NTSB Identification: ATL87LA231.
The docket is stored on NTSB microfiche number 34846.
Accident occurred Friday, August 14, 1987 in KNOXVILLE, TN
Probable Cause Approval Date: 01/11/1989
Aircraft: PIPER PA-28-235, registration: N8661W
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 RPRTD THAT DRG TAKEOFF, THE ACFT CLBD NORMALLY FOR ABOUT 100 TO 150 FT, THEN THE ENG LOST PWR W/O WARNING. HE SWITCHED FUEL TANKS & TRIED TO RESTART THE ENG, BUT WAS UNABLE. THE ACFT WAS LNDD & SANK IN A RIVER, SHORT OF AN OPEN FLD. WHEN THE ACFT WAS RECOVERED FROM THE WATER, THE MIXTURE CONTROL WAS FOUND ABOUT 1-1/8 INCH FROM THE FULL RICH POSITION. NO PREIMPACT PART FAILURE OR MALFUNCTION WAS FOUND. THE ENG WAS DRIED OUT & SERVICED WITH NEW OIL. AN ENG RUN WAS MADE, BUT THE POWER WAS LIMITED TO ABOUT 1500 RPM TO AVOID VIBRATION DUE TO A BENT PROP. THE PLT SAID THAT AT THE TIME OF TAKEOFF, HE HAD LEANED THE MIXTURE DUE TO THE AMBIENT TEMP. THE 1452 TEMP AT KNOXVILLE WAS 88 DEG.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:MIXTURE..IMPROPER USE OF..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:EMERGENCY PROCEDURE..NOT FOLLOWED..PILOT IN COMMAND
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