NTSB Identification: FTW85LA030.
The docket is stored on NTSB microfiche number 26595.
Accident occurred Monday, October 29, 1984 in TERRELL, TX
Aircraft: HUGHES 269A, registration: N8856F
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.

ACFT WAS SUBSTANTIALLY DAMAGED DURING AN AUTOROTATIVE LANDING AFTER THE PLT HEARD A 'LOUD POP' FROM THE REAR OF THE HELICOPTER. INVESTIGATION REVEALED THE SPINES ON THE LOWER PULLEY SHAFT COUPLING WERE SEVERLY STRIPPED.

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

FLARE..EXCESSIVE..PILOT IN COMMAND

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

ROTOR DRIVE SYSTEM,MAIN ROTOR DRIVING PULLEY..STRIPPED THREAD

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

ROTOR DRIVE SYSTEM,ENGINE TO TRANSMISSION DRIVE..SEPARATION



Contributing Factors

MAINTENANCE,RECORDKEEPING..INADEQUATE..OTHER MAINTENANCE PERSONNEL

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