Accident
Last updated: 24 October 2014
Statuts:Enquête Officielle
Date:dimanche 18 novembre 1979
Heure:04:56
Type/Sous-type:Lockheed L-188CF Electra
Compagnie:Transamerica Airlines
Immatriculation: N859U
Numéro de série: 2016
Année de Fabrication: 1960
Heures de vol:41764
Moteurs: 4 Allison 501-D13
Equipage:victimes: 3 / à bord: 3
Passagers:victimes: 0 / à bord: 0
Total:victimes: 3 / à bord: 3
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Salt Lake City, UT (   Etats-Unis d'Amérique) show on map
Phase de vol: En vol (ENR)
Nature:Cargo
Aéroport de départ:Ogden-Hill AFB, UT (HIF/KHIF), Etats-Unis d'Amérique
Aéroport de destination:Las Vegas-Nellis AFB, NV (LSV/KLSV), Etats-Unis d'Amérique
Numéro de vol: 18
Détails:
Flight 3N18 departed Hill AFB for an IFR cargo flight to Nellis AFB. While climbing from FL120 to FL130 the crew reported loss of electrical power and requested no-gyro vectors to visual flight conditions and immediate descent clearance. During the descent the aircraft attained a high airspeed and high rate of descent and disintegrated in flight.

PROBABLE CAUSE: "A progressive failure in the aircraft's electrical system leading to the disabling or erratic performance of some critical flight instruments and flight instrument lighting while the flight was operating in night instrument meteorological condition. As a result of these conditions, the flight crew could not resolve the instrumentation anomalies to determine proper aircraft attitude reference, and became disoriented and lost control of the aircraft. The crew's efforts to regain control of the aircraft imposed aerodynamic loads which exceeded design limits of the aircraft and caused it to break up in flight."

Sources:
» NTSB-AAR-80-11

Official accident investigation report
investigating agency: National Transport Safety Bureau (NTSB) - United States of America
report status: Final
report number: NTSB/AAR-80-11
download report: Transamerica Airlines, Inc. Lockheed L-188, N859U, Salt Lake City, Utah, November 18, 1979. (NTSB/AAR-80-11)

Opérations de secours

NTSB issued 1 Safety Recommendation

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Photos

photo of Lockheed L-188CF Electra N859U
Saturn Airways merged into Trans International Airlines; the airline was renamed Transamerica October 1, 1979
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Plan
Ce plan montre l'aéroport de départ ainsi que la supposé destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Ogden-Hill AFB, UT et Las Vegas-Nellis AFB, NV est de 601 km (375 miles).

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