Tec Trimix 65 Course

PADI Tec Trimix 65 Course: Explore Deeper with Helium

Ready to manage narcosis and extend your technical diving range? The PADI Tec Trimix 65 course is your introduction to using trimix – a blend of helium, oxygen, and nitrogen – allowing you to explore depths down to 65 meters / 210 feet.

Using helium in your breathing gas reduces the effects of narcosis at depth, enabling clearer thinking and safer diving. This course teaches you how to plan and execute these deeper dives correctly.

You'll learn about:

• Trimix Diving Principles: Understanding depth ranges, exposure planning, and selecting appropriate trimix blends.
• Advanced Gas Management: Procedures for handling three or four decompression cylinders (typically EANx and/or oxygen).
• Decompression Planning: Utilizing decompression software and multi-gas computers for trimix dives.
• Argon Inflation Systems: Considerations for drysuit inflation with argon (if applicable).
• Emergency Procedures: Handling potential issues specific to trimix diving and deeper depths.

This course involves knowledge development, practical application sessions, and open water dives to apply your skills.

Prerequisites:

• PADI Tec 50 certification (or qualifying certification from another organization)
• Minimum of 100 logged dives
• At least 18 years old
• Medical Statement signed by a physician within the last 12 months
• Current DAN insurance (or equivalent dive accident insurance)

Required Equipment:

A full technical diving setup is required, similar to Tec 50, but configured for trimix and multiple decompression gases:

• Backmount twin cylinders OR Sidemount cylinders (with appropriate harness/wing BCD)
• Two (2) or more decompression cylinders (e.g., AL40/40 cu ft or larger), oxygen clean, with regulators.
• Two (2) dive computers or bottom timers (or one of each), multi-gas capable
• Exposure suit appropriate for cold water diving (drysuit highly recommended)
• Reel and lift bag or DSMB
• Two (2) cutting devices
• Underwater slate or wetnotes
• Compass
• Two (2) dive lights
• Backup buoyancy device (drysuit inflation, lift bag, or dual bladder wing)
• Backup mask
• Argon inflation system (if used)

Included: Training, Processing Fees, Course Materials

Not Included: Lodging, gas fills (including helium), required personal gear, quarry entrance fees, transportation.

Location: This course typically takes place over a weekend at Lake Wazee.

Take the step into trimix diving and explore deeper. Enroll in the PADI Tec Trimix 65 course online today!

Key Topics

• Introduction to using Trimix (helium, oxygen, nitrogen blends)
• Qualifies divers for: Dives to a maximum depth of 65 meters / 210 feet using trimix.
• Covers:
  
  • Trimix depth ranges & exposure planning
  • Selecting trimix blends
  • Argon inflation systems (if applicable)
  • Handling 3-4 decompression cylinders
  • Decompression models, software & multi-gas computers
  • Emergency procedures for trimix diving
  • Includes knowledge development, practical application sessions, and open water dives.
• Prerequisites:
  
  • PADI Tec 50 (or equiv.)
  • Min. age 18
  • 100+ logged dives
  • Current Medical Statement (<12 mo)
  • Current DAN Insurance (or equiv.)
• Required Equipment: Full technical setup including twinset/sidemount, multiple deco bottles/regs (confirm number needed), redundant computers/timers, lights, cutting devices, backup buoyancy/mask, reel/lift bag/DSMB, Argon setup (if used).
• Included: Training, Processing Fees, Course Materials
• Excluded: Lodging, Gas Fills (incl. Helium), Personal Gear, Park Fees, Transportation
• Typical Location: Lake Wazee (weekend format)
• Outcome: PADI Tec Trimix 65 certification.