Descripción del Accidente ASN 03 FEB 1993 Lockheed L-100-20 Hercules N130X - Marietta-Dobbins AFB, GA (MGE)
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Estado:Accident investigation report completed and information captured
Fecha:mircoles 3 febrero 1993
Tipo:Silhouette image of generic C130 model; specific model in this crash may look slightly different
Lockheed L-100-20 Hercules
Registración: N130X
Numéro de série: 4412
Año de Construcción: 1971
Horas Totales de la Célula:6708
Motores: 4 Allison 501-M71K
Tripulación:Fatalidades: 7 / Ocupantes: 7
Pasajeros:Fatalidades: 0 / Ocupantes: 0
Total:Fatalidades: 7 / Ocupantes: 7
Daños en la Aeronave: Destruido
Consecuencias: Written off (damaged beyond repair)
Ubicación:Marietta-Dobbins AFB, GA (MGE) (   Estados Unidos de América)
Elevación del lugar del accidente: 326 m (1070 feet) amsl
Fase: Carreteando (TXI)
Aeropuerto de Salida:Marietta-Dobbins AFB, GA (MGE/KMGE), Estados Unidos de América
Aeropuerto de Llegada:Marietta-Dobbins AFB, GA (MGE/KMGE), Estados Unidos de América
The Lockheed engineering testbed was used to evaluate the fly-by-wire rudder actuator and the ground minimum control speed (VMCG). During the final high-speed ground test-run, the aircraft accidentally veered left and became airborne. The Hercules climbed to 250 feet and crashed.

Probable Cause:

PROBABLE CAUSE: "Disengagement of the rudder fly-by-wire flight control system resulting in a total loss of rudder control capability while conducting ground minimum control speed tests. The disengagement was a result of the inadequate design of the rudder's integrated actuator package by its manufacturer; the operator's insufficient system safety review failed to consider the consequences of the inadequate design to all operating regimes. A factor which contributed to the accident was the flight crew's lack of engineering flight test training."

Accident investigation:

Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 1 months
Accident number: ATL93MA055
Download report: Summary report

» Flight International 6-12 April 1994 (12)
» Air Safety Week 8 February 1993 (p. 4, 5)
» Flight International 10-16 February 1993 (6)
» ICAO Adrep Summary 1/95
» NTSB Safety Recommendation A-94-101
» Scramble 165


photo of Lockheed-L-100-20-Hercules-KAF-318
accident date: 03-02-1993
type: Lockheed L-100-20 Hercules
registration: KAF-318


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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