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Last updated: 2 December 2021
Estado:Final
Fecha:sábado 3 noviembre 1973
Hora:16:40
Tipo:Silhouette image of generic DC10 model; specific model in this crash may look slightly different
McDonnell Douglas DC-10-10
Operador:National Airlines
Registración: N60NA
Numéro de série: 46700/14
Año de Construcción: 1971
Horas Totales de la Célula:5954
Motores: 3 General Electric CF6-6D
Tripulación:Fatalidades: 0 / Ocupantes: 12
Pasajeros:Fatalidades: 1 / Ocupantes: 116
Total:Fatalidades: 1 / Ocupantes: 128
Daños en la Aeronave: Considerable
Consecuencias: Repaired
Ubicación:cerca Socorro, NM (   Estados Unidos de América)
Fase: En ruta (ENR)
Naturaleza:Vuelo Doméstico Programado
Aeropuerto de Salida:Houston-Intercontinental Airport, TX (IAH/KIAH), Estados Unidos de América
Aeropuerto de Llegada:Las Vegas-McCarran International Airport, NV (LAS/KLAS), Estados Unidos de América
Número de Vuelo: 27
Descripción:
National Airlines Flight 27 departed Houston for Las Vegas and climbed to FL390. Suddenly the No. 3 engine fan assembly disintegrated and fragments penetrated the fuselage the Nos. 1 and 2 engine nacelles, and the right wing area. As a result, the cabin depressurized and one cabin window, which was struck by a fragment of the fan assembly, separated from the fuselage. The passenger who was sitting next to that window was forced through the opening and ejected from the aircraft. The flightcrew initiated an emergency descent, and the aircraft landed safely at Albuquerque International Airport 19 minutes after
engine failed.

Probable Cause:

PROBABLE CAUSE: "The disintegration of the No. 3 engine fan assembly as a result of an interaction between the fan blade tips and the fan case. The fan-tip rub condition was caused by the acceleration of the engine to an abnormally high fan speed which initiated a multiwave, vibratory resonance within the fan section of the engine. The precise reason or reasons for the acceleration and the onset of the destructive vibration could not be determined conclusively."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 2 months
Accident number: NTSB-AAR-75-2
Download report: Final report

Fuentes:
» NTSB-AAR-75-2


Subsiguiente / acciones de seguridad

NTSB issued 9 Safety Recommendations

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Fotos

photo of DC-10-10-N60NA
accident date: 03-11-1973
type: McDonnell Douglas DC-10-10
registration: N60NA
photo of DC-10-10-N60NA
accident date: 03-11-1973
type: McDonnell Douglas DC-10-10
registration: N60NA
photo of DC-10-10-N60NA
accident date: 03-11-1973
type: McDonnell Douglas DC-10-10
registration: N60NA
 

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 Houston-Intercontinental Airport, TX to Las Vegas-McCarran International Airport, NV as the crow flies is 1950 km (1219 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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