Aviation Accident Summaries

Aviation Accident Summary MKC84FA234

CLARINDA, IA, USA

Aircraft #1

N4229G

SIMS - BASSET VARIEZE

Analysis

WITNESSES OBSERVED A GROUND RUN OF APRX 2000 FT BEFORE LIFT-OFF WAS ACHIEVED AFTER WHICH THE ACFT APPEARED TO CLIMB LABORIOUSLY TO ABOUT 100 FT AGL. ACFT THEN EXECUTED STEEP, DESCENDING RT TURN OF ABOUT 240 DEGREES BACK TOWARD THE ARPT.ACFT COLLIDED WITH PWR LINE ABOUT 25 FT AGL THEN CONTINUED APRX 100 FT INTO A CINDER BLOCK STRUCTURE. ACFT DISINTEGRATED ON IMPACT WITH STRUCTURE. WT AND BALANCE CALCULATIONS SHOW ACFT 200 LBS OVER MAX GROSS WIEGHT. ENG TEARDOWN DISCLOSED LOW COMPRESSION ON ALL CYLS, OIL FILTER CONTAINED METAL PARTICLES, EXCESSIVE WEAR ON REAR CAMSHAFT BEARING OBSERVED AND EVIDENCE OF CRANKSHAFT OIL SEAL SPINNING IN CRANKCASE. NO. 1 AND NO. 3 TOP SPARK PLUGS WERE LEAD FOULED AND WOULD NOT FIRE DURING TESTING.

 

Source: NTSB Aviation Accident Database

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