NTSB Identification: FTW85LA262.
The docket is stored on NTSB microfiche number 28293.
Nonscheduled 14 CFR
Accident occurred Saturday, June 22, 1985 in SHIP SHOAL BLK
Aircraft: BELL 206L-1, registration: N1086Q
Injuries: 1 Minor,1 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

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.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

VISUAL LOOKOUT..INADEQUATE..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

JUDGMENT..POOR..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

CLEARANCE..NOT MAINTAINED..PILOT IN COMMAND


Contributing Factors

ROTOR DRIVE SYSTEM,ENGINE TO TRANSMISSION DRIVE..SEPARATION


Contributing Factors

ROTOR DRIVE SYSTEM,TAIL ROTOR DRIVE SHAFT BEARING..SEPARATION


Contributing Factors

TERRAIN CONDITION..HIGH OBSTRUCTION(S)


Contributing Factors

OBJECT..UTILITY POLE


Contributing Factors

WINDOW,CABIN..SEPARATION


Contributing Factors

FUSELAGE,CABIN..SEPARATION


Contributing Factors

LIGHT CONDITION..DAYLIGHT

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