Accident
Last updated: 1 September 2014
Estado:Final
Fecha:domingo 17 febrero 1991
Hora:00:19
Tipo:Silhouette image of generic DC91 model; specific model in this crash may look slightly different
McDonnell Douglas DC-9-15RC
Operador:Ryan International Airlines
Registración: N565PC
Numéro de série: 47240/346
Año de Construcción: 1968
Motores: 2 Pratt & Whitney JT8D-7B
Tripulación:Fatalidades: 2 / Ocupantes: 2
Pasajeros:Fatalidades: 0 / Ocupantes: 0
Total:Fatalidades: 2 / Ocupantes: 2
Daños en la Aeronave: Destruido
Consecuencias: Written off (damaged beyond repair)
Ubicación:Cleveland-Hopkins International Airport, OH (CLE) (   Estados Unidos de América) show on map
Elevación del lugar del accidente: 241 m (791 feet) amsl
Fase: Despegue (TOF)
Naturaleza:Carga
Aeropuerto de Salida:Cleveland-Hopkins International Airport, OH (CLE/KCLE), Estados Unidos de América
Aeropuerto de Llegada:Indianapolis International Airport, IN (IND/KIND), Estados Unidos de América
Número de Vuelo: 590
Descripción:
Ryan Flight 590 landed at Cleveland at 23:44 and taxied to the mail ramp. Snow (dry and blowing) fell throughout the 35 minutes that the DC-9 was on the ground. The de-icing service was not requested during this period. Clearance to taxi to runway 23 was received at 00:09. Takeoff clearance was given at 00:18.
The aircraft stalled during take-off and rolled 90° at 50-100 feet. The airplane then suffered compressor stalls, the left wing contacted the runway and the aircraft cart wheeled. The DC-9 came to rest inverted 6500 feet from the threshold.


PROBABLE CAUSE: "The failure of the flight crew to detect and remove ice contamination on the airplane's wings, which was largely a result of a lack of appropriate response by the Federal Aviation Administration, Douglas Aircraft Company, and Ryan International Airlines to the known effect that a minute amount of contamination has on the stall characteristics of the DC-9 series 10 airplane. The ice contamination led to wing stall and loss of control during the attempted takeoff."

Fuentes:
» Airport Operations Vol.19, No.6 (Nov/Dec 1993) / Flight Safety Foundation
» ICAO Adrep 2/93 (#45)
» ICAO Adrep 4/94 (#99)
» NTSB/AAR-91/09

Official accident investigation report
investigating agency: National Transport Safety Bureau (NTSB) - USA
report status: Final
report number: NTSB/AAR-91-09
report released:16-NOV-1991
duration of investigation:272 days (9.1 months)
download report: Ryan intl Airlines DC-9-15, N565PC Loss of Control on Takeoff Cleveland-Hopkins intl Airport Cleveland, OH February 17, 1991. (NTSB/AAR-91-09)
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Subsiguiente / acciones de seguridad

NTSB issued 6 Safety Recommendations

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Fotos

photo of McDonnell Douglas DC-9-15RC N9351
Purolator Courier bought this DC-9 in June 1984. Purolator merged into Emery Worldwide in September 1987.
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Map
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 Cleveland-Hopkins International Airport, OH to Indianapolis International Airport, IN as the crow flies is 417 km (261 miles).

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DC-9-10

  • 16th loss
  • 147 built
  • 10th worst accident (a la hora)
  • 13th worst accident (actualmente)
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 Estados Unidos de América
  • 848th worst accident (a la hora)
  • 984th worst accident (actualmente)
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