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The TDI Advanced Trimix Diver course is the top level of training for open circuit divers wishing to dive to depths as deep as 100 meters (330 feet) utilizing hypoxic levels of oxygen (17% or lower).


This course is perhaps one of the most informative and challenging and upon completion you are among some of the most elite divers. Your TDI Instructor will teach you:

  • Equipment management
  • Multiple stage cylinder labeling and placement
  • Complex decompression planning and contingency planning
  • Dive team awareness and communication
  • Gas monitoring and management
  • Use of travel gasses

The TDI Advanced Trimix manual is one of the most up to date manuals and includes all the latest of technology and practices being used.

Course Prerequisites:

  • Extended Range Diver or Trimix Diver
  • 100 dives with 25 dives over 30 meters
  • Logged twin tank experience
  • 18 years of age

Additional Costs & Course Information:

  • Gas: Price Extra
    • Approximate gas cost is $120-$240 per dive depending on depth
    • Helium price based on per fill liter of gas
    • Travel and Deco gas price based on mix
    • Student must also pay for Instructors gas
  • Equipment: Price Extra
  • Time: 6 to 7 days
  • Dives: 6 dives


Diving ActivityPrice (IDR)
Advanced Trimix Diver 12,600,000
PADI CDC Career Dive Professional

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