NTSB Identification: NYC83FA130.
The docket is stored on NTSB microfiche number 22267.
Accident occurred Friday, June 03, 1983 in WESTFIELD, MA
Aircraft: NORTH AMERICAN AT-6C, registration: N5286N
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 AIRLINE TRANSPORT RATED PLT WAS ON A LOW LEVEL, AEROBATIC WAIVER, COMPETENCY CHECK FLT. HE WAS SCHEDULED TO DEMONSTRATE A LOOP, AN AILERON ROLL, A SPLIT-S, AN IMMELMANN, A BARREL ROLL & A 4-POINT HESITATION ROLL. THE MINIMUM ALT FOR THESE MANEUVERS WAS TO BE 500 FT AGL. FOR THE MOST PART, WITNESSES AGREED THE 1ST 5 MANEUVERS WERE PERFORMED WELL, WITH MINOR EXCEPTIONS. HOWEVER, DURING THE FINAL MANEUVER, A 4-POINT ROLL TO THE LEFT, THE ACFT CRASHED. MOST OF THE WITNESSES BELIEVED THE PLT STARTED THE MANEUVER BELOW 500 FT AGL. REPORTEDLY, AT THE 1ST POINT OF THE ROLL, THE NOSE HAD BEGUN TO DROP. AT THE 2ND POINT (INVERTED), THE NOSE HAD DROPPED THRU THE HORIZON TO PERHAPS 10 DEG LOW. ONE EXPERIENCED PLT REPORTED THE ACFT DISHED OUT FROM ABOUT THE 3RD POINT. SUBSEQUENTLY, THE PLANE IMPACTED IN A SOMEWHAT NOSE LOW, RIGHT WING LOW ATTITUDE. THERE WERE INDICATIONS THAT UP ELEVATOR & RIGHT RUDDER WERE APPLIED JUST BEFORE IMPACT. THE PLT HAD APRX 500 HRS SINGLE ENGINE EXPERIENCE & RECENT PRACTICE SESSIONS IN AEROBATIC FLT.

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

ALTITUDE..MISJUDGED..PILOT IN COMMAND

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

FLIGHT CONTROLS..IMPROPER USE OF..PILOT IN COMMAND


Contributing Factors

AEROBATICS..PERFORMED..PILOT IN COMMAND


Contributing Factors

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND

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