NTSB Identification: BFO93FA169.
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Accident occurred Friday, September 10, 1993 in GREENBELT, MD
Probable Cause Approval Date: 07/25/1994
Aircraft: CESSNA A150, registration: N6013J
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 PILOT TELEPHONED A FRIEND AND TOLD HIM HE WOULD BE FLYING OVER HIS HOUSE. THE PILOT THEN PERFROMED A PRE-FLIGHT INSPECTION ON THE AIRPLANE AND TOOK OFF WITH NO DISCREPANCIES NOTED. A STUDENT PILOT WAS ALSO ON BOARD. ABOUT 15 MINUTES LATER, THE AIRPLANE WAS OBSERVED CIRCLING A RESIDENTIAL AREA AT ALTITUDES RANGING FROM 500 TO 1,000 FEET MEAN SEA LEVEL FOR ABOUT FIVE MINUTES. SOME WITNESSES REPORTED HEARING THE ENGINE 'REV UP' AND BECOME QUIET DURING THE CIRCLING. THE AIRPLANE WAS THEN OBSERVED TO INITIATE A 'STEEP' CLIMB, SUDDENLY NOSE OVER, AND SPIN INTO THE GROUND. THE AIRPLANE AERODYNAMICALLY STALLED, SPUN, IMPACTED TREES AND TERRAIN, AND BURNED. THE FLAPS WERE FOUND IN THE FULLY RETRACTED POSITION. EXAMINATIONS OF THE AIRFRAME AND ENGINE DID NOT REVEAL ANY PRE-IMPACT MECHANICAL DEFICIENCIES.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: 1) THE PILOT'S POOR JUDGEMENT IN BUZZING A RESIDENTIAL AREA, 2) HIS FAILURE TO MAINTAIN AN AIRSPEED ABOVE THE AERODYNAMIC STALLING SPEED, WHICH LED TO A STALL/SPIN, AND 3) THE INABILITY OF THE PILOT TO TAKE REMEDIAL ACTION AND RECOVER FROM THE STALL/SPIN DUE TO INSUFFICIENT ALTITUDE. Full narrative available
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