The TDI Sidemount course is designed to teach certified divers how to safely utilize side-mounted primary cylinders as an alternative to the traditional back-mounted configuration. The TDI Sidemount course can be combined with other TDI courses such as: Decompression Procedures, Extended Range, Trimix, Advanced Trimix and Advanced Wreck. If combined the standards for both courses must be met.

Open Water Execution

  • Three dives are required with a minimum accumulated bottom time of 90 minutes

Course Structure

  • TDI allows instructors to structure courses according to the number of students participating and their skill level


  • The suggested number of classroom and briefing hours is 4
  • Course must be taught over a minimum of 2 days

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