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Last updated: 19 November 2017
Statuts:Enquête Officielle
Date:jeudi 6 janvier 2011
Type/Sous-type:Silhouette image of generic LJ35 model; specific model in this crash may look slightly different
Learjet 35A
Compagnie:Priester Aviation
Immatriculation: N800GP
Numéro de série: 35A-158
Année de Fabrication: 1978
Heures de vol:16506
Moteurs: 2 Garrett TFE731-3-2AP
Equipage:victimes: 0 / à bord: 2
Passagers:victimes: 0 / à bord: 4
Total:victimes: 0 / à bord: 6
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Springfield-Abraham Lincoln Capital Airport, IL (SPI) (   Etats-Unis d'Amérique)
Phase de vol: A l'atterrissage (LDG)
Aéroport de départ:Chicago-Midway Airport, IL (MDW/KMDW), Etats-Unis d'Amérique
Aéroport de destination:Springfield-Abraham Lincoln Capital Airport, IL (SPI/KSPI), Etats-Unis d'Amérique
Numéro de vol: 800
A Learjet 35A corporate jet, registered N800GP, sustained substantial damage in a landing accident at Springfield-Abraham Lincoln Capital Airport, IL (SPI), USA. All four passengers and two crew members survived. The airplane operated on Priester Aviation flight 800 from Chicago-Midway Airport, IL (MDW) to Springfield-Abraham Lincoln Capital Airport, IL (SPI).
The en route and descent part of the flight were uneventful. The airplane accumulated a trace of rime ice during the descent and approach. The airframe anti-icing system was turned off upon intercepting the ILS glide slope, which was shortly before descending below the cloud layer.
The copilot was the pilot flying at the time of the accident. He used the autopilot for the initial portion of the approach and then hand flew the airplane after breaking out of the clouds.
The pilot stated that the master warning and stick shaker activated when the airplane was on short final. The airplane impacted left of the runway centerline before it ultimately departed the right side of the runway pavement. The airplane crossed a slight rise before coming to rest in the grass.
A small fire was quickly put out by military staff, both pilots received minor back injuries, and there were no injuries among the four passengers.

Probable Cause:

PROBABLE CAUSE: "The pilot’s decision to conduct an instrument approach in icing conditions without the anti-ice system activated, contrary to the airplane flight manual guidance, which resulted in an inadvertent aerodynamic stall due to an in-flight accumulation of airframe icing."

Accident investigation:
Investigating agency: NTSB
Status: Investigation completed
Duration: 2 years and 2 months
Accident number: CEN11FA144
Download report: Summary report

» 2 injured in hard plane landing, fire at Capital Airport (The State Journal-Register, 6-1-2011)
» FlightAware flight track


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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 Chicago-Midway Airport, IL et Springfield-Abraham Lincoln Capital Airport, IL est de 268 km (168 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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