NTSB Identification: FTW93FA197.
The docket is stored in the Docket Management System (DMS). Please contact Records Management Division
Accident occurred Saturday, June 26, 1993 in PETRONILA, TX
Probable Cause Approval Date: 05/10/1994
Aircraft: AIR TRACTOR AT-502, registration: N1504Q
Injuries: 1 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 AIRPLANE WAS OBSERVED DURING SEVERAL SWATH RUNS AND TURN-AROUND MANUEVERS, AS IT WAS MAKING STEEPER TURNS AND CLIMBING HIGHER WITH EACH TURN-AROUND. AT ABOUT 300 FEET ABOVE THE GROUND, THE AIRPLANE WAS OBSERVED ROLLING TO AN INVERTED POSITION. A WITNESS REPORTED THAT THE PILOT STARTED TO PULL THE AIRPLANE OUT OF THE MANEUVER, BUT DID NOT HAVE ENOUGH ALTITUDE. THE AIRPLANE IMPACTED FLAT, WHILE STILL IN A STEEP DESCENT ANGLE.

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

FAILURE OF THE PILOT TO MAINTAIN SUFFICIENT AIRSPEED, WHILE MANEUVERING, WHICH RESULTED IN AN INADVERTENT STALL. A FACTOR RELATED TO THE ACCIDENT WAS: HIS LACK OF ALTITUDE FOR RECOVERY FROM THE STALL.

Full narrative available

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