Recreational Sidemount Diving

Provides divers with the knowledge and skills needed to safely and comfortably dive with a single- or two-cylinder sidemount equipment configuration​. Recreational sidemount diving is... Find Out More

Extended Range Foundations

Provides divers with a workshop environment to improve their skills to a high level using Extended Range Total Diving Systems and procedures​. This course can be taught on Recreational, Tw... Find Out More

Extended Range Nitrox Diving

Provides divers with the training necessary to independently plan and conduct decompression dives to a maximum depth of 130 feet, with gas mixtures up to 100% oxygen, for a maximum accumulated de... Find Out More

Extended Range

Provides divers with the training necessary to independently plan and conduct decompression dives to a maximum depth of 150 feet, with gas mixtures up to 100% oxygen, for a maximum accumulated de... Find Out More

Technical Extended Range

Provides divers with the training necessary to independently plan and conduct two-gas switch, multiple-stop decompression dives to a maximum depth of 165 feet, with gas mixtures up to 100% oxygen... Find Out More

Extended Range Wreck Diving

Provides divers with everything needed to plan and conduct wreck penetration dives within the daylight zone to a maximum of 130 feet. Divers will learn to use specialized wreck diving equipment, gas m... Find Out More

Extended Range Cavern Diving

Provides divers with the knowledge of how to use cavern diving equipment, gas management concepts, and buddy team skills to safely conduct cavern penetration dives within the daylight zone to a maximu... Find Out More

Extended Range Foundations Ins...

Provides instructors with the training to be able to issue certifications in Extended Range Foundations based on the specific configuration(s) in which they hold instructor-level ratings.   ... Find Out More

Extended Range Instructor

Provides instructors with the training to be certified as either an Extended Range Instructor or Extended Range Trimix Instructor. Upon completion, instructors will be able to certify students as... Find Out More

Extended Range Instructor Cros...

This program provides an orientation to Extended Range philosophies and procedures, training standards, the SSI Education System and the Extended Range skills required in the Extended Range training p... Find Out More