Independent course guide · References checked 30 September 2026. Confirm current standards and your eligibility with an authorised instructor.
Where this course fits
A nitrox qualification and logged experience are required. Confirm the current course standards and skill expectations.
Ask whether it is a standalone or combined course and exactly which certifications will be assessed.
TDI Advanced Nitrox Diver: learning scope
Entry & preparation
A nitrox qualification and logged experience are required. Confirm the current course standards and skill expectations.
What you study
Study higher-oxygen gas use and the practical discipline needed for advanced gas management.
- Oxygen exposure and gas selection
- Analysis and equipment considerations
- Practical planning and gas management
Qualification boundary
Advanced Nitrox alone does not qualify you for planned staged decompression. Decompression Procedures addresses that separate scope.
A visual summary of this independent course guide. Confirm current prerequisites and standards with the agency and instructor.
What the training focuses on
| Learning area | Discuss before booking |
|---|---|
| Oxygen exposure and gas selection | How will this be taught and assessed? |
| Analysis and equipment considerations | What preparation and equipment should I bring? |
| Practical planning and gas management | What happens if I need more practice? |
Understand the qualification’s scope
Advanced Nitrox alone does not qualify you for planned staged decompression. Decompression Procedures addresses that separate scope.
Frequently asked questions
Is this just another recreational nitrox course?
No. It develops advanced gas knowledge and skills beyond recreational nitrox.
Can I plan decompression with this certificate alone?
No. Obtain the appropriate decompression qualification and satisfy its requirements.
Why is it often paired with Decompression Procedures?
The gas and decompression skills complement one another, but the courses retain distinct requirements.
What should an Australian course quote include?
Ask for an itemised total covering learning materials, practical sessions, certification, equipment, boat or site fees and any extra training. Availability, duration and prices are centre-specific.
Where do I confirm the latest prerequisites?
Use the official TDI information linked below and ask the authorised instructor to check your certification, age, experience, medical and first-aid records. A similar course name from another agency is not automatic equivalence.
Official course information
TDI: Advanced Nitrox Diver ↗Agency standards determine certification requirements. This guide does not reproduce the full standard or imply agency endorsement.
Related next steps
Check prerequisites and readiness before choosing another course.