We offer the full line of XR courses: SSI Foundation, SSI Extended Range Nitrox, SSI technical extended range trimix,

SSI Technical Extended Range Trimix

The SSI Technical Extended Range Trimix program provides divers with the training necessary to independently plan and conduct two-gas switch, multiple-stop decompression Trimix dives to depths of up to 60 m, using specialized diving equipment and procedures with an equally- or more-qualified buddy.

Prerequisites SSI Technical Extended Range Trimix:
  • Min. 18 years old
  • 70 logged dives (20 dives deeper than 30m, 10 dives requiring staged decompression with at least one (1) gas switch (not including training dives)
  • Have at least 1 of the following SSI certifications or an equivalent from a recognized training agency:
  • Extended Range
  • Full Cave Diving
  • Technical Wreck Diving
Requirements For Completion:
  • Complete all academic sessions and assessments as outlined in the instructor manual for Extended Range Diving.
  • Complete the program’s final exam (If qualifying for Extended Range Trimix, complete an SSI Extended Range Trimix final exam)
  • Independently plan a full dive plan using the Extended Range Dive Planning sheets.
  • Complete the XR Water Fitness Evaluation as outlined in the SSI Training Standards.
  • Complete at least one 1 pool/confined water skill development session lasting at least 90min as outlined in the instructor manual for SSI Technical Extended Range Trimix.
  • Complete at least 6 open water training dives as outlined in the instructor manual for Technical Extended Range (total of 210 min)
SSI Extended Range