On October 22, 2015, a Learjet 31 (registration XB-GYB) operated by Grupo Constructor Plata was involved in an aviation accident near Apaseo el Alto, Mexico in flight. 4 people were killed. Investigators recorded the probable cause as: The exact cause of the loss of control could not be determined due to lack of evidence. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).
An executive flight from Toluca to Zacatecas entered an uncontrolled descent and disintegrated in the air, crashing near Apaseo el Alto. All four occupants were killed. The cause could not be determined due to lack of evidence.
Accident Description
On an executive flight from Toluca Airport to Zacatecas, the aircraft departed at 1528 local time with two passengers and two pilots aboard. Four minutes after departure, the crew received clearance to climb to FL380. The pilots subsequently reported moderate but continuing turbulence. Shortly thereafter, the aircraft entered an uncontrolled descent and disintegrated in mid-air before impacting the ground near Apaseo el Alto. Debris was scattered over a large area. All four occupants sustained fatal injuries.
Investigation and Probable Cause
Investigators examined the wreckage and available data to determine the sequence of events. However, due to the extensive fragmentation and lack of sufficient evidence, the exact cause of the loss of control could not be identified. The official probable cause statement indicates that the reason for the in-flight breakup remains undetermined.