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NTSB investigation record

GAA19CA066

Completed

Robinson R44· N445KP

Date
November 10, 2018
Location
Lihue, HI
Conditions
VMC
Record
Published September 25, 2020

Primary finding

Probable cause

The passenger’s improper decision to hold her cell phone outside the helicopter, which resulted in it departing the helicopter and striking the tail rotor.

Investigator assessment

Analysis narrative

The pilot reported that, before the helicopter tour flight, he had briefed the passengers, but they still attempted to take cell phones onboard without cases. He then gave the passengers cases and attached them to their wrists. During the flight, while the helicopter was flying about 100 knots, the right-side passenger held her cell phone and case outside of the cabin into the airflow, which resulted in the cell phone and case without the strap exiting the helicopter and subsequently impacting the tail rotor. The helicopter sustained substantial damage to the tail rotor. The pilot reported that there were no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation.

Source record

Factual narrative

The pilot reported that, before the helicopter tour flight, passengers had been briefed, but still attempted to take cell phones onboard without "a case". He then supplied the cases and attached them to the passengers wrist. During the flight, while at approximately 100 knots, the right side passenger extended her cell phone, in the case, outside of the cabin into the airflow. The cell phone and case, minus the strap, departed the helicopter and impacted the tail rotor. The helicopter sustained substantial damage to the tail rotor. The pilot reported that there were no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation.

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