US Airways Group Inc. (LCC) signed a contract, valued at more than $400 = million, to purchase General Electric Co.(GE) engines for use in 20 jets = ordered from Airbus (ABI.YY). In a press release Monday, General Electric said it will start receiving = Airbus A350 aircraft in 2011. General Electric has agreements to install its GEnx engines in a total = of 112 Airbus A350 jets. General Electric generated revenue of $152.36 billion for 2004