NTSB Identification: NYC85LA154.
The docket is stored on NTSB microfiche number 29096.
Accident occurred Sunday, June 23, 1985 in CORTLAND, NY
Aircraft: McCulloch J-2, registration: N4328G
Injuries: 3 Minor.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

ACCORDING TO THE PILOT, THE ROTOR BLADE CONTACTED THE TAIL RUDDERS BECAUSE OF INSUFFICIENT ROTOR SPEED. THE ROTOR BLADESWERE THROWN OUT OF TRACK AND THE GYROPLANE LOST CONTROL. THE INSUFFICIENT ROTOR RPM WAS DUE TO A ROTOR OR PULLEY BELT STRIPPING.

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

ADEQUATE ROTOR RPM..NOT OBTAINED..PILOT IN COMMAND

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:

ENGINE INSTRUMENT..INACCURATE..PILOT IN COMMAND


Contributing Factors

ROTOR SYSTEM,MAIN ROTOR BLADE..DISABLED


Contributing Factors

ROTOR DRIVE SYSTEM,MAIN ROTOR DRIVE BELT..UNDETERMINED

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