Aviation Accident Summaries

Aviation Accident Summary CHI91DEE06

MINERAL, IL, USA

Aircraft #1

N91MG

ROBINSON R22B

Analysis

A COMMERICAL PILOT APPLYING CHEMICAL SPRAY TO A CORN FIELD REVERSED COURSE FOR A DOWNWIND PASS. A POWER LINE BORDERED THE NEAR END OF THE FIELD AND THE PILOT ATTEMPTED TO DROP JUST OVER THE LINE TO COMMENCE THE RUN. THE TAIL ROTOR STRUCK THE POWER LINE, SHEARING BOTH TAIL ROTOR BLADES CLOSE TO THE HUB. THE PILOT REDUCED POWER AND CONTINUED THE DESCENT TO A HARD LANDING WITH NO TORQUE CONTROL.

Probable Cause and Findings

FAILURE OF THE PILOT TO MAINTAIN CLEARANCE FROM THE POWER LINE.

 

Source: NTSB Aviation Accident Database

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