Air Traffic Manager

[Bjoern]

This neat little tool limits the number of AI aircraft seen around the user and is thus perfect for flying into very busy airports without having to manipulate the AI slider. Depending on target aircraft count, you can gain a lot of FPS at places like JFK.

http://forum.avsim.net/topic/451383-traffic-optimizer-for-fsxp3d/

Give it a try!