Extended Range Instructors

At some point nearly every diver wants to extend their knowledge beyond the limits of recreational
diving and wants to experience more, a little longer, or a little deeper. XR has it all! Professional training materials, comprehensive standards and flexible course combinations make the SSI
XR Range of programs a unique experience. All courses and training materials were developed by
industry professionals with decades of technical diving experience. XR offers four entry specialties:
Advanced Wreck, Cavern, Extend Range Nitrox Diving and Gas Blender. To qualify for an Extended
Range Instructor Course you need a minimum Instructor rating in: Deep Diving, Enriched Air,
Nitrox, Stress & Rescue, Science of Diving and an Extended Range Diver certifcation.

Introduction to Technical Diving

Now that you have moved beyond recreational diving with Extended Range, there is more! You
can choose between Multi Gas Diving Programs (Technical Extended Ranges) or Overhead Environment Programs (Technical Wreck Diving or Cave Diving). Then you need to acquire diving
and training experience to qualify for the higher rating(s). The SSI Extended Range Instructor
Programs require a certifcation at diver level plus adequate diving experience in the area you want
to qualify for.


Extended Range Instructor
Start teaching divers to be full ‘Technical Divers’ with Twinsets and Trimix to 45m. This program focuses on trim and supreme buoyancy. Emergency and rescue skills are also a core focus.

Technical Extended Range Instructor
We are starting to get really serious now. Full unlimited decompression to 60m with multiple stage cylinders. Some of the worlds best dives are now opening up, divers will see you as a mentor from this level.

Hypoxic Trimix Instructor
Want to make explorers as well as divers? The Hypoxic Trimix program is limited to 100m during training but divers can push their limits slowly after certifcation. You will be their guide.

Technical Wreck Diving Instructor
Technical Wreck Diving will allow you to train divers to fully penetrate wrecks, giving you the time to explore the inner environment of the wreck. You need to be qualifed as an Extended
Range Instructor and be certifed in Technical Wreck Diving. Additionally you will need 50 or
more logged tech wreck dives as well as attend an XR Technical Wreck ITC with an XR Instructor

Cave and Full Cave Diving Instructor
Safety is the number one concern, teach confdence as a Cave Instructor and train penetrations on a single line with basic navigation in caves. Full Cave is the highest level of OHE, allowing you to train divers to penetrate deep into caves. You need to be qualifed as an Extended Range Instructor and be certifed in Full Cave Diving, provide proof of experience of 100 cave dives and attend the Full Cave ITC with a XR Instructor Trainer.

The Dark Side…

How deep can you go?