Extended Range

This SSI Extended Range Trimix training program is the core course from which all other open-circuit courses are derived. This program is the starting point of your exciting adventure to becoming a competent technical diver. Whether in sidemount or scuba configuration, this program prepares you to plan and conduct trimix decompression dives to a maximum depth of 45 m. You'll learn the techniques and procedures for using trimix and nitrox breathing gas mixes up to 100% oxygen for decompression. You will earn the Extended Range Trimix Diver certification after completing this program and increase your knowledge as a technical diver.