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Last updated: 24 September 2021
Fecha:martes 19 agosto 1997
Tipo:Silhouette image of generic SW4 model; specific model in this crash may look slightly different
Swearingen SA226-TC Metro II
Operador:Superior Aviation
Registración: N224AM
Numéro de série: TC-227
Año de Construcción: 1977
Horas Totales de la Célula:51119
Motores: 2 Garrett TPE331-10UA
Tripulación:Fatalidades: 0 / Ocupantes: 1
Pasajeros:Fatalidades: 0 / Ocupantes: 0
Total:Fatalidades: 0 / Ocupantes: 1
Daños en la Aeronave: Considerable
Consecuencias: Written off (damaged beyond repair)
Ubicación:Des Moines Airport, IA (DSM) (   Estados Unidos de América)
Fase: Aterrizaje (LDG)
Aeropuerto de Salida:Wichita-Mid-Continent Airport, KS (ICT/KICT), Estados Unidos de América
Aeropuerto de Llegada:Des Moines Airport, IA (DSM/KDSM), Estados Unidos de América
On approach to land on Des Moines runway 05, it was observed that the right engine control was stuck at the maximum power position. A missed approach was executed and the pilot made a second localizer approach to runway 05. Upon touchdown only the no. 1 engine engaged in Beta Mode while the right engine remained at full power. The pilot felt that directional control was minimal and attempted to go around. no. 1 engine power was increased and as the aircraft rotated, it spun out of control and went off the runway and impacted the localizer antenna. The aircraft was damaged beyond repair and later broken up.

Probable Cause:

PROBABLE CAUSE: "The pilot's improper in-flight planning/decision and failure to perform the emergency procedure for shut-down of the right engine. Factors relating to the accident were: the power lever cable became disconnected from the fuel control unit, due to improper maintenance; and reduced directional control of the airplane, when one engine remained at a high power setting."

Accident investigation:
Investigating agency: NTSB
Status: Investigation completed
Duration: 10 months
Accident number: CHI97LA266
Download report: Summary report



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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 Wichita-Mid-Continent Airport, KS to Des Moines Airport, IA as the crow flies is 536 km (335 miles).

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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