What scuba training agency is best for technical diving?
Which is the best scuba training agency for your technical diving training? Understand the differences!
Andy Davis Sidemount Technical Wreck Diving Blog
Articles for beginner to expert scuba divers
Andy Davis Sidemount Technical Wreck Diving Blog
Articles for beginner to expert scuba divers
technical diving advice
Read MoreWhat scuba training agency is best for technical diving?
AI Dive Computers | Using Air Integrated Transmitters for Diving
Are AI dive computers a valuable investment for divers? Honest pro advice on using transmitters with air integrated dive computers.
Using Your Hands Whilst Scuba Diving
Using your hands when scuba diving is inefficient for maneuvering. Learn how to break this habit and become a better scuba diver.
What is the best way to prepare for technical diving training?
Improve your success in technical diving training by following these straightforward steps to prepare yourself before the course starts.
Gradient Factor Comparison: 60m Trimix Case-Study
Comparing three gradient factor settings on a 60m trimix dive plan to discuss off-gassing efficiency and DCS risk.
Technical Diving Skills | Reaching Your Valves
This article, posted at DiveDIR, gives great advice on how to reach your valves when conducting valve shutdown procedures.
Technical Diving Valve Shutdown Drill Explained
Follow these 21 methodical and simple steps to effectively drill the technical diving valve shutdown drill for increased safety & proficiency.
Pony Cylinders and Redundant Air Sources for Wreck Diving
What is a pony cylinder? Why are they recommended for wreck divers? This article answers your questions.
Recreational Diving Limits: Assessing The Grey Area Versus Technical Diving
Recreational diving limits become increasingly blurred with technical diving. Why are limits required & how do divers need to consider them?
A Guide to Modern Sidemount Diving
A comprehensive guide to sidemount diving. What it is, the history, the equipment styles, how it is configured, gear setup and everything else you need to know.
What is the Best Technical Diving Computer? | 2025
My review of the best technical diving computer available in 2025. All the specifications and critique you need to make an informed decision!
The Best Ascent Speed for Scuba Diving
Learn the best ascent speed for scuba diving. Contrary to assumptions, slower is not always safer when it comes to diving ascent rate!
Top-10 Tips: How To Prepare For Technical Diving Training
Technical diving training is HARD! Increase your chance of success with these top-10 tips on how to prepare for your tech diving course!
Showa L2D Tabby Aircraft Wreck | Subic Bay
The L2D Tabby aircraft wreck in Subic Bay. Dive site details, map, history and photos of the wonderful Tabby wreck in Subic Bay Philippines.
How much experience is needed for technical wreck penetration?
How much dive experience is necessary to do technical wreck penetration diving? An honest guide from a 20-year technical wreck instructor.
The Changing Technical Diving Mindset: Issues in Technical Diving
Technical diver mindset: an analysis of change over two decades. Contemporary issues in technical diving and certification.
What is the biggest risk in technical diving (and how to avoid it)
Risk in technical diving and the need for humility and self-awareness. The temptations to ego driven pitfalls and how that risks diver safety.
Technical Diving Development: Goal-Setting For Success!
Don't waste time & money when developing as a technical diver. Create the best training plan to succeed in your tech diving ambitions
Top-5 Best Vacation Diving Travel Fins 2024 | Dive Gear Review
Lightweight diving fins that don't compromise on performance! Here is my pick of the best vacation travel scuba diving fins
Does Nitrogen Narcosis Impairment Persist?
A new study on nitrogen narcosis challenges the long held presumption that nitrogen narcosis impairment dissipates immediately on ascent from depth.
Working as a Technical Diving Instructor
My thoughts on working as Technical Diving Instructor after two decades teaching tech, trimix & overhead diving as a full-time pro.
Technical Wreck Course: What Is Advanced Wreck Training Like?
A technical wreck course is among the most challenging courses for scuba divers. Read this descriptive account of advanced wreck training!
Some Options for Homemade DIY Sidemount Rigs
Some Options for Homemade / DIY Sidemount Rigs When I was a new sidemount diver there weren’t many commercially sold rigs available. As a result, I created several homemade DIY sidemount configurations using what was available; typically converting backmount dive…
XDeep NX Project Wing: Tested and Reviewed
Technical instructor review of the XDeep NX Project doubles wing. A truly innovative tech wing with some excellent and original features.
Compression Arthralgia | Deep Diving Maladies
An overview of compression arthralgia | Hyperbaric deep diving malady | Compression arthralgia causes, symptoms, treatment | By Andy Davis
Scuba Q&A: Why Do Decompression Divers Use Nitrox?
Why do technical decompression divers use nitrox in the shallower part of their dive? Using nitrox and oxygen reduces deco time & DCS risk.
Oxygen Exposure Management for Scuba Divers
OXYGEN EXPOSURE MANAGEMENT by Richard D. Vann Oxygen metabolism is the primary energy source in higher life forms, but when oxygen enters the metabolic process prematurely, reactive oxygen species can form which interfere with normal function and cause convulsions or…
Decompression Theory Resources | Technical Scuba Diving
Decompression Theory – Links and Resources Here is my selection of educational articles and resources for further reading on scuba diving decompression theory… – Bubble Decompression Strategies by Eric Maiken – VPM Decompression Site by Eric Maiken – Confessions of a Mortal Diver by Richard Pyle…
Technical Diving Standard Gas Mixes
The technical diving standard gas mixes. These breathing gasses ensure risk mitigation and help standardize team tech diving.
ANDI Ascent and Descent Procedures | Diving Techniques
The ANDI ascent & descent procedures explained. Increase safety & promote team-cohesion. Rec & tech protocols | Advanced Diving Techniques