November 2006 CMAS Advanced Nitrox Instructor for Bernd

Bernd try to proof himself more or less yearly to get his knowledge on a up to date level.
It tooks plenty of time to read the tecnical dive manuals,working with advanced decompression models with the use of oxygen for the decompression stops,using reels and deco buoyis...
After passing the examination we are now able to teach up to advanced Nitrox.