Microsoft Flight Simulator F-15 Eagle Update Detailed With Plenty of Upgrades; Stearman Announced Microsoft Flight Simulator F-15 Eagle Update Detailed With Plenty of Upgrades; Stearman Announced DC Designs detailed the update to the F-15 Eagle package released earlier this month for Microsoft Flight Simulator, and it’s a big one. By Giuseppe Nelva Today third-party add-on developer DC Designs detailed the upcoming update to the F-15 Eagle package released earlier this month for Microsoft Flight Simulator, and it’s a big one. The update is coming on Tuesday, February 2, and it’ll include both fixes and upgrades, addressing many points included in my review.