NTSB Identification: NYC94FA148.
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Accident occurred Thursday, August 04, 1994 in WILLIAMSTOWN, MA
Probable Cause Approval Date: 08/23/1995
Aircraft: BEECH A100, registration: N7GA
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 HAD UNDER GONE ROUTINE MAINTENANCE FOR SLOW ACCELERATION ON THE RIGHT ENGINE. MAINTENANCE RECORDS REVEALED THE FUEL CONTROLS WERE CHANGED FROM THE RIGHT ENGINE TO THE LEFT ENGINE. THE AIRPLANE WAS RELEASED BACK TO THE PILOT FOR SERVICE, AND HE DEPARTED FOR HIS HOME STATION. SEVERAL WITNESSES SAW THE AIRPLANE AFTER TAKEOFF AT A LOW ALTITUDE, AND AT A SLOW SPEED. THE AIRPLANE TURNED LEFT, AND THE LEFT WING STRUCK THE GROUND. TWO WITNESSES SAW THE AIRPLANE PASS BY THEM AT A LOW ALTITUDE, AND WROTE, '...AT THIS POINT WE COULD SEE THE LEFT (PORT) ENGINE PROPELLER WAS TURNING VERY SLOWLY. YOU COULD ACTUALLY SEE THE INDIVIDUAL BLADES OF THE PROPELLER TURNING.' A COMPLETE DISASSEMBLY OF BOTH ENGINES, REVEALED NO DISCREPANCIES OTHER THAN IMPACT, AND POST IMPACT FIRE DAMAGE. DISASSEMBLY OF THE LEFT PROPELLER INDICATED THAT THE PROPELLER BLADES WERE AT OR NEAR FEATHER AT IMPACT. THE PILOT HAD A TOTAL OF 106 FLIGHT HOURS IN BEECH A100 AIRCRAFT, ALL IN THE 90 DAYS PRIOR TO THE ACCIDENT, AND 56 HOURS IN THE 30 DAYS PRIOR TO THE ACCIDENT.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: the pilot's failure to maintain minimum control speed after an undetermined loss of engine power, which resulted in an inadvertent stall at too low of an altitude to allow recovery. Full narrative available
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