However , with the closure of Microsoft 's Aces Studio on January 23 , 2009 ( 2009 - 01 - 23 ) , development of this simulator was immediately halted .
The simulation was to use a modified version of the Flight Simulator X software platform .
With the closure of Microsoft 's Aces Studio on January 23 , 2009 ( 2009 - 01 - 23 ) , development of this simulator was immediately halted .
The simulation was to use a modified version of the Flight Simulator X software platform .