ASN Wikibase Occurrence # 295023
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| Date: | Sunday 2 November 2003 |
| Time: | 17:00 LT |
| Type: |  Piper PA-20 |
| Owner/operator: | Private |
| Registration: | N1486A |
| MSN: | 20-839 |
| Year of manufacture: | 1952 |
| Total airframe hrs: | 3317 hours |
| Engine model: | Lycoming O-290-D |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Bethel, Alaska -
 United States of America
|
| Phase: | Unknown |
| Nature: | Private |
| Departure airport: | Akiak Airport, AK (AKI/PFAK) |
| Akiak Airport, AK (AKI/PFAK) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial pilot was flying over mountainous terrain when he noted a rough running engine and a slight reduction in engine rpm. He applied full carburetor heat, which was followed by a rapid loss of engine power, and subsequent loss of altitude. Unable to restore adequate engine power to maintain level flight, the pilot selected an uphill portion of a mountainside as a forced landing site. During touchdown on the soft, tundra-covered terrain, the left main landing gear collapsed, and the left wing struck the ground. The airplane sustained structural damage to the left wing and fuselage. The pilot said that weather conditions at the time of the accident were, in part: Visibility, 10 statute miles in light rain and mist; clouds and sky condition, 3,000 feet overcast; temperature, 40 degrees F. The pilot reported that there were no preaccident mechanical anomalies with the airplane, and that the loss of engine power was due to carburetor icing.
Probable Cause: The pilot's delayed application of carburetor heat, which resulted in a loss of engine power, and subsequent forced landing. Factors associated with the accident were weather conditions conducive to carburetor icing, and the lack of suitable terrain for a forced landing.
Accident investigation:
 |
|
Sources:
NTSB ANC04LA005
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 12-Oct-2022 17:03 | ASN Update Bot | Added |
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