Descripción del Accidente ASN 30 DEC 1989 Boeing 737-204 N198AW - Tucson International Airport, AZ (TUS)
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Estado:Accident investigation report completed and information captured
Fecha:sbado 30 diciembre 1989
Tipo:Silhouette image of generic B732 model; specific model in this crash may look slightly different
Boeing 737-204
Operador:America West Airlines
Registración: N198AW
Numéro de série: 19710/54
Año de Construcción: 1968-08-02 (21 years 5 months)
Horas Totales de la Célula:62466
Motores: 2 Pratt & Whitney JT8D-9A
Tripulación:Fatalidades: 0 / Ocupantes: 5
Pasajeros:Fatalidades: 0 / Ocupantes: 125
Total:Fatalidades: 0 / Ocupantes: 130
Daños en la Aeronave: Considerable
Consecuencias: Written off (damaged beyond repair)
Ubicación:Tucson International Airport, AZ (TUS) (   Estados Unidos de América)
Fase: Aterrizaje (LDG)
Naturaleza:Vuelo Doméstico Programado
Aeropuerto de Salida:Phoenix-Sky Harbor International Airport, AZ (PHX/KPHX), Estados Unidos de América
Aeropuerto de Llegada:Tucson International Airport, AZ (TUS/KTUS), Estados Unidos de América
While descending to Tucson, a 115Volt AC wire of the no. 2 'B' hydraulic pump shorted and punctured a hydraulic system 'A' line. As the aircraft was approaching the airport a fire erupted and burned through to the electrical power wires to the standby hydraulic pump. After landing at Tucson, the aircraft overran the runway, collided with an abandoned concrete arresting gear structure, shearing off the nosegear and continued to slide for 3803 feet.

Probable Cause:

PROBABLE CAUSE: "Failure of the operator's maintenance personnel to detect an electrical wire which had chafed against a hydraulic line and which eventually arced causing a leak in the hydraulic line and subsequent fire and hydraulic system failure. In addition, previous wear of check valves in the backup hydraulic systems prevented the airplane from stopping on the runway. A contributing factor was the airplane manufacturer's inadequate guidance for maintaining the hydraulic components. "

Accident investigation:

Investigating agency: NTSB
Status: Investigation completed
Duration: 2 years and 9 months
Accident number: LAX90FA061
Download report: Summary report

» ICAO Summary 1/94 (#26)


photo of Boeing-737-204-N198AW
accident date: 30-12-1989
type: Boeing 737-204
registration: N198AW

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 Phoenix-Sky Harbor International Airport, AZ to Tucson International Airport, AZ as the crow flies is 176 km (110 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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Boeing 737-200

  • 1114 built
  • 47th loss
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