NTSB Identification: NYC82FA083
14 CFR Part 91: General Aviation
Accident occurred Thursday, April 29, 1982 in NEW YORK CITY, NY
Probable Cause Approval Date: 04/29/1983
Aircraft: BELL 206L, registration: N16959
Injuries: 6 Uninjured.

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.

THE FLT DEPARTED THE 34TH STREET HELIPORT ON A LOCAL SIGHTSEEING FLT TO THE STATUE OF LIBERTY & RETURN. AS THE FLT CROSSED LOWER MANHATTAN, ABOUT 1/4 MI FROM THE EAST RIVER, THE PLT HEARD THE LOW RPM AUDIO SIGNAL. HE LOWERED THE COLLECTIVE & ROTOR RPM RETURNED TO THE GREEN. WHILE TURNING TO THE EAST RIVER THE GENERATOR-OUT & ENG-OUT LIGHTS' ILLUMINATED. THE FLOATS WERE INFLATED & THE HELICOPTER CONTACTED THE WATER IN A LEVEL ATTITUDE. THE NOSE THEN CONTACTED THE WATER & THE CHIN BUBBLE BROKE. WATER ENTERED THE HELICOPTER & IT ROLLED RIGHT TO AN INVERTED POSITION. INVESTIGATIONDISCLOSED THAT THE FILTER LINE BETWEEN THE COMPRESSOR SCROLL & THE POWER CONTROL UNIT HAD BROKEN AT THE FILTER END. A VISUAL EXAMINATION OF THE FAILED PC LINE & THE B-NUT FITTING DISCLOSED THAT THE FRACTURE OCCURRED AT THE OUTBOARDEND OF THE FERRUL.

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

FUEL SYSTEM,FUEL CONTROL..FAILURE,PARTIAL



Contributing Factors

WINDOW,FLIGHT COMPARTMENT WINDOW/WINDSHIELD..FAILURE,PARTIAL


Contributing Factors

TERRAIN CONDITION..WATER,ROUGH

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