alex90,
Fly on Track is run on behalf of
GASCo and is part of the
Airspace & Safety Initiative. It is a gateway to a wealth of information, including a
video guide to flying around the London TMA.
As I tried to explain, the NATS AIS website must follow the ICAO standard, designed for ease of use by pilots across the world. Check out some others out
here.
It is good that you want to understand the airspace you intend to operate in and I am sure you will soon find your way around the various sources of information available. As a last resort, there is always Pprune, but I wouldn't believe all you read there.
