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SSI XR Programs

SSI´s Extended Range programs form a bridge between Recreational Diving and Technical Diving. They are designed to allow you, the recreational diver, the chance to enter the exciting world of Extended Range diving without necessarily having to dramatically change your existing diving philosophy. These programs simply enhance and build upon your existing knowledge. They provide the components that will allow you to use the different gases, new equipment and skills necessary to complete limited decompression schedules.

Extended Range Nitrox

This program qualifies you to dive to 40 meters using nitrox and 15 minutes of accelerated decompression using a one stage decompression gas (oxygen). The program can be completed wearing a single cylinder with either a pony bottle or an H/Y valve or a technical total diving system.


Extended Range

This program qualifies you to dive to 45 meters using nitrox and 20 minutes of accelerated decompression using a one stage decompression gas (oxygen). The program can only be completed wearing a technical total diving system.


Extended Range Limited Trimix

As with Extended Range this course allows you to dive to 45 meters and 20 minutes of accelerated decompression time using one stage decompression gas (oxygen). The program can only be completed wearing a full technical total diving system. In addition to using nitrox, you will be qualified to use Trimix with a minimum oxygen content of 21%. The Limited Trimix program is specifically designed to reduce nitrogen narcosis in the extended range diver.


Advanced Wreck Diving

This program allows limited penetration into the wreck overhead environment. You will learn overhead buoyancy and propulsion skills along with line laying and light usage. The program can be completed wearing a single cylinder with either a pony cylinder or H/Y valve or a technical total diving system.


Cavern Diving

As with wreck, this program allows limited penetration into the cavern zone. You will learn cave buoyancy and propulsion skills along with line laying and light usage. You will also practice lost line and lost teammate procedures. The program can be completed wearing a single cylinder with either a pony cylinder or H/Y valve or a full technical diving system.