Crash-aerien 17 NOV 1980 d'un British Aerospace Nimrod MR.2 XV256 - Forres-Kinloss RAF Station (FSS)
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Statuts:Accident investigation report completed and information captured
Date:lundi 17 novembre 1980
Type/Sous-type:Silhouette image of generic NIM model; specific model in this crash may look slightly different
British Aerospace Nimrod MR.2
Compagnie:Royal Air Force - RAF
Immatriculation: XV256
Numéro de série: 8031
Année de Fabrication:
Moteurs: 4 Rolls-Royce Spey 250
Equipage:victimes: 2 / à bord: 20
Passagers:victimes: 0 / à bord: 0
Total:victimes: 2 / à bord: 20
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:ca. 1,5 km S of Forres-Kinloss RAF Station (FSS) (   Royaume Uni)
Phase de vol: En montée initiale (ICL)
Aéroport de départ:Forres-Kinloss RAF Station (FSS/EGQK), Royaume Uni
Aéroport de destination:Forres-Kinloss RAF Station (FSS/EGQK), Royaume Uni
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 MR.2 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 km visibility in rain and a main cloud base of 3000 ft.
Engine response and indications during the takeoff run were normal, but shortly after takeoff, at an estimated height of 20 ft, the aircraft flew through a dense flock of sea birds (likely gulls). 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 takeoff 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.

Probable Cause:

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."

Accident investigation:

Investigating agency: MoD UK
Status: Investigation completed
Duration: 1 year and 7 months
Accident number: MAAS 10/82
Download report: Summary report

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


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