ASN Wikibase Occurrence # 285852
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| Date: | Tuesday 15 July 2008 |
| Time: | 11:20 LT |
| Type: |  Piper PA-18-150 |
| Owner/operator: | Sky Signs LLC |
| Registration: | N4287Z |
| MSN: | 18-8536 |
| Year of manufacture: | 1967 |
| Engine model: | Lycoming O-320 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Surfside Beach, South Carolina -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Banner and glider towing |
| Departure airport: | Conway, SC |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During the second banner-tow flight of the day, the pilot noticed a slight vibration emanating from the engine, which several seconds later became a "very intense" vibration. The engine power began to diminish rapidly, so the pilot began searching for a suitable forced landing site. During the descent, the pilot attempted to restore engine power, and applied carburetor heat, but his efforts were unsuccessful. During the forced landing, the wheels of the airplane encountered an area of soft ground and the airplane subsequently nosed-over resulting in substantial damage. Post-accident examination of the engine revealed that the carburetor heat flapper was obstructed by a mud dauber's nest. Examination of carburetor ice probability charts indicated "serious icing at glide power," or "light icing - glide or cruise power."
Probable Cause: A loss of engine power due to carburetor icing. Contributing to the accident was the obstruction of the carburetor heat flapper by a mud dauber's nest.
Accident investigation:
 |
|
Sources:
NTSB NYC08LA249
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Oct-2022 16:02 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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