404. . BOEING??? EVER '. STRAIGHT FROM WIKIPEDIA Aircraft The flight deck of 9M-MRO in 2004 Flight 370 was operated with a Boeing 777-2H6ER, serial number 28420, registration 9 404 BOEING??? EVER ' STRAIGHT FROM WIKIPEDIA Aircraft The flight deck of 9M-MRO in 2004 Flight 370 was operated with a Boeing 777-2H6ER serial number 28420 registration 9