Advanced Nitrox
Are you looking to expand your dive time? Maybe you’re a scientific diver or photographer looking to stay in the water a little longer?The TDI Advanced Nitrox Course qualifies divers to use enriched air nitrox from EAN 21 through EAN 100 percent within your current certification level to a maximum depth of 40 metres/130 feet during dives that do not require staged decompression. Often taught in conjunction with the TDI Decompression Procedures course, this can be considered the foundation of your technical diving career. TDI Advanced Nitrox is also a must for SCR or CCR divers.
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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
Course Equipment Requirements
- Alternative second stage octopus attached to a primary regulator or a redundant scuba unit; 1.9 litre / 13 cu ft minimum
- A submersible pressure gauge
- Depth gauge and automatic bottom timer and/or dive computer
- Buoyancy compensator device (BCD) with power inflator
- Line cutting device
- Exposure suit adequate for the open water environment
- Cylinder and regulator properly labeled and cleaned as required for EAN mixtures
- Access to oxygen analyzer, may be supplied by instructor
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
- If this course is taught in conjunction with the TDI Decompression Procedures course, the minimum age is 18
Want to know more?
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