N1086Q
BELL 206L-1
THE PILOT HAD LANDED ON THE OFFSHORE PLATFORM AND WAS IN THE PROCESS OF REPOSITIONING THE HELICOPTER TO ONE SIDE OF THE LANDING PAD TO PROVIDE ADDITIONAL SPACE FOR ANOTHER AIRCRAFT WHEN THE MAIN ROTOR BLADES STRUCK A 3' STEEL SIGN POST. THEBLADE SEPARATED INTO THREE PIECES. THIS CAUSED A SEVERE OUT-OF-BALANCE CONDITION OF THE MAIN ROTOR SYSTEM AND RESULTED IN THE TRANSMISSION BEING PULLED OUT OF THE AIRFRAME AND THE UPPER PORTION OF THE CABIN AND THE TAIL BOOM SEPARATION FROM THE AIRCRAFT.
Source: NTSB Aviation Accident Database
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