Crash-aerien 06 APR 1958 d'un Vickers 745D Viscount N7437 - Freeland-Tri City Airport, MI (MBS)
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Statuts:Accident investigation report completed and information captured
Date:dimanche 6 avril 1958
Heure:23:19
Type/Sous-type:Silhouette image of generic VISC model; specific model in this crash may look slightly different
Vickers 745D Viscount
Compagnie:Capital Airlines
Immatriculation: N7437
Numéro de série: 135
Année de Fabrication: 1956-08-24 (1 year 8 months)
Moteurs: 4 Rolls-Royce Dart 510
Equipage:victimes: 3 / à bord: 3
Passagers:victimes: 44 / à bord: 44
Total:victimes: 47 / à bord: 47
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:0,7 km (0.4 milles) SW de Freeland-Tri City Airport, MI (MBS) (   Etats-Unis d'Amérique)
Phase de vol: En approche (APR)
Nature:Transport de Passagers Nat.
Aéroport de départ:Flint-Bishop Airport, MI (FNT/KFNT), Etats-Unis d'Amérique
Aéroport de destination:Freeland-Tri City Airport, MI (MBS/KMBS), Etats-Unis d'Amérique
Numéro de vol: 67
Détails:
Capital Airlines Flight 67 was scheduled between New York-LaGuardia Airport, and Chicago, Illinois, with intermediate stops at Detroit, Flint, Tri-City Airport (serving Saginaw, Bay City, and Midland), Michigan. N7437, the aircraft to be used on this flight, was flown from Cleveland, Ohio, and, because of weather and field conditions at LaGuardia , was landed at Newark Airport, New Jersey. Accordingly, Flight 67 was rescheduled to originate at Newark instead of La Guardia.
The flight departed Newark at 19:16, 1 hour and 16 minutes late. The trip to Flint was routine; the aircraft landed there at 22:37. Flight 67 departed Flint for Tri-City Airport at 23:02 and was to be flown in accordance with an IFR clearance at a cruising altitude of 3600 feet.
While en route the flight called Saginaw ATCS (Air Traffic Communication Station) and was given the local 23:00 weather observation and the runway in use, No. 5. The Tri City Airport does not have a traffic control tower. The 23:00 Saginaw weather was reported as: Measured ceiling 900 feet , overcast; visibility 3 miles; light snow showers; temperature 34; dewpoint 33; wind north-northeast 18, peak gusts to 27 knots, altimeter 29.48.
At 23:16 Flight 67 advised Saginaw radio that it was over the airport. A short time later, ground witnesses observed the lights of the aircraft when it was on the downwind leg of the traffic pattern. The aircraft was seen to make a left turn onto base leg and at this time the landing lights of the aircraft were observed to come on. During this portion of the approach the aircraft was flying beneath the overcast, estimated to be 900 feet, and appeared to be descending. When turning on final, the aircraft flew a short distance beyond the extended centerline of the runway
and its bank was steepened considerably to effect realignment. The aircraft was observed to return to level flight and pitched steeply down. It impacted the ground and burst into flames.

Probable Cause:

PROBABLE CAUSE: "An undetected accretion of ice on the horizontal stabilizer which, in conjunction with specific airspeed and aircraft configuration, caused a loss of pitch control."

Accident investigation:

cover
Investigating agency: CAB
Status: Investigation completed
Duration: 6 years and 11 months
Accident number: File No. 1-0031
Download report: Final report

Sources:
» ICAO Accident Digest, Circular 59-AN/54 (113-117)


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Plan
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 Flint-Bishop Airport, MI et Freeland-Tri City Airport, MI est de 68 km (43 miles).
Accident location: Approximate; accuracy within a few kilometers.

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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Vickers Viscount

  • 445 built
  • 11ème loss
  • 5ème accident fatal
  • le accident The le plus grave (à ce moment là)
  • le accident 13ème le plus grave (en ce moment)
» safety profile

 Etats-Unis d'Amérique
  • le accident 15ème le plus grave (à ce moment là)
  • le accident 64ème le plus grave (en ce moment)
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