NTSB Identification: ATL88LA228.
The docket is stored on NTSB microfiche number 37852.
Accident occurred Saturday, August 06, 1988 in BURKESVILLE, KY
Probable Cause Approval Date: 12/03/1989
Aircraft: MOONEY M20F, registration: N6864V
Injuries: 1 Serious,1 Minor.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE PLT REPORTED THAT THE AIRPLANE ENCOUNTERED HEAVY RAIN AND EXTREME TURBULENCE WHILE FLYING OVER A BLACK CLOUD AT 8,500 FT. HE STATED THAT IT WAS AS IF AN 'INVISIBLE TORNADO HAD REACHED OUT' AND GRABBED THE AIRPLANE; EXCESSIVE CLIMB & DESCENT RATES WERE EXPERIENCED, AND CONTROL OF THE AIRPLANE WAS LOST. THE AIRPLANE ENTERED A SPIN AND DESCENDED SEVERAL THOUSAND FT INTO TREES. THE WINGS WERE TORN OFF ON IMPACT WITH THE TREES, AND THE AIRPLANE SUBSEQUENTLY IMPACTED THE TERRAIN INVERTED. WHEN QUESTIONED ABOUT PRE-FLIGHT PREPARATION, THE PLT STATED THAT HE HAD NOT OBTAINED A WX BRIEFING FROM FLT SVC, BUT NOTED THAT HE WAS AWARE OF A COLD FRONT IN THE AREA. THE PLT REPORTED THAT HE HAD AN INSTRUMENT RATING. ACCORDING TO FAA RECORDS, HE WAS NOT INSTRUMENT RATED.

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

STALL/SPIN..INADVERTENT..PILOT IN COMMAND

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

FLIGHT INTO KNOWN ADVERSE WEATHER..ATTEMPTED..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..THUNDERSTORM



Contributing Factors

WEATHER CONDITION..TURBULENCE(THUNDERSTORMS)


Contributing Factors

PREFLIGHT BRIEFING SERVICE..NOT USED..PILOT IN COMMAND


Contributing Factors

LACK OF TOTAL INSTRUMENT TIME..PILOT IN COMMAND

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