Predecessors of the F-11X lacked the VTOL engine configuration, which made them far more nimble in the skies but also far less reliable and, in the end, less survivable or dependable.

• 以前的F-11X是没有垂直起降系统的，这使得加装后的F-11X在作战时更加灵活，不过也使可靠性和和驾驶员生还的机率降低了。