ASN Wikibase Occurrence # 378226
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| Date: | Sunday 21 October 1984 |
| Time: | 15:12 LT |
| Type: |  Beechcraft 99A |
| Owner/operator: | Pioneer Airways |
| Registration: | N1921T |
| MSN: | U-128 |
| Year of manufacture: | 1969 |
| Total airframe hrs: | 20030 hours |
| Engine model: | P&W PT6A-28 |
| Fatalities: | Fatalities: 0 / Occupants: 6 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Fort Morgan, CO -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | Denver International Airport, CO (DEN/KDEN) |
| Sydney, NE (KSNY) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
CAPTAIN SHUTDOWN RT ENGINE IN-FLIGHT DUE TO A SURGING AND VIBRATION PROBLEM. THE AIRCRAFT WAS IN MODERATE ICING CONDITIONS AT THE TIME OF THE ENGINE SHUTDOWN. THE CAPTAIN WAS UNABLE TO MAINTAIN ALTITUDE AND AN EMERGENCY LANDING WAS MADE IN A CORN FIELD. POST INCIDENT EXAMINATION OF THE RT ENGINE REVEALED THAT A COMPRESSOR TURBINE BLADE HAD FAILED IN FATIGUE, CAUSING ADDITIONAL DAMAGE TO THE REMAINING BLADES. APPROXIMATELY 1 1/2 TO 2 INCHES OF ICE WERE FOUND ON VARIOUS UNPROTECTED AREAS OF THE AIRCRAFT.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB DEN85IA016
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 31-Mar-2024 06:14 | ASN Update Bot | Added |
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