ASN Wikibase Occurrence # 363683
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| Date: | Tuesday 5 May 1992 |
| Time: | 13:25 LT |
| Type: |  Rockwell S-2R Thrush Commander |
| Owner/operator: | Larmie Aviation, Inc. |
| Registration: | N8803Q |
| MSN: | 2336R |
| Total airframe hrs: | 6216 hours |
| Engine model: | P&W R-1340 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | St. John, WA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING A SPRAY RUN THE NUMBER 1 CYLINDER HEAD SEPARATED AND A TOTAL POWER LOSS FOLLOWED. NO PRE EXISTING CRACK WAS REPORTED AT THE POINT OF FAILURE. THE PILOT SET UP FOR A FORCED LANDING IN HILLY, UNEVEN TERRAIN AND DURING THE LANDING ROLL THE AIRCRAFT MOMENTARILY BECAME AIRBORNE AFTER CRESTING A HILL AND THEN PANCAKED INTO THE GROUND.
Probable Cause: THE SEPARATION OF THE NUMBER 1 CYLINDER AND REMEDIAL ACTION BY THE PIC NOT POSSIBLE. A FACTOR CONTRIBUTING TO THE ACCIDENT WAS: ROUGH/UNEVEN TERRAIN.
Accident investigation:
 |
|
Sources:
NTSB SEA92LA091
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 18-Mar-2024 19:55 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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