FSX – Boeing 747-400 flight2000it 13 years ago FSX – Boeing 747-400. Model by Project Open Sky. By Fanis Giannoulakis. 22 MB FSX/FS2004 – Boeing 747-206B KLMFSX/FS2004 – Boeing 747-406 KLMFSX/FS2004 – Boeing 747-400 KLM