Summary
On April 18, 2018, a Robinson Helicopter R44 (N4487D) was involved in an incident near Sonora, TX. All 2 people 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 failure to maintain clearance from trees while maneuvering at a low altitude.
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.
This incident is documented in NTSB report GAA18CA247. AviatorDB cross-references NTSB investigation data with FAA registry records to provide comprehensive safety information for aircraft N4487D.
Accident Details
Probable Cause and Findings
The pilot’s failure to maintain clearance from trees while maneuvering at a low altitude.
Aircraft Information
Registered Owner (Historical)
Analysis
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.
Data Source
Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# GAA18CA247