On July 30, 1988, a Hiller UH-12E (registration N173HA) was involved in an aviation accident near Buffalo Lake, MN. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
During lift-off, the left tail rotor cable separated, causing loss of directional control. The helicopter collided with terrain, sustaining substantial damage. The pilot reported no injuries.
Incident Overview
During a helicopter lift-off, the left tail rotor cable separated, leading to a loss of directional control. The aircraft subsequently collided with the terrain, resulting in substantial damage. The pilot reported no injuries.
Inspection Findings
An inspection of the left tail rotor cable revealed a separation 67 inches aft of the forward clevis, in an area adjacent to a pulley located under the engine. Examination of the right tail rotor cable disclosed wear and fraying at a similar location.
Damage Assessment
The helicopter sustained substantial damage due to the impact with terrain. The exact extent of damage to specific components was not detailed in the source.