Welcome to the Dive Instruct group website.

For the furthering of knowledge to Diving Instructors anywhere in the world.

 Alex Poole 

Sections on this site:








Medical requirements



Visual Aids & Downloads

Course information

Oxygen Administration

Copyright & Disclaimer

Diving for the disabled

Open Water sites

Abbreviations, Acronyms, Hand signals and 'Useful lists' for divers

Examination advice

Tides, Weather and Launching information

Contact us Nitrox/Trimix suppliers

Heavy Breathing

Going Professional

Boats & Seamanship

Site updates

Transporting Dive cylinders by Air

Ear Clearing


Teaching younger divers

Johannes van der Waals gas laws



All website content copyright 2001 - 2018

Please click this link for further information.

Website and concept founded 10th March 2001.

If you spot any broken links, or missing images, please contact us here

A general disclaimer:

I have taken every care to ensure the accuracy of information on these pages. However, I am human (allegedly) and so I make mistakes occasionally. If you see something that's wrong, or there's something you don't understand, please email me and I'll look into it as soon as I can. I want the information to be accurate, that's the whole point, so I'll really appreciate it if you informed me of any error. The last thing I want to do is give out duff information.

I don't however, take any responsibility for the content of sites that I link to, but if you do find a problem with a particular site, 
please let me know about it.

There's a fuller disclaimer on the copyright page.