ASN Wikibase Occurrence # 147944
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| Date: | Sunday 26 August 2012 |
| Time: | 17:36 |
| Type: |  Mooney M20C |
| Owner/operator: | Private |
| Registration: | N557M |
| MSN: | 3175 |
| Year of manufacture: | 1965 |
| Total airframe hrs: | 3984 hours |
| Engine model: | Lycoming O&VO-360 SER |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Near East Hampton Airport - KHTO, East Hampton, NY -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | East Hampton, NY (HTO) |
| Tauton, MA (TAN) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that after takeoff, he retracted the landing gear and flaps and that the engine rpm decreased from 2,750 rpm to 2,400 rpm. He verified that the carburetor heat was off and that the throttle, propeller, and mixture controls were full forward. He declared an emergency with the control tower controller and turned left in an attempt to land on a closed runway. During the turn, "the engine became quiet," and the airplane collided with trees.
Postaccident examination of the airplane and engine showed no evidence of precrash mechanical failure or malfunction. Review of the FAA carburetor icing probability chart showed that conditions at the time of the accident were conducive to light carburetor icing at cruise and glide power; however, the airplane was operating at a higher power setting. The reason for the loss of engine power could not be determined.
Probable Cause: A loss of engine power for reasons that could not be determined because postaccident examination of the engine did not reveal any failures or malfunctions that would have precluded normal operation.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 26-Aug-2012 21:08 | Geno | Added |
| 27-Aug-2012 10:38 | bizjets101 | Updated [Aircraft type, Registration, Cn, Operator, Source, Damage] |
| 27-Aug-2012 10:42 | Geno | Updated [Aircraft type, Operator, Source, Narrative] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 28-Nov-2017 13:18 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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