ASN Wikibase Occurrence # 312191
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| Date: | Tuesday 23 March 2021 |
| Time: | 23:21 LT |
| Type: |  Mooney M20B |
| Owner/operator: | Private |
| Registration: | N74786 |
| MSN: | 1786 |
| Year of manufacture: | 1961 |
| Total airframe hrs: | 5001 hours |
| Engine model: | Lycoming O-360-A1D |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Animas, New Mexico -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Fort Stockton-Pecos County Airport, TX (FST/KFST) |
| Tucson International Airport, AZ (TUS/KTUS) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During a night instrument flight rules cross-country flight, the airplane encountered weather that included clouds and icing conditions. Shortly thereafter, the engine began to run rough and lose power; radar contact was lost, and the airplane was located in mountainous terrain.
Postaccident examination of the airframe and engine revealed no mechanical anomalies that would have precluded normal operation.
Weather conditions reported at the time of the accident were conducive to the formation of serious carburetor icing at cruise power settings. The pilot reported that, during a climb into clouds, with the carburetor heat off, the engine began to run rough and was losing rpms before he applied carburetor heat. Therefore, it is likely that carburetor ice accumulated during the climb, which resulted in a partial loss of engine power.
Probable Cause: The pilot's delayed use in the operation of carburetor heat which resulted in a loss of engine power due to carburetor icing.
Accident investigation:
 |
|
Sources:
NTSB WPR21LA141
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 07-May-2023 08:12 | ASN Update Bot | Added |
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