Accident
Last updated: 24 April 2014
Status:Definitief
Datum:zondag 7 november 2004
Tijd:16:35
Type:Silhouette image of generic B742 model; specific model in this crash may look slightly different
Boeing 747-230F (SCD)
Vloog voor:Lufthansa Cargo
Gehuurd van:Air Atlanta Icelandic
Registratie: TF-ARR
Constructienummer: 23621/660
Bouwjaar: 1986-10-14 (18 years )
Aantal vlieguren:79733
Aantal vluchten:13833
Motoren: 4 General Electric CF6-50E2
Bemanning:slachtoffers: 0 / inzittenden: 4
Passagiers:slachtoffers: 0 / inzittenden: 0
Totaal:slachtoffers: 0 / inzittenden: 4
Schade: Afgeschreven
Gevolgen: Written off (damaged beyond repair)
Plaats:Sharjah Airport (SHJ) (   Verenigde Arabische Emiraten) show on map
Fase: Start (TOF)
Soort vlucht:Vracht
Vliegveld van vertrek:Sharjah Airport (SHJ/OMSJ), Verenigde Arabische Emiraten
Vliegveld van aankomst:Frankfurt International Airport (FRA/EDDF), Duitsland
Vluchtnummer:8457
Beschrijving:
The aircraft, a Boeing 747-230C, was owned and operated by Air Atlanta Icelandic on a wet lease agreement with Lufthansa. The aircraft was operating a cargo flight, DLH8457, from Sharjah (SHJ) to Frankfurt (FRA).
After push back and engines start-up, at 16:23:24 hr the crew was cleared by ATC to taxi the aircraft to runway 30. From the performance and speed reference cards the crew ascertained the decision speeds for a reduced engine thrust 10° flap takeoff as follows; V1 - 162 KIAS, Vr - 174 KIAS and V2 - 180 KIAS. The crew lined-up the aircraft for a full length take-off and was cleared for take-off at 16:31:42. A surface wind check of 340°/08 kt was passed by the tower controller.
The take-off roll commenced at 16:33:32. During the roll, the first officer made the 80 KIAS call at 16:33:57 followed by the V1 call 26 seconds later. At the same time of the V1 call, the tower controller transmitted to the crew "and Lufthansa there was a bang and you’ve got smoke coming on the right hand side". The commander then aborted the take-off at 16:34:26 whilst maintaining the aircraft on the runway centreline. The speed of the aircraft when aborting actions were first initiated by the crew was 165 KIAS.
The crew indicated that the power levers were brought to idle, full reverse thrust selected, speed brakes deployed and manual application of brakes were made. The aircraft acceleration however, continued to 171 KIAS before decelerating normally but was not able to come to a halt within the accelerate stop distance available.
Just prior to reaching the end of the runway, the commander turned the aircraft to the left to avoid the elevated approach lights at the end of the runway and it came to a stop in an open sand area approximately 30 metres from the prepared surface of the runway in a nose low attitude. The commander then ordered an evacuation and the crew exited through the right upper deck door using ladders provided by personnel from the airport RFF services.
A post accident aircraft inspection found the No 9 wheel of the Right Body Landing Gear had suffered a broken wheel rim, brake and a burst tyre. The No 10 and 12 wheels of the same gear had their tyres blown as well.


CAUSE:
The cause of this accident was the termination of the take-off at a speed above V1 with insufficient runway remaining to stop the aircraft safely as a result of the commander’s interpretation that there was smoke and 'fire'.
CONTRIBUTORY CAUSES:
a) The failure of the No 9 wheel rim during the take-off roll which caused the bang and smoke.
b) The probable use of watermist as a medium to cool hot brakes which may have subject the wheel rims to fail under normal operating loads.
c) The continued usage of the inboard wheel half that should have been retired during year 2000.

Bronnen:
» ICAO Adrep


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photo of Boeing 747-230F (SCD) TF-ARR
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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 Sharjah Airport en Frankfurt International Airport bedraagt 4819 km (3012 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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