ASN Wikibase Occurrence # 215786
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| Date: | Friday 28 September 2018 |
| Time: | 13:25 |
| Type: |  Piper PA-32-300 Cherokee Six |
| Owner/operator: | Private |
| Registration: | N4592X |
| MSN: | 32-7640039 |
| Year of manufacture: | 1975 |
| Total airframe hrs: | 4047 hours |
| Engine model: | Lycoming IO-540-K1A5 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | near Bartow Municipal Airport (BOW), Polk County, FL -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Boca Raton, FL (BCT) |
| Tampa, FL (VDF) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The private pilot reported that during cruise flight, the engine began to run roughly. The No. 3 cylinder then separated from the airplane; the engine lost all power, and oil began to cover the windshield. The pilot flew via instruments and landed in a marsh; the right wing of the airplane separated after contacting a tree. Postaccident engine examination revealed impact marks on the engine crankcase where the No. 3 cylinder would have been secured. The marks were consistent with the cylinder impacting the case multiple times. The examination also revealed that several of the nuts on other cylinders were well below the required 50 ft-lbs of torque. The engine's most recent overhaul was completed about 12 years before the accident, and the engine had accrued about 366 hours since that overhaul; there was no record of cylinder removal or replacement since the engine overhaul. It is likely that undertorqued cylinder nuts allowed the cylinder to come loose and separate from the engine. The investigation could not determine if the undertorqued condition of the cylinder nuts was the result of an improper overhaul or possible improper undocumented maintenance after the overhaul.
Probable Cause: A total loss of engine power after the separation of the No. 3 cylinder from the crankcase due to improper maintenance.
Accident investigation:
 |
|
Sources:
NTSB
https://flightaware.com/live/flight/N4592X/history/20180928/1430Z/KBCT/KVDF
FAA register: https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=N4592X%20
Location
Media:
BREAKING: Plane flying from Boca Raton crashes in Polk Countyhttps://t.co/gHKdJOSAu2 pic.twitter.com/eARo680Hs7
— The Palm Beach Post (@pbpost) 28 septembre 2018
Video from the scene of the small plane crash, a Piper with tail number N4592X, registered to 70 yr old pilot William Gonzalez Jr of Valrico. He and his passenger/grandson 21 yr old Joseph Berninghaus, are going to be okay. Video taken from PCSO airboat in #Bartow pic.twitter.com/BptS0iZXUF
— Polk County Sheriff (@PolkCoSheriff) 28 septembre 2018
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Sep-2018 19:14 | Captain Adam | Added |
| 28-Sep-2018 21:09 | Geno | Updated [Aircraft type, Registration, Cn, Phase, Departure airport, Destination airport, Source, Narrative] |
| 28-Sep-2018 22:16 | Iceman 29 | Updated [Source, Embed code] |
| 27-Nov-2019 07:16 | ASN Update Bot | Updated [Time, Nature, Departure airport, Destination airport, Source, Embed code, Narrative, Accident report, ] |
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