5 fatalities

Aircraft Disintegration Near La Montañita (HK-2581)

La Montañita, ColombiaFlight

On November 10, 1999, a Douglas DC-3 (registration HK-2581) operated by Aliansa Colombia - Aerolíneas Andinas was involved in an aviation accident near La Montañita, Colombia in flight. 5 people were killed. Investigators recorded the probable cause as: Investigations were unable to determine the exact cause of the accident. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 3 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-11Data APIEditorial standards

A twin-engine cargo aircraft crashed near La Montañita shortly after takeoff from Orito, killing all five occupants. The investigation could not determine the exact cause.

Incident Overview A twin-engine aircraft departed Orito at 0740 local time on a cargo flight to Villavicencio-La Vanguardia Airport. The aircraft was carrying two passengers and three crew members, for a total of five occupants on board. ## Flight Progression Nine minutes after takeoff, the crew reported to air traffic control that they were passing 7,500 feet while flying in poor weather conditions. The crew was subsequently cleared to climb to 11,500 feet. One minute after this communication, radar contact with the aircraft was lost. ## Crash and Casualties The aircraft disintegrated in the air and crashed in a field near La Montañita. All five occupants were killed in the accident. ## Investigation Findings The official investigation was unable to determine the exact cause of the accident.

Probable cause

Investigations were unable to determine the exact cause of the accident.