NTSB Identification: FTW83FA270.
The docket is stored on NTSB microfiche number 22658.
Accident occurred Thursday, June 09, 1983 in LANE CITY, TX
Aircraft: AIR TRACTOR AT-400A, registration: N31619
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 PLT WAS LEADING A FLT OF 2 ACFT ON AN AERIAL APPLICATION MISSION. THE PLT OF THE 2ND ACFT STATED THAT AT THE END OF A SWATH RUN, THE LEAD ACFT PULLED UP TO AN ALMOST VERTICAL ATTITUDE & TO AN ALT OF BETWEEN 300 & 400 FT AGL. AT THAT TIME, THE PLANE STALLED & CONTINUED OVER ONTO ITS BACK, THEN ENTERED AN INVERTED SPIN. REPORTEDLY, THE SPIN CONTINUED FOR ABOUT 1 1/2 TURNS UNTIL THE ACFT IMPACTED THE GROUND IN A STEEP NOSE DOWN, SLIGHTLY INVERTED, ATTITUDE. AN INVESTIGATION REVEALED THAT THE PLT WAS HIGHLY QUALIFIED IN AG OPERATIONS, BUT HAD ONLY RECENTLY STARTED FLYING TURBINED POWER ACFT. REPORTEDLY, HE HAD RECEIVED NO FORMAL TRAINING IN THIS MODEL OF THE ACFT NOR IN THE OPERATING CHARACTERISTICS OF TURBINE ENGS. AN EXAM OF THE WRECKAGE WAS MADE, BUT NO PREIMPACT, MECHANICAL FAILURE OR MALFUNCTION WAS FOUND.

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

PULL-UP..EXCESSIVE..PILOT IN COMMAND

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

AIRSPEED..NOT MAINTAINED..PILOT IN COMMAND

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

STALL/SPIN..INADVERTENT..PILOT IN COMMAND


Contributing Factors

INADEQUATE TRANSITION/UPGRADE TRAINING..PILOT IN COMMAND


Contributing Factors

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND


Contributing Factors

OVERCONFIDENCE IN AIRCRAFT'S ABILITY..PILOT IN COMMAND

Index for Jun1983 | Index of months