XR Training Standards and Procedures

Open-Circuit Professional Programs

Hypoxic Trimix Instructor

Intent

The SSI Hypoxic Trimix Instructor Training Course certifies the candidate as a Hypoxic Trimix Instructor.

Minimum Instructor Rating

An active status Hypoxic Trimix Instructor Trainer may conduct the Hypoxic Trimix Instructor Training Course.

Candidate Prerequisites

  • Own and use a Total Diving System in the appropriate equipment configuration as outlined in the SSI General Training Standards.
Have logged at least:
  • 250 total dives.
  • 30 decompression dives deeper than 60 meters.
Have the following SSI certifications or an equivalent from a recognized training agency:
  • Hypoxic Trimix
Have issued at least:
  • 10 Technical Extended Range certifications.

Note | If candidate has not issued the required certifications, they may complete the Instructor Training Course by requesting a waiver and meeting additional completion requirements. See “Requirements for Completion” for details.

Have the following active status SSI certifications or an equivalent from a recognized training agency:
  • Deep Diving Instructor
  • Diver Stress & Rescue Instructor
  • Enriched Air Nitrox Instructor
  • Technical Extended Range Instructor

Duration

  • Recommended hours for completion: 16.

In-Water Ratios

  • The candidate-to-instructor ratio is 3:1.

Depth Limitations

  • Maximum pool/confined water depth limit: 12 meters.
  • Maximum open water depth limit: 100 meters.

Requirements For Completion

Attend a three-day seminar and successfully complete:
  • A review of all SSI General Training Standards, and the standards related to the XR programs the candidate is earning a certification for.
  • A review of the program-specific student and instructor materials.
  • The applicable final exams.
  • An academic presentation on a topic applicable to the program and training level.
  • A dive planning session for orientation to the XR Dive Planning Sheets.
  • An equipment configuration session for the appropriate Total Diving System.
  • The XR Candidate Water Fitness Evaluation as outlined in the SSI General Training Standards if it has been more than six months since the candidate has been evaluated.
  • A pool/confined water session that includes the presentation and evaluation of all required program skills. All skills must be done with demonstration quality.
  • An in-water teaching presentation on a topic applicable to the program and training level.
  • While acting as an instructor, plan and conduct at least one (1) full decompression dive from the Hypoxic Trimix program.
  • Demonstrate the ability to rescue an unconscious diver by bringing the diver to the surface from a depth between 5 and 10 meters.

Notes

  • The minimum required Total Diving System and stage cylinders must be worn during all in-water training.
  • During the planned dive, the candidate will supervise an assistant or another candidate acting as the student.
  • The dive must be to a depth of at least 80 meters, with at least 30 minutes of planned staged decompression time, and at least two (2) gas switches.

Co-Teaching Waiver

Prior to receiving their certification, candidates who have not issued the required number of certifications must complete the following requirements after successful completion of the seminar:
  • Co-teach at least two (2) complete Hypoxic Trimix programs with an active status Hypoxic Trimix Instructor.
  • Provide recommendation letters (completed and signed by the supervising instructor) for each co-taught program.

Certification

In addition to the programs taught by active status Technical Extended Range Instructors, active status Hypoxic Trimix Instructors may teach, supervise and issue certifications for the following programs using the equipment configurations they are qualified to teach in:
  • Hypoxic Trimix
  • Create Personal Note
  • Report Translation Mistake
  • Report Technical Error