GIT - https://gitorious.org/fg-singapore-scenery
Started this a few days ago... (I made the apt.dat 850 taxiway layout last year though) A lot left to go but it's coming along pretty nicely.
http://s9.postimg.org/5ud2g5n7h/fgfs_screen_001.png
http://s10.postimg.org/xmn3ep0if/Selection_119.png
http://s16.postimg.org/cko67hr5f/fgfs_screen_002.png
http://s17.postimg.org/o490kwea5/fgfs_screen_002.png
http://s7.postimg.org/x4gqresg9/fgfs_screen_009.png
http://s7.postimg.org/nz3sjsznt/fgfs_screen_004.png
http://s7.postimg.org/8zg19p85l/fgfs_screen_005.png
http://s7.postimg.org/ndetnp4ll/fgfs_screen_006.png
http://s7.postimg.org/t5jj8l3t5/fgfs_screen_007.png
http://s7.postimg.org/e0nfb2fm1/fgfs_screen_008.png
http://s7.postimg.org/s6yksk13d/fgfs_screen_001.png
http://s7.postimg.org/jfrjyahs9/fgfs_screen_002.png
http://s7.postimg.org/6eagm6irt/fgfs_screen_003.png
And so far, everything's GNU GPL compatible so we can hope to see this in terrasync soon! Also, thanks to ot-666 for some of his airport vehicles.