The TDI Advanced Nitrox course examines the use of EAN-21 through 100 percent oxygen for optimal mixes to a depth of 40 metres / 130 feet. The objective of this course is to train divers in the benefits, hazards and proper procedures for utilizing EAN-21 through 100 percent oxygen for dives not requiring staged decompression. TDI Decompression Procedures or the Intro to Tech may be combined with this course at the discretion of the instructor. complete training of subject matter

Student Prerequisites

  • Minimum age 18, 15 with parental consent
  • Minimum certification of TDI Nitrox Diver, or equivalent
  • Show proof of 25 logged open water dives
  • If this course is taught in conjunction with the TDI Decompression Procedures course, the minimum age is 18

Open Water Execution

  • Four dives are required with a minimum accumulated bottom time of 100 minutes
  • If the TDI Advanced Nitrox course is taught in conjunction with decompression procedures*, only a total of 6 dives are required, more may be conducted at the discretion of the instructor, with a maximum depth of 45 metres / 150 feet
  • If Advanced Nitrox is taught in conjunction with Intro to Tech*, only a total of four (4) dives are required, more may be conducted at the discretion of the instructor, but all dives must be conducted at depths within the diver’s current level of certification and no dives should exceed 23 metres / 75 feet
  • Only 2 dives from advanced wreck course may be credited towards the total dives required

Course Structure

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

Duration

  • The minimum number of classroom and briefing hours is 6

* – A 3-way combination of TDI Intro to Tech, Advanced Nitrox and Decompression Procedures is permitted with a minimum of 8 dives required. The prerequisites for advanced nitrox and decompression procedures diver must be met for this combination before starting the program.

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