Accident Republic RC-3 Seabee N6490K,
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ASN Wikibase Occurrence # 198668
 
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Date:Tuesday 30 August 2016
Time:08:55
Type:Silhouette image of generic RC3 model; specific model in this crash may look slightly different    
Republic RC-3 Seabee
Owner/operator:Private
Registration: N6490K
MSN: 752
Year of manufacture:1947
Engine model:Franklin
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Post Oak, MO -   United States of America
Phase: En route
Nature:Private
Departure airport:Post Oak, MO
Destination airport:Post Oak, MO
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The private pilot was conducting a local flight when the airplane’s engine started to lose power.  The pilot attempted a forced landing to a field; however, the airplane collided with trees. Examination of the airplane’s engine noted that compression was low in all cylinders, and rust was present inside the cylinders.  The airplane was not operated for about 4 years and had flown about 2 hours since being returned to service.  The partial loss of engine power is consistent with a degradation in cylinder compression, and it is likely that rust formed in the engine during the time the airplane was not being used.

Probable Cause: A partial loss of engine power due to low cylinder compression. Contributing to the loss of engine power was rust formation in the cylinders due to inactivity.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: CEN16LA355
Status: Investigation completed
Duration:
Download report: Final report

Sources:

NTSB

History of this aircraft

Other occurrences involving this aircraft
29 August 2016 N6490K Private 0 Henry County east of Tightwad, MO sub

Location

Revision history:

Date/timeContributorUpdates
19-Aug-2017 13:54 ASN Update Bot Added

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