ASN Wikibase Occurrence # 38081
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| Date: | Sunday 25 October 1992 |
| Time: | 12:50 LT |
| Type: |  Piper PA-12 |
| Owner/operator: | Harpham, Samuel E. |
| Registration: | N3743M |
| MSN: | 12-2678 |
| Engine model: | Lycoming O-320-A3B |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Lowman, ID -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Graham Airstrip, ID |
| Boise, ID (KBOI) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT OF THE PIPER PA-12 SPENT ABOUT 45 MINUTES MANEUVERING AT LOW LEVEL IN AND AROUND STEEP CANYONS IN THE ROUGH MOUNTAINOUS TERRAIN. HE THEN LANDED AT THE REMOTE FOREST SERVICE AIRSTRIP, AND SPENT ABOUT AN HOUR ON THE GROUND. AFTER DEPARTURE FROM THE AIRSTRIP, THE AIRCRAFT WAS OBSERVED FLYING LESS THAN 50 FEET ABOVE TREETOP LEVEL ALONG AN UNEVEN FORESTED RIDGE. WITNESSES INDICATED THAT, ALTHOUGH THEY LOST SIGHT OF THE AIRCRAFT BEHIND SOME TREES ABOUT FIVE SECONDS PRIOR TO THE ACCIDENT, THE ENGINE SOUNDED AS IF IT WAS RUNNING SMOOTHLY, AND AT OR NEAR FULL POWER, UNTIL THEY HEARD THE NOISE FROM THE IMPACT.
Probable Cause: THE PILOT'S FAILURE TO MAINTAIN ADEQUATE TERRAIN CLEARANCE. FACTORS INCLUDE MOUNTAINOUS/HILLY TERRAIN, TREES, AND THE PILOT'S DIVERTED ATTENTION.
Accident investigation:
 |
|
Sources:
NTSB SEA93FA010
History of this aircraft
Other occurrences involving this aircraft
| 13 March 1983 | N3743M | Private | 0 | Coalville, UT | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 10-Apr-2024 17:08 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
Corrections or additions? ... Edit this accident description
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