ASN Wikibase Occurrence # 45592
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| Date: | Saturday 6 April 2002 |
| Time: | 08:07 |
| Type: |  Piper PA-18-150 |
| Owner/operator: | Private |
| Registration: | N4389A |
| MSN: | 18-4798 |
| Year of manufacture: | 1956 |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Silesia, MT -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Laurel, MT (6S8) |
| Bridger, MT (6S1) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The non-certificated pilot departed Laurel, Montana, with his passenger at 0746 in the Piper PA-18-150. The wreckage was found shortly after noon the same day and there were no witnesses to the accident. Although the aircraft was extensively damaged by fire, 10-11 foot ground scars indicated a westerly track along the 5 degree up sloped terrain immediately followed by propeller slash marks 14 inches apart placing the aircraft's nose (longitudinal axis) along a west-southwest heading. The distance between the propeller slash marks and the final resting place of the aircraft's engine was 27.5 feet with the aircraft coming to rest with its longitudinal axis along an approximate north/south line (tail north). The leading edge of the left wing displayed aftward compressive damage characteristic of ground impact and the propeller spinner likewise showed aftward compressive damage. The right wing displayed no such damage. Propeller tip fragments were found embedded near the propeller ground slash marks and adjacent to the aircraft's tail. No control discontinuity nor mechanical malfunction was evident during the wreckage examination. A Garmin GPS III on board the aircraft provided 158 data points showing latitude/longitude and time beginning with the departure from Laurel and continuing up to a point coincident with the ground impact site. The track showed a marked left turn during the last moment of flight which terminated at 0807:22.
Probable Cause: The non-certificated pilot's inadvertent entry into a stall condition at low altitude.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20020412X00507&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Oct-2008 00:45 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 09-Dec-2017 16:07 | ASN Update Bot | Updated [Source, Narrative] |
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