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Estado: Accident investigation report completed and information captured
Fecha:lunes 19 marzo 2001
Hora:18:30
Tipo:Silhouette image of generic E120 model; specific model in this crash may look slightly different
Embraer EMB-120RT Brasilia
Operador:Comair/Delta Connection
Registración: N266CA
Numéro de série: 120258
Año de Construcción: 1992
Horas Totales de la Célula:22154
Motores: 2 Pratt & Whitney Canada PW118
Tripulación:Fatalidades: 0 / Ocupantes: 2
Pasajeros:Fatalidades: 0 / Ocupantes: 25
Total:Fatalidades: 0 / Ocupantes: 27
Daños en la Aeronave: Considerable
Consecuencias: Repaired
Ubicación:cerca West Palm Beach, FL (   Estados Unidos de América)
Fase: En ruta (ENR)
Naturaleza:Vuelo Internacional Programado
Aeropuerto de Salida:Nassau International Airport (NAS/MYNN), Bahamas
Aeropuerto de Llegada:Orlando International Airport, FL (MCO/KMCO), Estados Unidos de América
Número de Vuelo:5054
Descripción:
The aircraft was 46 minutes into a scheduled flight from Nassau, Bahamas, to Orlando, Florida. The airplane was being controlled by the autopilot at about 18,000 feet when they encountered instrument meteorological conditions that rapidly led to the windscreen being covered by a layer of ice. The crew turned ice protection systems on and the ice on the windshield was cleared. The first officer observed ice on the right wing's boots and the right prop's spinner that extended farther back than he had previously experienced. The first officer then switched the ice protection systems to their highest settings. De airspeed then decreased from 1750 to 160 kts. The captain disconnected the autopilot, applied power, and initiated nose down pitch inputs to arrest the airspeed loss. They indicated that these actions were unsuccessful and the speed further deteriorated to about 130 knots at which point the airplane rolled about 90 degrees to the left, and then back to near level. In the next 24 seconds, the airplane again rolled about 110 degrees to the left, back to level, then about 120 degrees to the right, back to level, and then rolled 360 degrees to the right, back to near wings level. Since the crew reported trouble with the flight attitude instruments, the roll angles recorded on the FDR are being further investigated. The maximum nose down pitch attitude was 60 degrees, the maximum recorded airspeed was about 240 kias, and maximum vertical acceleration during recovery was about +3.6 g. The crew immediately diverted to West Palm Beach and landed there 12 minutes after the upset.

Probable Cause:

PROBABLE CAUSE: "The failure of the flight crew to maintain airspeed during an encounter with severe icing conditions, which resulted in an inadvertent stall, loss of control, and structural damage to the airplane."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 9 months
Accident number: DCA01MA031
Download report: Summary report
Language: English

Fuentes:
» ALPA Submission to the NTSB on Comair Flight 5054


Subsiguiente / acciones de seguridad

NTSB issued 2 Safety Recommendations

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Fotos

photo of Embraer-120RT-Brasilia-N266CA
accident date: 19-03-2001
type: Embraer 120RT Brasilia
registration: N266CA
 

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 Nassau International Airport to Orlando International Airport, FL as the crow flies is 533 km (333 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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