Summary
On May 22, 1989, a Hiller UH-12E (N3829) was involved in an incident near Waterford, WI. All 1 person aboard were uninjured. The aircraft sustained substantial damage.
The National Transportation Safety Board determined the probable cause of this incident to be: THE PILOT'S INABILITY TO MAINTAIN CONTROL DURING AN AUTOROTATIONAL LANDING ATTEMPT FOLLOWING THE FAILURE OF THE MAIN ROTOR DRIVE TRAIN TORSIONAL COUPLING.
This incident is documented in NTSB report CHI89DEP04. AviatorDB cross-references NTSB investigation data with FAA registry records to provide comprehensive safety information for aircraft N3829.
Accident Details
Probable Cause and Findings
THE PILOT'S INABILITY TO MAINTAIN CONTROL DURING AN AUTOROTATIONAL LANDING ATTEMPT FOLLOWING THE FAILURE OF THE MAIN ROTOR DRIVE TRAIN TORSIONAL COUPLING.
Aircraft Information
Registered Owner (Current)
Data Source
Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# CHI89DEP04