1. 1H.Ranter,"AirlinerAccidentStatistics2006," AviationSafetyNetwork,2007.
2. 2NTSB,"AviationAccidentsfromthepast10years,"2007.
3. 3NTSB,"LossofControlandImpactwithPacificOceanAlaskaAirlinesFlight261,"NTSB/AAR-02/01,December302002.
4. Self-Repairing Flight Control System