NTSB Identification: MKC84FA234.
The docket is stored on NTSB microfiche number 26356.
Accident occurred Friday, July 27, 1984 in CLARINDA, IA
Aircraft: SIMS - BASSET VARIEZE, registration: N4229G
Injuries: 2 Fatal.
NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.
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.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:ENGINE ASSEMBLY..UNDETERMINED
The National Transportation Safety Board determines the probable cause(s) of this accident to be:ABORTED LANDING..NOT PERFORMED..PILOT IN COMMAND
PREFLIGHT PLANNING/PREPARATION..INADEQUATE..PILOT IN COMMAND
AIRCRAFT WEIGHT AND BALANCE..EXCEEDED..PILOT IN COMMAND
AIRCRAFT PERFORMANCE,TAKEOFF CAPABILITY..INADEQUATE
IGNITION SYSTEM,SPARK PLUG..LEADED
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