NTSB Identification: MKC84FA174.
The docket is stored on NTSB microfiche number 26512.
Accident occurred Sunday, June 17, 1984 in BROKEN BOW, NE
Aircraft: BEECH C35, registration: N335W
Injuries: 4 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.

WHILE ON AN IFR FLT AT 6000 FT, THE PLT REQUESTED, AND WAS GRANTED A DEVIATION AROUND WX. LATER, N335W INFORMED DENVER ARTCC THAT THEY WERE GOING TO GET INTO SOME MODERATE TURBULENCE FOR A LITTLE BIT BUT THAT IT LOOKED LIKE THE LIGHT AT THE END OF THE TUNNEL. THE ACFT DISAPPEARED FROM THE DENVER ARTCC RADAR. THE WRECKAGE WAS LOCATED SPREAD OVER AN AREA APPROXIMATELY 1 MI BY 1/4 MI. THE INVESTIGATION DID NOT REVEAL ANY MALFUNCTION OF THE ENG OR ACFT COMPONENT AND THE PATHOLOGICAL/TOXICOLOGICAL EXAMINATION OF THE PLT ALSO WERE NEGATIVE.

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

WEATHER EVALUATION..MISJUDGED..PILOT IN COMMAND

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

PREFLIGHT PLANNING/PREPARATION..INADEQUATE..PILOT IN COMMAND

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

DESIGN STRESS LIMITS OF AIRCRAFT..EXCEEDED..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..THUNDERSTORM


Contributing Factors

WEATHER CONDITION..TURBULENCE


Contributing Factors

OVERCONFIDENCE IN AIRCRAFT'S ABILITY..PILOT IN COMMAND

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