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An MO21 pilot declared an emergency and glided to a safe landing after the engine failed. The reporter experienced severe vibration before the engine completely seized.
| Attributes | |
| ACN | 330917 |
| Time | |
| Date | 199603 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : u34 |
| State Reference | UT |
| Altitude | msl bound lower : 13500 msl bound upper : 13500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zlc tower : sna |
| Operator | general aviation : personal |
| Make Model Name | M-20 E Super 21 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise other |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : commercial pilot : instrument |
| Experience | flight time last 90 days : 20 flight time total : 925 flight time type : 500 |
| ASRS Report | 330917 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : declared emergency other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
Narrative:
Catastrophic engine failure at 13500 ft in level flight. Engine developed severe vibration for approximately 15 seconds then froze or seized up solid. I declared an emergency and glided 17 NM to green river, ut, airport. No damage to aircraft, no injuries. Engine is currently being checked out.
Original NASA ASRS Text
Title: AN MO21 PLT DECLARED AN EMER AND GLIDED TO A SAFE LNDG AFTER THE ENG FAILED. THE RPTR EXPERIENCED SEVERE VIBRATION BEFORE THE ENG COMPLETELY SEIZED.
Narrative: CATASTROPHIC ENG FAILURE AT 13500 FT IN LEVEL FLT. ENG DEVELOPED SEVERE VIBRATION FOR APPROX 15 SECONDS THEN FROZE OR SEIZED UP SOLID. I DECLARED AN EMER AND GLIDED 17 NM TO GREEN RIVER, UT, ARPT. NO DAMAGE TO ACFT, NO INJURIES. ENG IS CURRENTLY BEING CHKED OUT.
Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.