NTSB Identification: NYC88LA204.
The docket is stored on NTSB microfiche number 36446.
Accident occurred Sunday, August 07, 1988 in TETERBORO, NJ
Probable Cause Approval Date: 06/09/1989
Aircraft: SIKORSKY S-76A, registration: N69WW
Injuries: 4 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 S-76 HELICOPTER WAS TAXIING ON ITS COMPANY RAMP WHEN THE COPILOT TAXIED ONTO A GRASS AREA. DURING A LEFT TURN THE RIGHT MAIN WHEEL STUCK IN A SOFT SPOT AND THE HELICOPTER ROLLED OVER ON ITS RIGHT SIDE RECEIVING SUBSTANTIAL DAMAGE. THE GROUND MANEUVER THAT PRECEDED THE ROLLOVER MET SEVERAL OF THE CRITERIA DESCRIBED IN THE FAA ADVISORY CIRCULAR FOR HELICOPTER DYNAMIC ROLLOVER.

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

AIRCRAFT HANDLING..INADEQUATE..COPILOT/SECOND PILOT

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

SUPERVISION..INADEQUATE..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..SOFT



Contributing Factors

UNSUITABLE TERRAIN OR TAKEOFF/LANDING/TAXI AREA..NOT IDENTIFIED..COPILOT/SECOND PILOT

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