Incident Overview
Date: Wednesday 4 June 1969
Aircraft Type: Boeing 727-64
Owner/operator: Mexicana de Aviaci¢n
Registration Number: XA-SEL
Location: 23 km NW of Monterrey-Gen Mariano Escobedo Airport (MTY) –
ÿ Mexico
Phase of Flight: En route
Status: Destroyed, written off
Casualties: Fatalities: 79 / Occupants: 79
Component Affected: Aircraft control system, navigation system, and potentially the aircraft’s altitude control system.Aircraft control system, navigation system, and potentially the aircraft’s altitude control system.
Category: Accident
An aircraft experienced a sudden and uncontrolled descent, transitioning from a right-hand turn to a left turn at Monterrey VOR, resulting in a collision with rising terrain.An aircraft experienced a sudden and uncontrolled descent, transitioning from a right-hand turn to a left turn at Monterrey VOR, resulting in a collision with rising terrain.
Description
The aircraft made a continuous descent at 1500-1600 feet/min at 250 knots IAS. Passing the Monterrey VOR, the aircraft turned left, instead of right to enter the holding pattern. The Boeing proceeded outside the designated holding pattern and collided with rising terrain (Cerro del Fraile).
Primary Cause
Loss of control due to a sudden descent and improper turn, potentially exacerbated by terrain conditions.Loss of control due to a sudden descent and improper turn, potentially exacerbated by terrain conditions.Share on:
