Become an SSI Extended Range Trimix Instructor

The SSI Extended Range Trimix Instructor Development Course is designed to provide candidates with the knowledge and instructional proficiency necessary to conduct the SSI Extended Range Trimix program. Upon completion, instructors will be qualified to train divers in planning and executing independent decompression dives to depths of 45 meters (145 feet).

This course emphasizes the application of trimix gas mixtures to reduce inert gas narcosis and enhance diver safety. Successful completion allows candidates to earn certification as an SSI Extended Range Trimix Instructor or SSI Extended Range Instructor, expanding their professional scope within technical diver education.

Facts and Training Standards

Amount of Academic Sessions: 4

Amount of Pool/Confined Water Sessions: 2

Amount of Open Water Sessions: 2

Maximum Training Depth: 45 m / 145 ft

Suggested duration: 16 hours