Okay, so its a short flight i am doing EGBB to EGPF, everything up until the point where start the decent is fine then thats where it all starts going very wrong and completely to high and miss the airport all together, its an ils approach to 05, the route and weights etc are all entered correctly, i just don’t now whats going on maybe i am missing something, i done this route 100s of times in the a320 with no problem, but this aircraft is completely doing my head in