ASN Wikibase Occurrence # 365672
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| Date: | Monday 18 February 1991 |
| Time: | 13:40 LT |
| Type: |  Beechcraft 95 |
| Owner/operator: | Private |
| Registration: | N2772Y |
| MSN: | TD-149 |
| Engine model: | LYCOMING IO-360-A1A |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Roundup, MT -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Lewistown, MT (LWT |
| Scottsbluff, NE (KBFF) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE AT CRUISE FLIGHT AND IN IMC, THE RIGHT ENGINE LOST PARTIAL POWER. THE PILOT STATED THAT WHILE HE WAS ASSESSING THE PROBLEM WITH THE RIGHT ENGINE, THE LEFT ENGINE ALSO LOST PARTIAL POWER. THE PILOT DID NOT FOLLOW THE MANUFACTURER'S SINGLE ENGINE PROCEDURES, OR ENGINE ICE PROTECTION PROCEDURES. THE AIRPLANE WAS UNABLE TO MAINTAIN ALTITUDE AND A FORCED LANDING WAS INITIATED. DURING THE LANDING ROLL IN AN OPEN FIELD, THE AIRPLANE COLLIDED WITH A DITCH. WEATHER FORECASTS CAUTIONED OF MODERATE RIME ICING IN THE PRECIPITATION. BOTH ENGINES WERE TEST RUN AND FOUND TO OPERATE WITHIN NORMAL PARAMETERS.
Probable Cause: PARTIAL LOSS OF POWER FOR UNDETERMINED REASONS.
Accident investigation:
 |
|
Sources:
NTSB SEA91LA053
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2024 12:35 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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