NTSB Identification: FTW84FA171.
The docket is stored on NTSB microfiche number 24757.
Accident occurred Saturday, March 17, 1984 in KIEFER, OK
Aircraft: BELLANCA 8KCAB, registration: N5502V
Injuries: 2 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 ACFT WAS DESTROYED AS IT SPUN INTO THE GROUND AFTER HAVING BEEN OBSERVED DOING AEROBATICS BETWEEN 800 AND 1500 AGL. THE MANEUVERS INCLUDED BARREL ROLLS AND HAMMERHEAD STALLS. THE LAST MANEUVER ENDED IN A SPIN THAT WAS SAID TO LAST ABOUT5 TURNS BEFORE IMPACT. THE ACFT IMPACTED IN A NOSE LOW RIGHT WING LEADING ATTITUDE. A CALCULATON OF THE ACFT WT & BALANCE SHOWED THAT THE CG WAS AT THE AFT EDGE OF THE ALLOWABLE ENVELOPE FOR AEROBATICS. THE PLT WHO FLEW THE ACFT AN HOUR BEFORE THE ACCIDENT FLT DID NOT REVEAL ANY DEFICIENCIES. POSITIVE CONTROL IS NECESSARY FOR SPIN RECOVERY IN THIS ACFT AS OPPOSSED TO THE C-150/152 WHICH THE PLT WAS EXPERIENCED IN.

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

PROPER ALTITUDE..NOT MAINTAINED..PILOT IN COMMAND

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

STALL/SPIN..NOT CORRECTED..PILOT IN COMMAND


Contributing Factors

AEROBATICS..PERFORMED..PILOT IN COMMAND


Contributing Factors

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND



Contributing Factors

LACK OF TOTAL EXPERIENCE IN KIND OF AIRCRAFT..PILOT IN COMMAND


Contributing Factors

AIRCRAFT WEIGHT AND BALANCE..DISREGARDED..PILOT IN COMMAND


Contributing Factors

LACK OF TOTAL EXPERIENCE IN TYPE OPERATION..PILOT IN COMMAND

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