NTSB Identification: NYC88LA190.
The docket is stored on NTSB microfiche number 38126.
Accident occurred Thursday, July 21, 1988 in GREENLAND, NH
Probable Cause Approval Date: 12/29/1989
Aircraft: WACO UPF-7, registration: N20973
Injuries: 3 Uninjured.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
THE INTENTION OF THE FLIGHT WAS TO GIVE PEOPLE AT AN ANNUAL COMPANY PICNIC A RIDE IN THE AIRCRAFT. AFTER TAKEOFF AND WHILE STARTING A LEFT TURN THE PILOT STATED THAT HE ENCOUNTERED A 'SUDDEN WINDSHEAR/DOWNDRAFT.' THE AIRCRAFT NEVER GOT ABOVE 200 FEET AND COLLIDED WITH A TREE DURING THE RECOVERY. THE PILOT INDICATED THAT THE WINDS WERE GUSTING TO 25 KNOTS AND THAT THE AIRCRAFT GOT INTO A 'STALL CONDITION DURING THE TURN TO DOWNWIND'.
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..INADVERTENT..PILOT IN COMMAND
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