NTSB Identification: CHI86LA127.
The docket is stored on NTSB microfiche number 31773.
Accident occurred Wednesday, April 23, 1986 in FT. WAYNE, IN
Aircraft: HUGHES 269A, registration: N8752F
Injuries: 1 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.

APPROX 10-15 MINUTES AFTER TAKEOFF THE STUDENT PILOT LOST CONTROL OF THE HELICOPTER AND CRASH LANDED INTO TREES. FOLLOWING THE ACCIDENT, THE ONLY UNUSUAL THING FAA PERSONNEL COULD LOCATE WAS A FAILED HORIZONTAL STABILIZER SPAR. POST-CRASH EXAMINATION OF THE STABILIZER REVEALED THAT IT WAS A HUGHES PART EXTENSIVELY MODIFIED FOLLOWING MANUFACTURE BY PERSONS UNKNOWN. SEVERAL SKIN CRACKS ON THE STABILIZER HAD BEEN UNSUCCESSFULLY STOP DRILLED IN AN ATTEMPT TO STOP CRACK PROGRESSION. IN ADDITION, ALL SKIN TO SPAR RIVETS WERE NONSTANDARD.

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

ROTORCRAFT FLIGHT CONTROL..UNDETERMINED


Contributing Factors

STABILIZER..FAILURE,TOTAL


Contributing Factors

MAINTENANCE,MODIFICATION..INTENTIONAL..OTHER MAINTENANCE PERSONNEL


Contributing Factors

MAINTENANCE,MODIFICATION..IMPROPER..OTHER MAINTENANCE PERSONNEL

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