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TDI - Advanced Nitrox / Helitrox
Who this course is for:
The certified Advanced Diver or Intro to Tech Diver looking to expand their knowledge of decompression theory and diving techniques using helitrox
The certified Advanced Diver or Intro to Tech Diver who is interested in extending their bottom time
The certified Advanced Diver or Intro to Tech Diver who has interest in moving forward with technical diving education
Course prerequisites:
Minimum age 18
Minimum certification of SDI Advanced Diver (with Deep specialty) or TDI Intro to Tech Diver, or equivalent
Certified as TDI Advanced Nitrox Diver (unless being taught concurrently)
Proof of 50 logged dives
What you can expect to learn:
Decompression dive planning including:
Gas requirements
Oxygen limitations
Nitrogen limitations
Helium limitations
Decompression gas choices
Tables vs. personal dive computers
Emergency and contingency planning (equipment failure, omitted decompression, etc.)
Helium as a breathing gas
Effects on narcosis
Effects on respiration
Effects as an insulator
Counter diffusion
HPNS
Decompression diving procedures
Equipment selection
Pre-dive checks and drills
Stress analysis and mitigation
Following a decompression schedule
Gas switching
Team awareness and communication
SMB/lift bag deployment
Proper trim, buoyancy and propulsion techniques
Emergency procedures (equipment failures, catastrophic gas loss, omitted decompression, navigational errors, etc.)
Equipment considerations, cylinder labeling, analyzing nitrox mixtures, and gas blending procedures
What’s in it for you?
Ability to conduct decompression diving activities without direct supervision utilizing helium and/or nitrox mixtures provided:
The diving activities approximate those of training
The areas of activities approximate those of training
Environmental conditions approximate those of training
Breathing mixtures do not contain more than 35% helium or less than 21% oxygen
Ability to enroll in TDI Extended Range, TDI Advanced Wreck, TDI Trimix courses
TDI Helitrox Diver minimum requirements:
Satisfactorily complete the TDI Helitrox Diver Course written examination with a passing score of 80% followed by 100% remediation by the instructor
Complete all open water requirements safely and efficiently
Demonstrate mature, sound judgment concerning dive planning and execution
Skill Level:
Advanced
Skill Details:
Instructor:
Jason Meany
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