ASN Wikibase Occurrence # 359948
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| Date: | Friday 19 August 1994 |
| Time: | 13:50 LT |
| Type: |  Beechcraft C90A |
| Owner/operator: | University Of North Dakota |
| Registration: | N1553N |
| MSN: | LJ-1238 |
| Year of manufacture: | 1990 |
| Total airframe hrs: | 4749 hours |
| Engine model: | P&W PT6A-21 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Janesville, WI -
 United States of America
|
| Phase: | En route |
| Nature: | Training |
| Departure airport: | Detroit, MI (KDET) |
| Grand Forks, ND (GFK | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE IN CRUISE FLIGHT AT 20,000 FEET MEAN SEA LEVEL, AND MANEUVERING AROUND BUILD-UPS THE FLIGHT ENTERED IMC. SHORTLY AFTER ENTERING THE CLOUDS THE AIRPLANE ENCOUNTERED SEVERE TURBULENCE AND SOME OF THE FLIGHT INSTRUMENTS BECAME UNRELIABLE (TUMBLED). POSITIVE CONTROL OF THE AIRPLANE WAS REGAINED BETWEEN 16,800 AND 17,000 MSL. SUBSEQUENT EXAMINATION FOUND SUBSTANTIAL DAMAGE TO THE AIRFRAME.
Probable Cause: the pilot-in-command's exceeding the design structural limits of the airplane. Factors were turbulence in clouds and the pilot- in-command;s continued flight into known adverse weather.
Accident investigation:
 |
|
Sources:
NTSB CHI94LA277
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Mar-2024 16:20 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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