Accident Cessna A185F N999SW,
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ASN Wikibase Occurrence # 299405
 
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Date:Monday 3 January 2000
Time:12:25 LT
Type:Silhouette image of generic C185 model; specific model in this crash may look slightly different    
Cessna A185F
Owner/operator:Private
Registration: N999SW
MSN: 18503720
Year of manufacture:1979
Fatalities:Fatalities: 0 / Occupants: 4
Aircraft damage: Substantial
Category:Accident
Location:HOUSTON, Texas -   United States of America
Phase: Unknown
Nature:Private
Departure airport:(KLVJ)
Destination airport:LONGVIEW , TX (KGGG)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The airplane was climbing through 3,500 feet after departure when the pilot heard a sequence of loud bangs. The pilot stated that the airplane started to vibrate, therefore, he elected to pull the throttle to idle and returned to the departure airport. The pilot stated that he could not make it to the active runway and elected to land on a grass strip located on the airport. The pilot attempted to slow the airplane before impacting a ditch. The airplane nosed over at 40 knots, coming to rest inverted. Examination of the engine revealed that the #4 cylinder head separated from its cylinder barrel as a result of fatigue cracking originating in the cylinder head threads. The engine was overhauled 111.5 hours prior to the accident, at which time, 6 channel chromed overhauled cylinders were installed. It could not be determined how many hours the cylinders had accumulated or how many times they had been overhauled. There is no requirement to track cylinder hours or overhaul occurrences.

Probable Cause: the loss of engine power during climb as a result of fatigue cracking of the #4 cylinder head and its subsequent separation from its barrel.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: 
Status: Investigation completed
Duration: 1 year and 6 months
Download report: Final report

Sources:

NTSB FTW00LA058

History of this aircraft

Other occurrences involving this aircraft
6 March 2006 N120KM Private 0 Ely, Nevada sub

Revision history:

Date/timeContributorUpdates
16-Oct-2022 06:16 ASN Update Bot Added

Corrections or additions? ... Edit this accident description

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