Accident
Last updated: 21 August 2014
Status:Definitief
Datum:maandag 17 november 1980
Tijd:ca 07:30
Type:British Aerospace Nimrod MR.2
Luchtvaartmaatschappij:Royal Air Force - RAF
Registratie: XV256
Constructienummer: 8031
Bouwjaar:
Motoren: 4 Rolls-Royce Spey 250
Bemanning:slachtoffers: 2 / inzittenden: 20
Passagiers:slachtoffers: 0 / inzittenden: 0
Totaal:slachtoffers: 2 / inzittenden: 20
Schade: Afgeschreven
Gevolgen: Written off (damaged beyond repair)
Plaats:ca. 1,5 km S of Forres-Kinloss RAF Station (FSS) (   Verenigd Koninkrijk) show on map
Fase: InitiŰle klim (ICL)
Soort vlucht:Militair
Vliegveld van vertrek:Forres-Kinloss RAF Station (FSS/EGQK), Verenigd Koninkrijk
Vliegveld van aankomst:Forres-Kinloss RAF Station (FSS/EGQK), Verenigd Koninkrijk
Beschrijving:
Just before 07:30 a crew took off in semi-darkness on the final sortie of their conversion from the Nimrod 1 to the Nimrod MR2 aircraft. Being the final sortie, the normal crew was increased to 20 by 5 checking crew and an additional Air Engineer. The surface wind was 070 degrees at 02 kts, with 8 kms visibility in rain and a main cloud base of 3000 ft.
Engine response and indications during the take-off run were normal, but shortly after take-off, at an estimated height of 20 ft, the aircraft flew through a dense flock of Canada Geese flying in arrowhead formation between overnight roosting and daily feeding grounds. It suffered numerous bird-strikes. Almost simultaneously the no.1 engine surged violently, suffering a catastrophic internal failure. The low pressure compressors on the nos 2 and 3 engines were also damaged and, although they continued to run, they produced little thrust. Effectively the fully laden aircraft was being powered by only the No 4 engine which itself may have been damaged.
Some 27 seconds after take-off the aircraft came down on the relatively soft tree-tops of a forest of young pine trees 1300 yards from the end of the runway and was quickly engulfed in flames.


CAUSE OF THE ACCIDENT: "The investigation into the accident established, that the cause was a multiple birdstrike which occurred at a critical stage of flight. The aircraft suffered such a severe loss of thrust that maintenance of height and flying speed quickly became impossible. It was the captain's skill in keeping the stricken aircraft airborne long enough to make a very smooth and controlled crash at minimum speed into the treetops that undoubtedly saved, the lives of the 18 crew members. After the accident 77 dead sea birds were found on or near the runway. It is not known how many others were ingested by the aircraft engines."

Bronnen:
» Mike Wain
» UK Ministry of Defence MAAS 10/82


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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 Forres-Kinloss RAF Station en Forres-Kinloss RAF Station bedraagt 0 km (0 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Networkĺs 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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