ASN Wikibase Occurrence # 329896
| Date: | Thursday 23 May 1974 |
| Time: | 16:53 |
| Type: |  Lockheed L-100-30 Hercules |
| Owner/operator: | Saturn Airways |
| Registration: | N14ST |
| MSN: | 4225 |
| Year of manufacture: | 1967 |
| Total airframe hrs: | 18837 hours |
| Engine model: | Allison 501-D22A |
| Fatalities: | Fatalities: 4 / Occupants: 4 |
| Aircraft damage: | Destroyed, written off |
| Category: | Accident |
| Location: | near Springfield, IL -
 United States of America
|
| Phase: | En route |
| Nature: | Cargo |
| Departure airport: | Alameda NAS, CA (NGZ/KNGZ) |
| Indianapolis-Weir Cook Municipal Airport, IN (IND/KIND) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
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: "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:
|
Sources:
NTSB-AAR-75-5
Location
Revision history:
| Date/time | Contributor | Updates |
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