It is best if you pull the plane back first then if it goes through the window and does a few loop the loops you know it's a good score. For the first few days of playing I couldn't get out the window.
I have been playing for about 8 weeks non stop.
I've been delegating again GC. I am perfecting the art of looking busy at my desk while playing games.
christ - i was having trouble getting it past 4 metres!