ASN Wikibase Occurrence # 377725
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| Date: | Monday 11 February 1985 |
| Time: | 11:30 LT |
| Type: |  Piper PA-18 |
| Owner/operator: | David Bennett |
| Registration: | N3777P |
| MSN: | 18-46665 |
| Total airframe hrs: | 2375 hours |
| Engine model: | LYCOMING O-320 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Thompson Falls, MT -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Survey |
| Departure airport: | Thomas Falls, MT |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE ACFT NOSED OVER DURING A FORCED LNDG ON TERRAIN COVERED BY 20 INCHES OF SNOW. THE FLT WAS ON DEER SURVEY FLT THE PLT TOLD OF IMPROPER USE OF THE CARB HEAT CONTROL DURING A PERIOD OF'PERFECT' ICING CONDITIONS. THE PLTS REDUCTION OF POWER DURING MANEUVERING ALSO CONTRIBUTED TO THE BUILD UP OF ICE IN THE CARBURETOR. THE PLT WROTE IN HIS STATEMENT UNDER PREVENTATIVE RECOMMENDATIONS THAT HE SHOULD HAVE BEEN MORE AWARE OF GETTING BEHIND THE 'HEAT CURVE' OF THE ENG.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB DEN85LA076
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 30-Mar-2024 15:46 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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