NTSB Identification: MKC68F0393
14 CFR Part 91 General Aviation
Aircraft: BEECH A23, registration: N4726J----------------------------------------------------------------------------------------------------------------------------
FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA
F S M/N PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0991 67/11/26 ASKOV,MINN BEECH A23 CR- 0 1 0 NONCOMMERCIAL PRIVATE, AGE 38, 154
TIME - 0920 N4726J PX- 0 2 1 PLEASURE/PERSONAL TRANSP TOTAL HOURS, 1 IN TYPE,
DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED.
TYPE OF ACCIDENT PHASE OF OPERATION
ENGINE FAILURE OR MALFUNCTION LANDING: GO-AROUND
STALL: MUSH LANDING: GO-AROUND
PROBABLE CAUSE(S)
POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
MISCELLANEOUS ACTS,CONDITIONS - IMPROPER CLEARANCE-TOLERANCE
PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
FACTOR(S)
PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
SUSPECTED MECHANICAL DISCREPANCY
REMARKS- NO COMPRESSION ON NO 3 CYL,DUE TO DEFORMED VALVE NOT SEATING PROPERLY.
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