Accident
Last updated: 18 April 2014
Status:Definitief
Datum:dinsdag 19 februari 1985
Type:Boeing 747SP-09
Luchtvaartmaatschappij:China Airlines
Registratie: N4522V
Constructienummer: 22805/564
Bouwjaar: 1982-06-10 (2 years 9 months)
Aantal vlieguren:10192
Bemanning:slachtoffers: 0 / inzittenden: 23
Passagiers:slachtoffers: 0 / inzittenden: 251
Totaal:slachtoffers: 0 / inzittenden: 274
Schade: Groot
Gevolgen: Repaired
Plaats:550 km (343.8 mijl) NW van San Fransisco, CA, USA (   Grote Oceaan)
Fase: Kruisvlucht (ENR)
Soort vlucht:Internationale lijnvlucht
Vliegveld van vertrek:Taipei-Chiang Kai Shek International Airport (TPE/RCTP), Taiwan
Vliegveld van aankomst:Los Angeles International Airport, CA (LAX/KLAX), Verenigde Staten
Vluchtnummer: 006
Beschrijving:
The flight from Taipei to about 300 nmi northwest of San Francisco was uneventful and the airplane was flying at about 41,000 feet mean sea level when the No. 4 engine lost power. During the attempt to recover and restore normal power on the No. 4 engine, the airplane rolled to the right, nosed over, and entered an uncontrollable descent. The captain was unable to restore the airplane to stable flight until it had descended to 9,500 feet. After the captain stabilized the airplane, he elected to divert to San Francisco International Airport, where a safe landing was made. Although the airplane suffered major structural damage during the upset, descent, and subsequent recovery, only two persons among the 274 passengers and crew on board were injured seriously.
The maximum vertical acceleration forces recorded during the descent were 4.8Gs and 5.1Gs as the airplane descended through 30,552 feet and 19,083 feet, respectively.


PROBABLE CAUSE: "The captain’s preoccupation with an inflight malfunction and his failure to monitor properly the airplane’s flight instruments which resulted in his losing control of the airplane. Contributing to the accident was the captain’s over-reliance on the autopilot after the loss of thrust on the no. 4 engine."

Bronnen:
» NTSB/AAR-86/03


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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 Taipei-Chiang Kai Shek International Airport en Los Angeles International Airport, CA bedraagt 10856 km (6785 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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