36 fatalities

Aircraft Disintegrates on El Rucio Mountain After Missing Arrival Time (HK-385)

Mt El Rucio, ColombiaFlight

On November 17, 1956, a Douglas C-49 (DC-3) (registration HK-385) operated by Aerolineas del Pacifico - ARPA was involved in an aviation accident near Mt El Rucio, Colombia in flight. 36 people were killed. Investigators recorded the probable cause as: The most probable cause of the accident was a flight on instruments at an excessively low altitude for the route. A lack of discipline on the part of the pilot was considered as a contributing factor. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-12Data APIEditorial standards

An aircraft carrying 36 people crashed on El Rucio mountain after failing to arrive at Cali on schedule. The probable cause was instrument flight at an excessively low altitude.

Flight Details and Crew Composition The aircraft departed Buenaventura at 1630 local time for a return flight to el Guavito aerodrome in Cali. The expected arrival time was 1700 hours. The flight carried a pilot, a steward who did not hold a license to act in that role, a flight engineer who was serving as copilot, and 33 passengers, for a total of 36 occupants on board. The source does not specify the aircraft type, registration, operator, or exact date of the incident. ## Search and Wreckage Location When the aircraft had not arrived by 1700 hours, a search was initiated. The wreckage was found the same evening on the side of El Rucio mountain. The aircraft disintegrated upon impact, and all 36 occupants were killed. ## Official Findings The official investigation identified the most probable cause as a flight on instruments at an excessively low altitude for the route. A lack of discipline on the part of the pilot was considered a contributing factor.