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Last updated: 2 December 2021
Statuts:Enquête Officielle
Date:samedi 3 novembre 1973
Heure:16:40
Type/Sous-type:Silhouette image of generic DC10 model; specific model in this crash may look slightly different
McDonnell Douglas DC-10-10
Compagnie:National Airlines
Immatriculation: N60NA
Numéro de série: 46700/14
Année de Fabrication: 1971
Heures de vol:5954
Moteurs: 3 General Electric CF6-6D
Equipage:victimes: 0 / à bord: 12
Passagers:victimes: 1 / à bord: 116
Total:victimes: 1 / à bord: 128
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:près de Socorro, NM (   Etats-Unis d'Amérique)
Phase de vol: En vol (ENR)
Nature:Transport de Passagers Nat.
Aéroport de départ:Houston-Intercontinental Airport, TX (IAH/KIAH), Etats-Unis d'Amérique
Aéroport de destination:Las Vegas-McCarran International Airport, NV (LAS/KLAS), Etats-Unis d'Amérique
Numéro de vol: 27
Détails:
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

Sources:
» NTSB-AAR-75-2


Opérations de secours

NTSB issued 9 Safety Recommendations

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Photos

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
 

Plan
Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Houston-Intercontinental Airport, TX et Las Vegas-McCarran International Airport, NV est de 1950 km (1219 miles).

Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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