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Last updated: 8 December 2021
Status:Definitief
Datum:zaterdag 3 november 1973
Tijd:16:40
Type:Silhouette image of generic DC10 model; specific model in this crash may look slightly different
McDonnell Douglas DC-10-10
Luchtvaartmaatschappij:National Airlines
Registratie: N60NA
Constructienummer: 46700/14
Bouwjaar: 1971
Aantal vlieguren:5954
Motoren: 3 General Electric CF6-6D
Bemanning:slachtoffers: 0 / inzittenden: 12
Passagiers:slachtoffers: 1 / inzittenden: 116
Totaal:slachtoffers: 1 / inzittenden: 128
Schade: Groot
Gevolgen: Repaired
Plaats:nabij Socorro, NM (   Verenigde Staten)
Fase: Kruisvlucht (ENR)
Soort vlucht:Binnenlandse lijnvlucht
Vliegveld van vertrek:Houston-Intercontinental Airport, TX (IAH/KIAH), Verenigde Staten
Vliegveld van aankomst:Las Vegas-McCarran International Airport, NV (LAS/KLAS), Verenigde Staten
Vluchtnummer: 27
Beschrijving:
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

Bronnen:
» NTSB-AAR-75-2


Veiligheidsmaatregelen

NTSB issued 9 Safety Recommendations

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Foto's

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
 

Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Houston-Intercontinental Airport, TX en Las Vegas-McCarran International Airport, NV bedraagt 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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