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Extended Range

Extended Range


The SSI Extended Range program qualifies you to dive to a depth of 45 meters / 145 feet using nitrox mixtures of up to 100%. The program can be completed wearing a complete Extended Range Total Diving System, appropriate for single gas switch, accelerated decompression diving. You will earn the SSI Extended Range certification after completing this program.


  • Minimum Age: 18
  • Certification Prerequisites: Enriched Air Nitrox 40% certification
  • Deep Diving certification
  • 50 logged dives
  • Academic Sessions: Online Program
  • Pool/Confined Water Sessions: 1
  • Open Water Dives: 6
  • Maximum Training Depth: 45 meters / 145 feet
  • Suggested Duration: 18 hours
  • Specialized Equipment: Refer to SSI Standards

Please refer to the SSI Training Standards for more detailed information


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