NTSB Identification: FTW83FA039
14 CFR Part 91: General Aviation
Accident occurred Sunday, November 21, 1982 in HENNESSEY, OK
Probable Cause Approval Date: 11/21/1983
Aircraft: PIPER PA-28-140, registration: N9816W
Injuries: 3 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 PLT WAS GIVING TAXI RIDES TO HIS GRANDCHILDREN AT A PRIVATE FARM STRIP. ACCOMPANIED BY TWO TEENAGE GRANDDAUGHTERS, THE PLT WAS OBSERVED IN THE RIGHT FRONT SEAT HOLDING THE ENTRY DOOR OPEN WHILE TAXIING THE ACFT UP & DOWN THE STRIP. A WITNESS HEARD THE THROTTLE ADVANCE AT APPROXIMATELY MID FIELD & SAW THE ACFT BECOME AIRBORNE NEAR THE END OF THE STRIP. THE ACFT CLIMBED IN A VERY HIGH NOSE UP ATTITUDE & THEN SLID BACKWARDS IN THE AIR, DISAPPEARING FROM VIEW IN A TAIL DOWN FALL. THE TRIM WAS FOUND IN THE FULL NOSE UP POSITION. NONE OF THE OCCUPANTS WERE WEARING SEATBELTS. NEITHER OF THE PASSENGERS HAD ANY AERONAUTICAL KNOWLEDGE. THE PLT HAD A MEDICAL HISTORY OF TREATMENT FOR HIGH BLOOD PRESSURE. A REVIEW OF HIS LOG BOOK INDICATED THAT HE DISCONTINUED FLYING WHILE TAKING MEDICATION. HE HAD JUST STARTED FLYING AGAIN AFTER DISCONTINUING HIS MEDICATION. THE PLT'S SON STATED THAT THE PLT HAD NOT INTENDED TO TAKE OFF & FELT STRONGLY THAT THE PLT BECAME INCAPACITATED WHILE TAXIING & BECAME AIRBORNE INADVERTANTLY.

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

AIRCRAFT HANDLING..UNCONTROLLED..PILOT IN COMMAND

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

INCAPACITATION..PILOT IN COMMAND

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