FS2004/FSX – AI Aircraft Editor (AIAE), a program to edit and validate aircraft. It allows easy renumbering, modification and deletion of [fltsim.x] sections, modification of wingspans and the aircraft type in the air file. Newly added is a very detailed validation of either the selected aircraft or all aircraft below a given path. A detailed manual is included. The Owls Nest Tools. By Martin Gossmann.