On June 25, 1988, a Bell 47J2 (registration N51711) operated by Plum Island Flying Service was involved in an aviation accident near Newburyport, MA. No fatalities were reported. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
A helicopter departing Plum Island Airport experienced an engine failure and autorotated into the Plum Island River. Occupants were rescued by a private citizen. Investigation found no mechanical cause.
Accident Overview
A helicopter departed Runway 10 at Plum Island Airport and turned left over the Plum Island River. Shortly after the turn, the engine quit without any prior warning. The pilot reported that no warning lights or alerts were noted, and a check of the instruments indicated no abnormalities. The engine also made no unusual noises before failing.
Emergency Response
The pilot performed an autorotation, landing the helicopter in the water. The occupants were rescued by a private citizen who was in the vicinity.
Post-Accident Examination
An examination of the helicopter after the accident revealed nothing that would have caused the engine to fail. Witnesses at the scene reported seeing no gasoline in or on the water. Further examination of the aircraft later showed approximately 1 gallon of fuel in the right fuel tank and an undetermined amount of fuel mixed with salt water in the left fuel tank.
Frequently asked questions
What happened in the 25 Jun 1988 Bell 47J2 accident near Newburyport, MA?
A helicopter departing Plum Island Airport experienced an engine failure and autorotated into the Plum Island River. Occupants were rescued by a private citizen. Investigation found no mechanical cause.
Were there any fatalities in the 25 Jun 1988 Bell 47J2 accident?
No fatalities were recorded in this accident.
What aircraft was involved and where did it happen?
The accident on 25 Jun 1988 involved a Bell 47J2, registration N51711, operated by Plum Island Flying Service, at Newburyport, MA.
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