For those that are interested, here are links for downloading the original Wilco Airport 2000 programs, which have been archived here:
Airport 2000 Volume 1:
https://archive.org/details/airport-2000-volume-1
Airport 2000 Volume 2:
https://archive.org/details/airport-2000-volume-2
Airport 2000 Volume 3:
https://archive.org/details/airport-2000-volume-3
As well, a kind gentleman called Ottersphere has uploaded a Patch for Volume 3 to make it usable in FS2002:
ttps://www.mediafire.com/file/umti514is ... 2.exe/file
This file may also be available here on Simviation soon.