This is the support page for SXAD's KAMA for FSX, FSX SE, Prepar3d v2, v3 and v4.
Currently this airport is available from Simmarket:
http://secure.simmarket.com/sxairportdesign-rick-husband-amarillo-international-airport-fsx-p3d.phtml
And Justflight:
https://www.justflight.com/product/sxad-kama-amarillo-airport