ASN Wikibase Occurrence # 368421
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| Date: | Tuesday 11 July 1989 |
| Time: | 15:45 LT |
| Type: |  Piper PA-25 |
| Owner/operator: | Private |
| Registration: | N6663Z |
| MSN: | 25-2263 |
| Engine model: | LYCOMING O-540 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Wh Sulphur Spgs, MT -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Wh Sulphur Spgs, MT |
| (7S6) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PLT WAS ON AN AERIAL APPLICATION FLT, SPRAYING WEEDS NEXT TO HILLY TERRAIN. HE RPRTD THAT AS HE WAS IN A RIGHT TURN (LAST SPRAY RUN), THE ACFT ENCOUNTERED AN UNEXPECTED TAILWIND & EXTREME TURBULENCE. SUBSEQUENTLY, IT SETTLED & COLLIDED WITH THE GROUND.
Probable Cause: THE PILOT FAILED TO MAINTAIN ADEQUATE AIRSPEED DURING AN AERIAL APPLICATION MANEUVER AND INADVERTENTLY ALLOWED THE AIRCRAFT TO MUSH INTO THE GROUND. UNFAVORABLE WIND AND TURBULENCE WERE CONSIDERED TO BE CONTRIBUTING FACTORS.
Accident investigation:
 |
|
Sources:
NTSB DEN89LA167
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 23-Mar-2024 18:17 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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