NTSB Identification: ATL87LA140.
The docket is stored on NTSB microfiche number 33896.
Accident occurred Friday, May 22, 1987 in HUNTERSVILLE, NC
Probable Cause Approval Date: 05/02/1988
Aircraft: STINSON 108-2, registration: N9796K
Injuries: 1 Serious.

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 HE CLOSED THE THROTTLE TO SIMULATE AN ENGINE FAILURE AFTER TAKEOFF FROM RWY 06, AT ABOUT 400-500 FT AGL. HE SUBSEQUENTLY MADE A 180 DEGREE TURN BACK TOWARD THE ARPT TO PRACTICE A SIMULATED FORCED LDG, AND THE ACFT SINK RATE INCREASED TO A GREATER RATE THAN 'EXPECTED'. HE THEN ADDED FULL THROTTLE, BUT THE ENGINE DID NOT RESPOND. THE ACFT IMPACTED GRASSY TERRAIN SHORT OF AND TO THE RIGHT OF THE RWY, AND SLID ABOUT 130 FEET. A POST-CRASH FIRE ENSUED. THE PLT STATED THAT HE HAD 11 TOTAL FLT HRS IN THIS MAKE AND MODEL, ALL OF WHICH WERE OBTAINED IN THIS ACFT. HE NOTED THAT THE ACFT HAD SAT UNUSED FOR THREE YEARS PRIOR TO HIS PURCHASING IT, AND THAT IT HAD RECEIVED AN ANNUAL INSPECTION A WEEK PRIOR TO THE ACCIDENT. THE ENGINE CARBURETOR WAS REPORTEDLY EQUIPPED WITH A 'LEATHER-SKIRT' TYPE ACCELERATOR PUMP.

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

THROTTLE/POWER CONTROL..REDUCED..PILOT IN COMMAND

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

MANEUVER..INTENTIONAL..PILOT IN COMMAND

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

EMERGENCY PROCEDURE..SIMULATED..PILOT IN COMMAND

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

PLANNED APPROACH..IMPROPER..PILOT IN COMMAND


Contributing Factors

PROPER DESCENT RATE..NOT MAINTAINED..PILOT IN COMMAND


Contributing Factors

LACK OF FAMILIARITY WITH AIRCRAFT..PILOT IN COMMAND


Contributing Factors

DESCENT..EXCESSIVE..PILOT IN COMMAND


Contributing Factors

JUDGMENT..POOR..PILOT IN COMMAND


Contributing Factors

IN-FLIGHT PLANNING/DECISION..IMPROPER..PILOT IN COMMAND



Contributing Factors

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND


Contributing Factors

OVERCONFIDENCE IN AIRCRAFT'S ABILITY..PILOT IN COMMAND

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