copyright 2014, Tamara Thomsen. All rights reserved.

TDI Advanced Nitrox

This course examines the use of EAN21 through 100% Oxygen for optimal mixes to a depth of 130 FSW. Students will learn the benefits, hazards, and proper procedures for utilizing EAN21 through 100% Oxygen for dives not requiring staged decompression.


The classroom portion of this class will review the following topics:

  • Tech Diving Fundamentals
  • Diving Physics and Gas Laws
  • Gas Physiology
  • Formula Work
  • Equipment
  • Making Nitrox Work
  • Dive Planning
  • Dive Protocols
  • Common Gas Mixing Procedures

Open Water Dives

Four dives are required with a minimum bottom time of 100 minutes. Open water skills will include properly analyzing gas mixtures, demonstrating pre-dive planning, and executing the planned dives within the limits. Maximum training depths will not exceed 130 FSW.

Course Options

This course requires both home-study and in-class lectures as well as open water dives. Classes are offered on a regular basis

Prerequisites and Requirements

Students must have the following for class:

  • Students must be 15 years of age
  • Students must have TDI Nitrox or equivalent rating
  • Students must have 25 logged dives
  • Diversions' Student Agreement on file
  • Students must purchase a copy TDI's A Guide to Advanced Nitrox manual.
  • Please review the technical diving gear list for gear requirements for this course

Course Fees

Please contact us for the most current pricing. Course fees do not include books, gases, or certification card.

Course Availability

Courses are offered on a regular basis and upon request. Please review our calendar and then contact us.

Copyright , Diversions Scuba, LLC. All rights reserved.