Headquarter Virtual GFS Headquarter (GFS Base)
– Hong Kong Chek Lap Kok Intl. Airport (VHHH)
– Taxi2Gate VHHH (FSX, Payware)
Download & Purchase :
http://secure.simmarket.com/taxi2gate-hong-kong-international-airport-vhhh-fsx-p3d.phtml
– VHHH2005b (FS9, Freeware)
Download: http://library.avsim.net/download.php?DLID=152285
(login required for AVSIM user)
Second Headquarter (Kaitak Base)
– Hong Kong Kai Tak Intl Airport (VHHX)
– Flytampa (FS9, FSX, payware) 
Download & Purchase : http://www.flytampa.org/vhhx.html
Training Base (Sek Kong Base)
– Shek Kong Air Field (VHSK)
– RAFSekKong1995 for FSX by Virtual GFS 
Download: Login Required