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Accident
Last updated: 13 December 2017
Status:Definitief
Datum:dinsdag 16 juli 1957
Tijd:03:36
Type:Silhouette image of generic CONI model; specific model in this crash may look slightly different
Lockheed L-1049C-55-81 Super Constellation
Luchtvaartmaatschappij:KLM Royal Dutch Airlines
Registratie: PH-LKT
Constructienummer: 4504
Bouwjaar: 1953
Aantal vlieguren:11867
Motoren: 4 Wright R-3350 (972TC18DA3)
Bemanning:slachtoffers: 9 / inzittenden: 9
Passagiers:slachtoffers: 49 / inzittenden: 59
Totaal:slachtoffers: 58 / inzittenden: 68
Schade: Vernield
Gevolgen: Written off (damaged beyond repair)
Plaats:1,2 km (0.8 mijl) van Biak-Mokmer Airport (BIK) (   IndonesiŽ)
Fase: Kruisvlucht (ENR)
Soort vlucht:Internationale lijnvlucht
Vliegveld van vertrek:Biak-Mokmer Airport (BIK/WABB), IndonesiŽ
Vliegveld van aankomst:Manila International Airport (MNL/RPLL), Filippijnen
Vluchtnummer:KL844
Beschrijving:
KLM flight KL844, a Lockheed L-1049C Super Constellation, named "Neutron", was destroyed when it impacted the water off Biak Airport, Netherlands New Guinea (now Indonesia).
KL844 was the return leg of a weekly return flight between Amsterdam, the Netherlands and Biak. The first leg of the flight was from Biak to Manila, Philippines.
The aircraft took off from Biak-Mokmer Airport's runway 10 at 03:32 at night. Shortly after takeoff, the flight crew radioed the tower controller, asking to keep the runway lights on and to requested permission for a low run over the airfield. Both requests were granted. The aircraft was in a 180 degree left hand turn when it gradually lost altitude until it struck the sea and broke apart. The wreckage sank in 250 m of water.

Probable Cause:

PROBABLE CAUSE: "The explanation of the accident lies either in an error on the part of the pilot or in a technical failure. The Board was unable to state whether the accident could have been caused by a combination of both pilot error and technical failure. The Board was of the opinion that low runs should not be made by aircraft on scheduled services. The magnitude of the danger that is inherent in the proximity of the ground on takeoff and landing should not be increased unnecessarily by flying at low altitude."

Accident investigation:
cover
Investigating agency: Raad vd Luchtvaart
Status: Investigation completed
Duration: 237 days (8 months)
Accident number: Final report
Download report: Final report

Bronnen:
» ICAO Accident Digest No.9, Circular 56-AN/51 (141-145)
» Nederlandse Constallations / H.Dekker
» Vrij Nederland 13.02.1999 (p.18-19)


Foto's

photo of Lockheed L-1049C-55-81 Super Constellation PH-LKT
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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 Biak-Mokmer Airport en Manila International Airport bedraagt 2398 km (1499 miles).
Accident location: Approximate; accuracy within a few kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Networkís 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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Lockheed L-1049

  • 564 built
  • 16e ongeval
  • 8e dodelijk ongeval
  • 3e zwaarste ongeval (toen het plaatsvond)
  • 6e zwaarste ongeval (op dit moment)
» safety profile

 IndonesiŽ
  • The zwaarste ongeval (toen het plaatsvond)
  • 13e zwaarste ongeval (op dit moment)
» safety profile