Technical Extended Range Course

Train to independently plan and conduct two-gas switch, multiple stop decompression dives using two-stage decompression gases to depths of 50 meters when using Air or 60 meters when using Normoxic Trimix (min 18% Oxygen content). Complete the programme wearing a full Extended Range total diving system.

Starting from $1239

Further your technical diving training with SSI Technical Extended Range! Teaching you further in depth in decompression theories and models, and learn how to conduct safe decompression dives, using two stage cylinders with nitrox mixes up to 100%.

This course can also be done using Trimix, training you to dive to depths on 60m, and managing the use of helium in deep decompression dives.

Technical Extended Range Course Essentials

Info Squared | Eko Divers


  • Be At Least 18 Years of Age or Older
  • Science of Diving Certification
  • Diver Stress & Rescue Certification
  • Extended Range or Full Cave Diving or Technical Wreck Diving Certification
  • 70 logged Dives
Checked Checkbox | Eko Divers


  • All Course Materials
  • 1 Theory Session
  • 1 Pool Session
  • 6 Open Water Dives over 2 weekends
  • Instructor Fees
  • Certification Fees
Close Window | Eko Divers


Technical Extended Range Course qualifies you to

  • Dive to depths up to 50 meters using air or
  • Dive to depths up to 60 meters using Normoxic Trimix (min 18% Oxygen Content)
  • Two stage decompression gases will be used in the program

What's Next?

The fun doesn’t need to stop there! With just a little more training, you can go even further – imagine diving in underwater shipwrecks, with sharks, or becoming an underwater photographer! It s your chance to move to the next level in your diving adventures.