Of course pilots have maps of airports. Shhesh. And rich playboys are always buggerising about with front companies and shells and trading companies, it helps them dodge tax and dud creditors by having a particular company go bankrupt while they keep the Learjet and invest the balance. Nope: thus far we have the classic signs of cock-up. Besides, what idiot quasi-military operation would get it so hopelessly wrong as to collide with the aircraft you are tyring to shoot down?