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Statuts: Accident investigation report completed and information captured
Date:jeudi 4 avril 2019
Type/Sous-type:Silhouette image of generic DH8D model; specific model in this crash may look slightly different
de Havilland Canada DHC-8-402Q Dash 8
Compagnie:Austrian Airlines
Immatriculation: OE-LGM
Numéro de série: 4319
Année de Fabrication: 2010
Heures de vol:17192
Moteurs: 2 Pratt & Whitney Canada PW150A
Equipage:victimes: 0 / à bord: 4
Passagers:victimes: 0 / à bord: 74
Total:victimes: 0 / à bord: 78
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:Innsbruck-Kranebitten Airport (INN) (   Autriche)
Phase de vol: A l'atterrissage (LDG)
Nature:Transport de Passagers Nat.
Aéroport de départ:Wien-Schwechat International Airport (VIE/LOWW), Autriche
Aéroport de destination:Innsbruck-Kranebitten Airport (INN/LOWI), Autriche
Numéro de vol:OS903
An Austrian Airlines DHC-8-402Q Dash 8, performing flight OS903, suffered a tailstrike during landing in Innsbruck, Austria.
The flight departed Vienna, Austria, at 10:03 hours local time, bound for Innsbruck. The first officer was Pilot Flying. Foehn conditions were already foreseeable at Innsbruck, but wind shears were not forecast.
The en route and descent part of the flight were uneventful. At 10:50 the flight received landing clearance for runway 08 and wind information from the controller at Innsbruck: "020 deg 11 kt...Kematen 070 deg 17, gusting 32, expect wind checks on final" (Kernaten is a town located on the runway 08 approach path). Five minutes later the aircraft was on final approach at 30 ft above the ground at a speed (IAS) of about 141 kt. During the next two seconds, the aircraft quickly lost altitude and speed. The first officer noticed that the aircraft was "pushed down". The rate of descent was approximately 500-700 ft/min. The first officer increased the power, but at this point the aircraft was already touching down on the runway at a speed of 123 knots.
The first officer pulled up the nose of the aircraft, because of which the pitch angle of the aircraft rose to 7.65° when touching down. The rate of descent decreased to approximately 200-500 ft/min by the time of touchdown. The maximum vertical acceleration (along the yaw axis) when touching down was 2.1 g.
A post-landing inspection showed damage to the underside of the rear fuselage, which had touched the runway. On the inside of the rear of the fuselage, stringers and frames were broken and bent.

The aircraft was repaired and resumed service on June 4, two months after the accident.

Probable Cause:

Probable causes: Sudden decrease in wind speed just before touchdown (Low-level negative wind shear)

Accident investigation:
Investigating agency: UUS Austria
Status: Investigation completed
Duration: 2 years and 3 months
Accident number: 2021-0.432.817
Download report: Final report
Language: English

» BFU19-0350-DX

METAR Weather report:
08:20 UTC / 10:20 local time:
LOWI 040820Z 08013G24KT 040V130 9999 FEW060 SCT080 16/02 Q0993 NOSIG

09:20 UTC / 11:20 local time:
LOWI 040920Z 04014G24KT 360V070 9999 FEW060 SCT080 16/02 Q0993 NOSIG


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Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Wien-Schwechat International Airport et Innsbruck-Kranebitten Airport est de 399 km (250 miles).

Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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