This course opens up the advantages of trimix to the diver, and divers are qualified to make multi-stop
decompression dives that employ EANx and oxygen for accelerated decompression, and any trimix with an
oxygen content of 18% or more.They can dive to a maximum depth of 65 metres.

The PADI Tec Trimix 65 course is intended to extend the depth range of technical divers already trained and
qualified to use air, enriched air and oxygen for technical decompression dives beyond 50 metres.

This course is for Tec 50 divers (or those holding a qualifying certification from another training organization).
The course extends your depth range capabilities by training you to use trimix (a blend of helium, oxygen and

Plan and execute at least five trimix decompression dives using various trimix blends, use decompression
software to create custom dive tables and dive plans and make training dives as deep as 65 metres/210 feet.

Topics covered include:

  • Trimix diving depth ranges
  • Exposure planning
  • Selecting a mix
  • Argon inflation systems
  • Handling three or four decompression cylinders
  • Decompression models
  • Emergency procedures
  • Face masks and multi-gas computers.

The Tec Trimix Diver Crew-Pak includes all required materials.


  • Be a PADI Rescue Diver or equivalent.
  • Proof of CPR and first aid training with the previous two years.
  • Be a PADI Tec 50 Diver or equivalent.
  • Have a minimum of 100 logged dives .
  • Have a medical form signed by your physician
  • Be at least 18 years old

Day #1- 8:00am to 5:00pm (Theory, Gear Configuration Session & Confined Water Dive 1)
Day #2- 8:00am to 5:00pm (Theory & Dive 2)
Day #3- 8:00am to 5:00pm (Theory & Dive 3)
Day #4- 8:00am to 5:00pm (Theory & Dive 4)

COST: $795.00

Includes: Tec Trimix Diver manual, deep stop calculation table, trimix decal and emergency procedures slate, Vinyl Bag, Instruction, Boat Dives, Certification, Certificate, Use of twin tanks & stage bottles if you do not own your own.

All other equipment must be provided by student or can be hired at extra cost.
Gases other than air are extra.

Please Note: If you are entering this course with a Tec 50 equivalent certification, you must do an additional dive. Add $100.00.