ASN logo
Last updated: 7 June 2020
Status:Definitief
Datum:donderdag 19 juni 1947
Tijd:01:40
Type:Silhouette image of generic CONI model; specific model in this crash may look slightly different
Lockheed L-049 Constellation
Luchtvaartmaatschappij:Pan American World Airways (Pan Am)
Registratie: NC88845
Constructienummer: 2045
Bouwjaar: 1946
Aantal vlieguren:2645
Bemanning:slachtoffers: 7 / inzittenden: 10
Passagiers:slachtoffers: 7 / inzittenden: 26
Totaal:slachtoffers: 14 / inzittenden: 36
Schade: Afgeschreven
Gevolgen: Written off (damaged beyond repair)
Plaats:nabij Mayadine (   Syrië)
Fase: Kruisvlucht (ENR)
Soort vlucht:Internationale lijnvlucht
Vliegveld van vertrek:Karachi International Airport (KHI/OPKC), Pakistan
Vliegveld van aankomst:Istanbul-Yesilköy Airport (IST/LTBA), Turkije
Vluchtnummer:PA121
Beschrijving:
The Constellation, named "Clipper Eclipse", was cruising at FL185 when the no. 1 prop had to be feathered due to engine problems. The remaining three engines overheated, forcing the crew to reduced power. This resulted in a gradual descent. The crew elected to continue to Istanbul instead of landing at the nearby Habbaniya RAF Station in Iraq. While descending through FL100 a fire broke out in the engine no. 2 nacelle. A rapid descent was started during which the no. 2 engine separated from the wing. With the left wing on fire a belly landing was carried out in the desert. It appeared the no. 1 engine failure was due to a broken exhaust rocker arm on the no.18 cylinder. The no. 2 engine failure was due to a failure of the thrust bearing which in turn resulted in blocking the passage of oil from the propeller feathering motor to the propeller dome.

Probable Cause:

PROBABLE CAUSE: "The Board determines that the probable cause of this accident was a fire which resulted from an attempt to feather the No. 2 propeller after the failure of the No. 2 engine thrust bearing."

Bronnen:
» CAB Accident Investigation Report


Foto's

Add your photo of this accident or aircraft

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 Karachi International Airport en Istanbul-Yesilköy Airport bedraagt 3933 km (2458 miles).
Accident location: Global; accuracy within tens or hundreds of kilometers.

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.
languages: languages

Share

Lockheed L-049

  • 88 built
  • 9e ongeval
  • 4e dodelijk ongeval
  • The zwaarste ongeval (toen het plaatsvond)
  • 12e zwaarste ongeval (op dit moment)
» safety profile

 Syrië
  • The zwaarste ongeval (toen het plaatsvond)
  • 7e zwaarste ongeval (op dit moment)
» safety profile