FSX Boeing 737-900ER Delta Airlines 'N801DZ' with VC for FSX FSX model by Project Opensky with advanced 737-800 VC added. The VC is the Alejandro Rojas Lucena/FSND fantastic revised Boeing 737-800 VC model. Advanced Boeing 737-900 ER X2 X2 represent a really formidable new package for FSX using much more advanced compression technology and logic to present an exceptional display model with additional modules and many more new features (not to be found in SP1).