Descripción del Accidente ASN 22 AUG 2007 Antonov An-26B-100 HK-4389 - Pasto-Antonio Nariño Airport (PSO)
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Estado:Accident investigation report completed and information captured
Fecha:mircoles 22 agosto 2007
Tipo:Silhouette image of generic AN26 model; specific model in this crash may look slightly different
Antonov An-26B-100
Operador:SELVA Colombia
Registración: HK-4389
Numéro de série: 10803
Año de Construcción: 1981
Horas Totales de la Célula:17124
Motores: 2 Ivchenko AI-24VT
Tripulación:Fatalidades: 0 / Ocupantes: 3
Pasajeros:Fatalidades: 0 / Ocupantes: 50
Total:Fatalidades: 0 / Ocupantes: 53
Daños en la Aeronave: Destruido
Consecuencias: Written off (damaged beyond repair)
Ubicación:Pasto-Antonio Nariño Airport (PSO) (   Colombia)
Elevación del lugar del accidente: 1814 m (5951 feet) amsl
Fase: Aterrizaje (LDG)
Naturaleza:Vuelo Doméstico No Programado
Aeropuerto de Salida:Cali-Alfonso Bonilla Aragón Airport (CLO/SKCL), Colombia
Aeropuerto de Llegada:Villagarzón Airport (VGZ/SKVG), Colombia
At 10 miles from Mercaderes VOR the no.1 engine lost power. The pilots performed the established procedures for failure of the engine and proceeded to turn on the APU. During this process the aircraft lost approximately 4000 feet of altitude. The crew decided to divert to Pasto Airport and proceeded for a landing on runway 02 (2312 x 40 meters).
After lowering the landing gear and flaps to 38° for the landing, the speed was reduced to 250 km/h. After selecting gear down the speed increased to 270 km/h. The crew then selected full flaps for landing. After touchdown the captain ordered the emergency brakes to be applied. It was not possible to stop the aircraft on the runway and at low speed the aircraft slid down a slope, finally stopping at a distance of 96 meters from the threshold of the runway. The crew and passengers were slightly injured.

Probable Cause:

CAUSE (translated from Spanish):
Taking into account that the operator failed to cooperate with the investigators by sending the necessary documentation on the the anti skid system, the braking system, as well as the propellers and did not manage the reading of the flight recorders; the available evidence establishes as POSSIBLE CAUSE the failure of one or some of the related systems above; in addition to the inadequate operation during the single-engine landing, which finally produced the departure of the aircraft at the end of the runway.

Accident investigation:

Investigating agency: Aerocivil
Status: Investigation completed
Accident number: final report
Download report: Final report

» En estado delicado se encuentra la tripulación del avión que aterrizó de emergencia, en Pasto (El Tiempo)
» Aeronautica Civil, Informe Preliminar 200721

Subsiguiente / acciones de seguridad

Aerocivil issued 9 Safety Recommendations

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photo of Antonov-An-26B-100-HK-4389
accident date: 22-08-2007
type: Antonov An-26B-100
registration: HK-4389

This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Cali-Alfonso Bonilla Aragón Airport to Villagarzón Airport as the crow flies is 285 km (178 miles).
Accident location: Exact; deduced from official accident report.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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