NTSB Identification: NYC87LA208.
The docket is stored on NTSB microfiche number 35593.
Accident occurred Wednesday, July 22, 1987 in BEDFORD, MA
Probable Cause Approval Date: 02/14/1989
Aircraft: HUGHES 369D, registration: N8384F
Injuries: 1 Minor,1 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.
DURING A PRACTICE AUTOROTATION WITH POWER RECOVERY, THE ROTOR RPM BLED OFF. DIRECTIONAL CONTROL WAS LOST AND THE HELICOPTER TURNED SEVERAL TIMES BEFORE HITTING THE GROUND. THE HELICOPTER ROLLED TO THE LEFT AND CAME TO REST ON ITS SIDE.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:DIRECTIONAL CONTROL..NOT MAINTAINED..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:ROTOR RPM..NOT MAINTAINED..PILOT IN COMMAND
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