AIRBOY
You need to get a hold of the publication CAP 371. You can download it from the following site:
http://www.caa.co.uk/publications/pu...ails.asp?id=22
Look through it carefully and you will find that it does not cover every situation, but it does cover what you need to know.
Also, get a copy of your company's FTL and read and try to understand. As a pilot, I am often asked what my INTERPRETATION of the rules are. I say interpretation as that is all I can give you. We are not given lessons or guidance, (or taken to any great depths) just left to read it and try to understand them.
As far as understanding every detail, there is an old saying....
The Devil is in the detail........