Twin-Engine Aircraft Collision with Mt El Silencio Near Medellín (HK-4175X)

Accident Overview and Immediate Sequence of Events On departure from Medellín-Enrique Olaya Herrera Airport runway 01, the crew of a twin-engine aircraft initiated a right turn and continued climbing. In poor visibility caused by clouds, the aircraft struck the slope of Mt El Silencio near San Antonio de Prado at an altitude of 9,200 feet. The impact forces and a post-crash fire destroyed the aircraft, and all 16 occupants were killed. ## Weather Conditions and Operational Context At the time of the accident, weather was poor, with towering cumulus clouds and rain falls. The source does not identify the aircraft type, registration, operator, or specific date. ## Official Probable Cause The official investigation determined that the accident was caused by controlled flight into terrain after the crew failed to comply with the departure route and the company standard operating procedures.