The crash was caused Causation primarily by the aircraft 's automated reaction , which was triggered Causation by a faulty radio altimeter .

Boeing has since issued Expressing_publicly a bulletin to remind Telling pilots of all 737 series and BBJ aircraft of the importance of monitoring airspeed and altitude , advising Convincing against the use Using of autopilot or autothrottle while landing Self_motion in cases of radio altimeter discrepancies .