17 fatalities

2007-10-08: Let L-410 (HK-4055) — Nacional de Aviacion — Cubarral, Colombia

Cubarral, ColombiaFlight

On October 8, 2007, a Let L-410 (registration HK-4055) operated by Nacional de Aviacion was involved in an aviation accident near Cubarral, Colombia in flight. 17 people were killed. Investigators recorded the probable cause as: Controlled flight into terrain after the crew decided to continue the flight under VFR mode in IMC conditions. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 1 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 1781197855Data APIEditorial standards

A twin-engine aircraft struck a mountain slope at 11,800 feet near Cubarral, Colombia, killing all 17 occupants. The crew continued VFR flight into IMC conditions, leading to controlled flight into terrain.

Accident Details

On a flight from Villavicencio-La Vanguardia Airport to Uribe, a twin-engine aircraft carrying 15 passengers and 2 pilots departed at 1530 local time. While cruising in poor weather conditions, the crew reported an estimated time of arrival of 1550 at Uribe. At an altitude of 11,800 feet, the aircraft struck the slope of a mountain and disintegrated on impact. The wreckage was located three days later on Mt Páramo El Nevado, approximately 33 kilometers northeast of Cubarral. The aircraft was totally destroyed, and all 17 occupants were killed.

Investigation and Probable Cause

The official investigation determined the probable cause to be controlled flight into terrain after the crew decided to continue the flight under visual flight rules (VFR) in instrument meteorological conditions (IMC). Contributing factors included erroneous navigation, low situational awareness regarding the geographical orientation at the beginning and during the flight, and failure to observe the warnings of proximity to terrain issued by the Terrain Awareness and Warning System (TAWS) for three minutes.