NTSB Identification: ATL85FA272.
The docket is stored on NTSB microfiche number 28620.
Accident occurred Monday, September 09, 1985 in AIKEN, SC
Aircraft: MBB BK-117A-1, registration: N117SR
Injuries: 1 Serious,6 Minor.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

PLT WAS MANEUVERING HELICOPTER AT LOW ALT AND INTO RISING TERRAIN. ON 3RD RIGHT TURN RACETRACK PATTERN, WITNESSES OBSERVED ACFT DESCEND SLIGHTLY, ROLL INTO A 45 DEG OR GREATER BANK AND CONTACT TREES. THE ACFT STARTED A YAWING ROTATION TO THE RIGHT AND CONTACTED THE GROUND AT ABOUT A 35 DEG ANGLE OF DESCENT WHILE TRAVELING BACKWARD. ALL SEVEN OCCUPANTS SUCCESSFULLY EXITED THE ACFT THROUGH THE RIGHT DOORS. THIS WAS A SINGLE PLT OPERATION AND THE TASK LOAD AND MISSION PRESSURES WERE HIGH.

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

ALTITUDE..MISJUDGED..PILOT IN COMMAND

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

MANEUVER..EXCESSIVE..PILOT IN COMMAND



Contributing Factors

INSUFFICIENT STANDARDS/REQUIREMENTS..COMPANY/OPERATOR MGMT


Contributing Factors

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND


Contributing Factors

EXCESSIVE WORKLOAD (TASK OVERLOAD)..PILOT IN COMMAND


Contributing Factors

COMPANY-INDUCED PRESSURE..COMPANY/OPERATOR MANAGEMENT


Contributing Factors

OVERCONFIDENCE IN AIRCRAFT'S ABILITY..PILOT IN COMMAND

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