FSX – Comac ARJ-21 Updated Package. The Comac ARJ-21 is a Chinese produced regional jet based on the MD-90/717 design. An update for the J.R. Lucariny ARJ21 Regional Jet. By adding and updating Hongming Zheng’s Xiamen Airlines texture, the Philippe Wallaert 717 2D panel modified slightly, and the CFM International CFM56-7B sounds created by Adam Murphy and Devyn Silverstein. 2D panel only, no VC panel. By Michael E. Roberts.