ASN Wikibase Occurrence # 358875
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| Date: | Sunday 11 June 1995 |
| Time: | 09:30 LT |
| Type: |  Air Tractor AT-301 |
| Owner/operator: | Lemaster Aerial Spraying Inc. |
| Registration: | N23477 |
| MSN: | 301-0390 |
| Year of manufacture: | 1981 |
| Total airframe hrs: | 3355 hours |
| Engine model: | P&W R-1340 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Hoxie, KS -
 United States of America
|
| Phase: | En route |
| Nature: | Agricultural |
| Departure airport: | (KS01) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT REPORTED HE WAS EN ROUTE FOR AN AERIAL APPLICATION OPERATION WHEN THE ENGINE BEGAN TO SPUTTER APPROXIMATELY FOUR MILES AFTER DEPARTURE. HE STATED THERE WERE NO ABNORMAL INDICATIONS ON ANY OF THE ENGINE INSTRUMENTS OR THROTTLE QUADRANT. THE ENGINE THEN LOST ALL POWER AND THE PILOT MADE A FORCED LANDING ON A ROAD. WHILE LANDING, THE AIRPLANE'S LANDING GEAR STRUCK A DITCH AND THE AIRPLANE CAME TO REST IN AN INVERTED POSITION. POSTACCIDENT EXAMINATION REVEALED THE NUT (P/N 9294) ON THE ADJUSTING SCREW FOR THE NUMBER THREE CYLINDER WAS LOOSE. DUE TO THE EXCESSIVE CLEARANCE, THE EXHAUST VALVE WAS NOT ABLE TO OPEN.
Probable Cause: the loss of engine power due to the loose nut on the adjustment screw and the jammed exhaust valve on the number three cylinder. A factor in the accident was the ditch.
Accident investigation:
 |
|
Sources:
NTSB CHI95LA198
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 14-Mar-2024 19:08 | ASN Update Bot | Added |
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