Become an Extended Range Professional
Teach Extended Range diving and become an ambassador for this exciting sport. SSI has a broad range of professional SSI courses, meaning you can follow your passion and meet your personal goals. Depending on your experience and training, you can become an instructor in overhead, rebreather, or open-circuit courses. You will teach divers how to plan and conduct dives in new environments, with new equipment, and beyond the decompression limit. As you lead certified technical divers and run different levels of Extended Range courses, you can explore the world’s best technical dives and truly immerse yourself in SSI scuba diving.
Ask your training center about upcoming Extended Range courses and start your SSI dive courses today!
Explore SSI’s range of professional open-circuit courses
With SSI’s Extended Range open circuit programs, there is no limit to your tec diving ambitions! Your first step is to become an SSI Extended Range Instructor and teach others the thrill of diving up to 45 meters deep. When you are ready, get certified as an SSI Technical Extended Range Instructor and teach decompression diving up to 60m deep. Take the ultimate step as an open-circuit instructor and dive to 100m deep as an SSI Hypoxic Trimix Instructor.
Extended Range Nitrox Diving Instructor
Extended Range Trimix Instructor
Extended Range Foundations Instructor
Extended Range Sidemount Instructor
Technical Extended Range Trimix Instructor
Hypoxic Trimix Instructor
Extended Range Cavern Diving Instructor
Extended Range Instructor Trainer
Share the silence – Become an SSI rebreather professional
Share the silent world and enhance your career with SSI’s range of professional rebreather courses. Get started with the SSI SCR Diving Instructor course and teach no-decompression dives up to a maximum depth of 30 meters using the Mares Horizon semi-closed rebreather (SCR). Extend your range! As an SSI SCR Extended Range Instructor, you can train divers to conduct decompression dives up to a maximum depth of 40 meters using the Mares Horizon SCR.
Are you passionate about closed-circuit rebreather (CCR) diving? The SSI CCR Diving Instructor course certifies you to teach no-decompression dives to a maximum depth of 30 meters using a CCR. Challenge yourself and become a CCR Extended Range Trimix Instructor to teach mixed gas decompression dives to a maximum depth of 45 meters. Is that no longer enough? Teach unlimited decompression diving to 60 meters as a CCR Technical Extended Range Instructor. Are you ready to take it all the way? Become a CCR Hypoxic Trimix Instructor and teach decompression diving to depths of up to 100 meters.
Leave the daylight behind – SSI Cave Instructor courses
Become an SSI Extended Range Cavern Diving Instructor to certify SSI Recreational Cavern/Cenote Diving and Extended Range Cavern Diving courses. Ready to leave the daylight behind and explore further? Become an SSI Cave Diving Instructor. You will teach others how to safely penetrate caves with a single navigation decision and deal with problems in this extreme environment. Take the ultimate step and join the ranks of elite dive instructors – become an SSI Full Cave Diving Instructor! You will train divers to dive the most challenging environments there are and undertake the ultimate in overhead environment training.
Taste the history – Become a Wreck Instructor
Indulge your passion for wreck diving and teach others to conduct wreck penetration dives. Start by becoming an SSI Extended Range Wreck Diving Instructor and certify divers to conduct wreck penetration dives within the daylight zone to depths of up to 40 meters. Take the next exciting step in your SSI scuba diving career and become an SSI Technical Wreck Diving Instructor. You will get certified to teach divers to conduct complex navigation wreck penetration dives.
Extend your skills to further your career
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.
Biggest Sea Creatures: 10 Ocean Giants Divers May Encounter
2026-06-01Discover the biggest sea creatures in the ocean, from blue whales and whale sharks to manta rays, turtles, sharks, and other ocean giants divers may encounter.
Wreck Diving in the Bay of Kotor: The Ship That Sank Twice
2026-05-22Explore wreck diving in the Bay of Kotor, where Kaiser Franz Joseph I rests as a historic Adriatic shipwreck that sank
Find Your Tribe: How to Choose the Right Dive Group for You
2026-05-14Looking for your perfect dive group? Here is how to find a supportive, welcoming community that shares your passion and makes every dive unforgettable.