Aviation Accident Summary GAA18CA247

Sonora, TX, USA

Aircraft #1

N4487D

ROBINSON HELICOPTER R44

Analysis

The pilot reported that, while he was spotting deer, the helicopter hit a treetop, damaging the tail rotor. The helicopter began to spin, and the pilot closed the throttle. He landed the helicopter, and it then rolled onto its left side. The helicopter sustained substantial damage to the tailboom and fuselage. The pilot reported that there were no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation. The pilot's recommendation was to fly at a higher and safer altitude.

Factual Information

The pilot reported that, while spotting deer, the helicopter hit the top of a tree damaging the tail rotor. The helicopter began to spin, and the pilot closed the throttle. The helicopter landed and rolled onto its left side. The helicopter sustained substantial damage to the tail boom and fuselage. The pilot reported that there were no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation. The pilot's recommendation was to fly at a higher and safer altitude.

Probable Cause and Findings

The pilot’s failure to maintain clearance from trees while maneuvering at a low altitude.

 

Source: NTSB Aviation Accident Database

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