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Open By Appointment
Email: SCUBA@beaverdivers.com 
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or call (970) 949-1012

TDI Advanced Nitrox



Who this course is for:

  • The certified nitrox diver looking to expand their understanding of nitrox mixtures containing more than 40% oxygen
  • The certified nitrox diver looking to expand their in-water skills
  • The certified diver who has interest in moving forward with technical diving education

Course prerequisites

(these requirements must be met prior to the start of the course):

  • Minimum age 18, 15 with parental consent
  • Minimum certification of TDI Nitrox Diver or equivalent
  • Proof of 25 logged open water dives

What you can expect to learn:

Advanced Nitrox picks up where TDI Nitrox leaves off and offers a more in-depth look at diving with nitrox including:

  • Physics and physiology relating to diving with gas mixes containing more than 40% oxygen
  • Gas planning, dive tables, dive computers, oxygen limitations, nitrogen limitations
  • Equipment considerations, cylinder labeling, analyzing nitrox mixtures, gas blending procedures, and oxygen service ratings for using gases with more than 40% oxygen

Some of the skills you will complete in this course include:

  • Demonstrate buoyancy control; ability to hover at fixed position in water column without moving hands or feet
  • Show good awareness of buddy and other team members through communication, proximity, and team oriented dive practices
  • Demonstrate the ability to manage free flow from primary regulator in controlled fashion, shut down cycle, and switch to back up regulator
  • Conduct appropriate safety stop while maintaining neutral buoyancy
  • Demonstrate the ability to share air with buddy as both recipient and donor in a controlled manner while maintaining position in the water column
  • Demonstrate correct body position; appropriate trim, such as horizontal/streamlined when moving forward
  • Demonstrate proper stress analysis with self and dive buddy

What’s in it for you?

  • Ability to dive using EAN 21 through 100 percent oxygen provided:
    • The diving activities approximate those of training
    • The areas of activities approximate those of training
    • Environmental conditions approximate those of training
  • Ability to enroll in TDI Decompression Procedures, TDI Semi-closed Rebreather courses, TDI Closed Circuit rebreather courses

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Includes the eLearning and the practical portion.

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Included Materials


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This class cannot be purchased online. Please contact the store for more information.