NTSB Identification: MKC85FA036.
The docket is stored on NTSB microfiche number 27077.
Accident occurred Wednesday, December 19, 1984 in KAISER, MO
Aircraft: CESSNA 310L, registration: N3325X
Injuries: 1 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.

THE ACFT WAS OBSERVED DEPARTING THE AIRPORT TO THE SOUTH CLIMBING. IFR FLT CONDITIONS PREVAILED IN THE AREA. THE PLT RPTD VFR AT 2000 FT. THE ACFT WAS NOTED BY PASSENGERS OF AN EARLIER FLIGHT TO HAVE MALFUNCTIONING AUTOPILOT ALTITUDE ANDGUIDANCE INSTRUMENTATION. NO RECORD OF REPAIRS TO THESE FLIGHT INSTRUMENTS PRIOR TO THIS FLT WERE FOUND. NOR DID THE PLTREQUEST ANY ASSISTANCE FOR THEIR REPAIR. THE PLT REQUESTED AND RCVD IFR CLEARANCE TO HIS INTENDED DESTINATION. THE ACFT WAS HEARD DESCENDING UNTIL IMPACTING THE GROUND. THE ACFT IMPACTED THE GROUND IN A NEARLY VERTICAL ANGLE, BREAKING ONLY TWO TREE BRANCHES DURING THE VERTICAL DESCENT. NO MECHANICAL MALFUNCTION OF THE AIRFRAME OR ENGINES WAS DISCOVERED.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

DIRECTIONAL CONTROL..NOT MAINTAINED..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

DIVERTED ATTENTION..PILOT IN COMMAND


Contributing Factors

AUTOPILOT/FLIGHT DIRECTOR,TRANSMITTER(AUTOPILOT)..FLUCTUATING


Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

SELF-INDUCED PRESSURE..PILOT IN COMMAND


Contributing Factors

LIGHT CONDITION..DARK NIGHT


Contributing Factors

FATIGUE..PILOT IN COMMAND

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