ASN Aircraft accident Lockheed 18-56-23 Lodestar N1245V Tyrone, PA
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Status:Accident investigation report completed and information captured
Date:Thursday 20 December 1956
Time:19:23
Type:Silhouette image of generic L18 model; specific model in this crash may look slightly different
Lockheed 18-56-23 Lodestar
Operator:United States Steel Corporation
Registration: N1245V
MSN: 18-2470
First flight: 1943
Total airframe hrs:3715
Engines: 2 Wright R-1820-56
Crew:Fatalities: 2 / Occupants: 2
Passengers:Fatalities: 1 / Occupants: 1
Total:Fatalities: 3 / Occupants: 3
Aircraft damage: Damaged beyond repair
Location:8 km (5 mls) N of Tyrone, PA (   United States of America)
Phase: En route (ENR)
Nature:Executive
Departure airport:Pittsburgh International Airport, PA (PIT/KPIT), United States of America
Destination airport:New York (unknown airport), NY, United States of America
Narrative:
Lost control while at cruising altitude of 9000 feet. During the uncontrolled descent the aircraft failed structurally as a result of airloads in excess of design strength.

Probable Cause:

PROBABLE CAUSE: "The Board determines that the probable cause of the accident was the loss of control for reasons unknown resulting in a rapid descent during which structural failure occurred."

Classification:
Loss of control

Sources:
» CAB File No. 2-0065


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This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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