Crash-aerien 23 MAY 1974 d'un Lockheed L-100-30 Hercules N14ST - Springfield, IL
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Statuts:Accident investigation report completed and information captured
Date:jeudi 23 mai 1974
Type/Sous-type:Silhouette image of generic C130 model; specific model in this crash may look slightly different
Lockheed L-100-30 Hercules
Compagnie:Saturn Airways
Immatriculation: N14ST
Numéro de série: 4225
Année de Fabrication: 1967
Heures de vol:18837
Moteurs: 4 Allison 501-D22A
Equipage:victimes: 3 / à bord: 3
Passagers:victimes: 1 / à bord: 1
Total:victimes: 4 / à bord: 4
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:près de Springfield, IL (   Etats-Unis d'Amérique)
Phase de vol: En vol (ENR)
Aéroport de départ:Alameda NAS, CA (NGZ/KNGZ), Etats-Unis d'Amérique
Aéroport de destination:Indianapolis-Weir Cook Municipal Airport, IN (IND/KIND), Etats-Unis d'Amérique
Numéro de vol: 14
At 10:00 PDT Saturn Flight 14 departed the Alameda Naval Air-Station for a cargo flight to Wilmington, Delaware with an en route stop at Indianapolis The flight was uneventful before it reached Springfield, except for a deviation to avoid weather over Colorado. Shortly after a deviation to the right to avoid weather, the left wing separated from the aircraft at about outer wing station 162. The aircraft rolled and yawed violently, and shortly after the left wing failed , the right wing failed outboard of the no. 4 engine. The aircraft descended at a steep angle and crashed.

Probable Cause:

PROBABLE CAUSE: "The undiscovered, preexisting fatigue cracks, which reduced the strength of the left wing to the degree that it failed as a result of positive aerodynamic loads created by moderate turbulence."

Accident investigation:

Investigating agency: NTSB
Status: Investigation completed
Duration: 244 days (8 months)
Accident number: NTSB/AAR-75-05
Download report: Final report

» NTSB-AAR-75-5

Opérations de secours
As a result of facts obtained by the Safety Board during its investigation of the crash of Flight 14, the FAA issued Airworthiness Directive 74-12-06. The directive required that all applicable aircraft be inspected. The inspection of all US registered L-382 aircraft revealed one aircraft with the lower forward spar cap cracked through the entire cross section at OWS 160. The flight hours on the aircraft were 16,000 +.


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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 Alameda NAS, CA et Indianapolis-Weir Cook Municipal Airport, IN est de 3089 km (1931 miles).
Accident location: Exact; as reported in the official accident report.

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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