ASN Wikibase Occurrence # 131838
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| Date: | Monday 6 September 1999 |
| Time: | 07:00 LT |
| Type: |  Rockwell S-2R Thrush Commander |
| Owner/operator: | Robert S. Guest |
| Registration: | N4919X |
| MSN: | 2113R |
| Total airframe hrs: | 5759 hours |
| Engine model: | P&W R-1340-AN1 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Lookeba, OK -
 United States of America
|
| Phase: | Take off |
| Nature: | Agricultural |
| Departure airport: | (NONE) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airplane's engine lost power during the takeoff roll. According to the pilot, during the 'run-up before takeoff the engine spit, backfired, and then cleared up.' He initiated the takeoff roll and 'everything was fine for a few seconds,' and then 'about half way down the runway the engine coughed, spit, and backfired again.' Smoke was coming from the engine compartment and entering the cockpit, and subsequently, he aborted the takeoff. The airplane overran the runway and came to rest in a ditch. The pilot/operator removed and examined the engine oil sump from the Pratt and Whitney R-1340-AN1 engine. He observed 'numerous pieces and shavings' of ferrous metal. He stated that the pieces resembled cylinder parts. No further examination of the engine was conducted.
Probable Cause: The loss of engine power resulting from a cylinder that failed for an undetermined reason.
Accident investigation:
 |
|
Sources:
NTSB FTW99LA247
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 14-Dec-2017 09:04 | ASN Update Bot | Updated [Departure airport, Source, Narrative] |
| 07-Apr-2024 18:12 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Phase, Departure airport, Source, Narrative, Category, Accident report] |
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