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Last updated: 21 September 2021
Statuts:
Date:lundi 24 avril 1995
Type/Sous-type:Silhouette image of generic CL60 model; specific model in this crash may look slightly different
Canadair CC-144A Challenger 601
Compagnie:Canadian Armed Forces
Immatriculation: 144613
Numéro de série: 3035
Année de Fabrication: 1985
Equipage:victimes: 0 / à bord: 4
Passagers:victimes: 0 / à bord: 0
Total:victimes: 0 / à bord: 4
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Halifax-Canadian Forces Base Shearwater, NS (YAW) (   Canada)
Phase de vol: A l'atterrissage (LDG)
Nature:Militaire
Aéroport de départ:Halifax-Canadian Forces Base Shearwater, NS (YAW/CYAW), Canada
Aéroport de destination:Halifax-Canadian Forces Base Shearwater, NS (YAW/CYAW), Canada
Détails:
A Canadair CC-144A Challenger 601 jet was damaged beyond repair in a landing accident at Halifax-Canadian Forces Base Shearwater, NS (YAW) in Canada. The aircraft was operated by the Canadian Armed Forces on a crew training flight.
During a flapless landing the aircraft was flared too high and the pilot then put the nose down in an attempt to correct the situation. As a result the aircraft touched down very hard, bounced and began to porpoise. The pilot carried out a go-around.
It appeared the right hand main gear was damaged in the bounced landing and the airplane entered a holding pattern. After about 40 minutes in the holding pattern, the right main undercarriage suddenly fell away. This was quickly followed by a total loss of power on the right engine and an intense fire in the general area of the right wheel well.
The crew immediately directed the plane to Shearwater for an emergency landing. The aircraft landed safely but slid off the side of the runway. The crew were able to exit the aircraft before an explosion occurred in the centre section fuel tank.

During the first landing attempt the right undercarriage trunnion structure had been damaged and the undercarriage had broken away to hang from a hydraulic actuator and its associated hydraulic line. This hydraulic line passed over a fuel line near the wheel well transferring the weight of the undercarriage onto the fuel line. After a while the fuel line had failed followed by the hydraulic line and the undercarriage had then fallen free. The failure of the fuel line resulted in the right engine being starved of fuel while leaking fuel, streaming from the rupture, ignited causing the massive fire.

Sources:
» Canadian Armed Forces, Directorate of Flight Safety report


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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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