSI has developed this unit-specific program to use trimix as the breathing gas to reduce gas density and increase diver safety.

Your CCR Extended Range Trimix certification qualifies you to conduct decompression dives to a maximum depth of up to 45 meters using a trimix diluent. Take your diving to the next level with the exciting world of rebreathers. Get started online today!

Discover Local Course Dates

Whether you’re on the move or planning ahead, we’ve got you covered. Never miss out on exciting training opportunities and register with ease.

Facts and Training Standards

Amount of Academic Sessions

 

8

Amount of Pool/Confined Water Sessions

 

1

Amount of Open Water Sessions

 

6

Maximum Training Depth

 

40 m / 130 ft

Suggested duration (h)

 

40

Certification Prerequisites

 

Deep Diving certification, Closed Circuit Rebreather Diving cerification, Extended Range Nitrox certification

Languages

CCR for the technical diver

Here are the benefits you can expect from attending this training program:

Learn the fundamental principles of decompression diving that you will carry throughout your extended range journey

Learn to manually maintain a malfunctioning rebreather to reach the surface safely

Dive to 45 meters using trimix with decompression

Take your Rebreather Training Further

Maximize your rebreather skills by continuing your training. Learn to conduct decompression dives and extend your dives. Take the next step and become a CCR Technical Extended Range or CCR Hypoxic Trimix diver. Expand your rebreather training by trying the Mares Horizon semi-closed rebreather with the SCR Extended Range program. With our range of rebreather programs there are no limits to your diving ambitions and goals.

More Information

Training Prerequisites

SSI Entry-Level Programs – Open Water Diver, Freediver, or Mermaid require students to complete a water fitness evaluation prior to open water training. The goal of this evaluation is to determine a comfort level baseline consisting of:

Swim Assessment

Survival Float

Technical Requirements

To start training, students must create a MySSI profile. This can either be done via the SSI website at www.divessi.com/register or by installing the MySSI App.

Simply download the app for either iOS or Android, set up the user profile, and access the world of diving in minutes! The MySSI App safely stores everything in one place, online or offline – training materials, logbook, and certification cards. This includes Recreational Scuba, Extended Range, Freediving and Mermaid.

Training Center Selection & Affiliation

Every student must select an SSI Training Center as their “Training Partner” during the course registration process. Affiliation ensures personalized service and a high-quality training experience.

Students can also change affiliation or choose to affiliate with multiple Training Centers in their user profile. When affiliating with a Training Center online or via the MySSI App, a Privacy Policy Agreement will be processed to comply with GDPR regulations.

Medical & Administrative Requirements

Each student or candidate must complete the required SSI Training Record Forms prior to participating in any SSI training program. The forms for minors must be reviewed and signed by a parent or guardian.

Responsible Diver Code

SSI Responsible Diver Code - Scuba DivingSSI Responsible Diver Code - FreedivingSSI Responsible Diver Code - Extended Range Diving

Diver Medical Statement & Questionnaire or Physician’s Approval to Dive (where required)

Training Assumption of Risk, Liability Release, & Liability Release, & Hold Harmless Agreement (where required / not applicable within the European Union)

Program-specific Completion Record (done by the Instructor prior to certification)

Training Course Costs

Training consists of various components which are either charged singly or as a package depending on the selected Training Center. The components are:

Training Materials / Digital Kit

Tuition for Academics and In-Water Training

Open Water Training Dives

Certification

Discover the wonders of the deep with SSI's blog

Join us on an exciting journey of discovery and learn more about exhilarating diving adventures, dedicated conservation initiatives, and innovative educational opportunities that will help you illuminate the extraordinary beauty of the underwater world. Let's explore the underwater world together and delve into the hidden wonders beneath the gentle waves.

Featured destinations that are ideal for technical diving

SSI’s Extended Range allows you to go beyond the limits of recreational diving. This extensive compilation of globally recognized tec diving programs will equip you to go decompression diving, explore more challenging environments, and use new equipment configurations.