Aircraft Crash in Sierra de Guerrero Following Cabin Decompression (XA-DEO)

Incident Overview and Emergency Declaration Thirty-five minutes after departing from Acapulco-General Juan N. Álvarez Airport, the aircraft experienced a cabin decompression while cruising at 31,000 feet. The flight crew immediately declared an emergency and received clearance to descend and return to Acapulco for an emergency landing. The source does not specify the aircraft type, registration, operator, or exact date of the incident. ## Crash Details and Casualties Shortly after the emergency declaration, the aircraft descended to an altitude of 6,000 feet. At this altitude, the airplane struck the slope of a mountain in the Sierra de Guerrero, located approximately 65 kilometers east of Zihuatanejo. The aircraft disintegrated upon impact, resulting in the deaths of all 18 occupants on board. ## Official Findings The official investigation determined that the exact cause of the cabin decompression remains unknown. Additionally, the findings noted that the crew failed to follow established emergency procedures during the incident.