TDI Advanced Nitrox Diver

This course teaches you how to use EAN-21 through to 100 percent oxygen for optimal mixes to a depth of 40 metres / 130 feet. The objective of this course is to train you in the theory, benefits, hazards and proper procedures for utilizing EAN-21 through 100 percent oxygen for dives not requiring staged decompression.



  • Minimum certification of TDI Nitrox Diver, or equivalent
  • Show proof of 25 logged open water dives
  • Be medically fit to dive
  • Minimum age 18, 15 with parental consent
  • Students are expected to have read the course manual and completed all reviews before the start of the course



  • Manuals and certification fees
  • Classroom tuition
  • Confined water dive to review safety and basic dive skills
  • 4 open water dives, entry fees not included

Course dates

Course cost

We accept credit cards at our shop or over the phone.

Learn more about TDI here:

Course Outline:


  • Home study knowledge Development with classroom support to ensure a thorough understanding of the basic principles of technical diving. 
  • Minimum number of classroom and briefing hours is 6.
  • 4 Open Water dives to review your skills with a minimum accumulated bottom time of 100 minutes
  • Confined water dives available to review safety and basic dive skills


Call 01242 680003 to book your course