NTSB Identification: NYC88LA170.
The docket is stored on NTSB microfiche number 38065.
Accident occurred Saturday, June 25, 1988 in NEWBURYPORT, MA
Probable Cause Approval Date: 12/29/1989
Aircraft: BELL 47J2, registration: N51711
Injuries: 1 Serious,2 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 HELICOPTER DEPARTED RUNWAY 10 AT PLUM ISLAND AIRPORT, TURNED LEFT OVER THE PLUM ISLAND RIVER AND SHORTLY THEREAFTER THE ENGINE QUIT. THE PILOT STATED THAT NO WARNING WAS NOTED AND A CHECK OF THE INSTRUMENTS INDICATED NO PROBLEMS. HE FURTHER STATED THAT THE ENGINE MADE NO UNUSUAL NOISES. THE HELICOPTER WAS AUTOROTATED INTO WATER. THE OCCUPANTS WERE RESCUED BY A PRIVATE CITIZEN. EXAMINATION OF THE HELICOPTER AFTER THE ACCIDENT REVEALED NOTHING THAT WOULD HAVE CAUSED THE ENGINE TO FAIL. WITNESSES NOTED NO GASOLINE IN OR ON THE WATER. EXAMINATION OF THE ACFT LATER SHOWED ABOUT 1 GAL OF FUEL IN THE RT TANK AND AN UNDETERMINED AMOUNT OF FUEL AND SALT WATER IN THE LEFT TANK.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:FLUID,FUEL..EXHAUSTION
The National Transportation Safety Board determines the probable cause(s) of this accident to be:FUEL SUPPLY..MISJUDGED..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:AIRCRAFT PREFLIGHT..INADEQUATE..PILOT IN COMMAND
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