NTSB Identification: CHI86FER03.
The docket is stored on NTSB microfiche number 30867.
Accident occurred Saturday, March 29, 1986 in LAKEVILLE, MN
Aircraft: HUGHES 269A (TH-55A), registration: N10415
Injuries: 1 Minor,1 Uninjured.

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 CFI REPORTED THE ACCIDENT OCCURRED DURING A DEMONSTRATION OF WIND EFFECT DURING TURNS AROUND A POINT. THE CFI REPORTED THAT AS THE HELICOPTER WAS TURNED DOWNWIND IT BEGAN DESCENDING FROM AN ALT OF APRX 200 FT AGL. IT CONTINUED IT'S DESCENT UNTIL THE RIGHT SKID CONTACTED THE TERRAIN AND THE HELICOPTER ROLLED OVER. STRONG, GUSTY WINDS WERE REPORTED AT THE TIME OF THE ACCIDENT.

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

AIRCRAFT HANDLING..NOT MAINTAINED..PILOT IN COMMAND

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

ALTITUDE..NOT MAINTAINED..PILOT IN COMMAND


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