NTSB Identification: NYC84FA009.
The docket is stored on NTSB microfiche number 24595.
Accident occurred Tuesday, October 18, 1983 in HUDSON, NH
Aircraft: BELL 206B III, registration: N5011N
Injuries: 1 Fatal.

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 PLT WAS ON A FLT TO PICK UP FILM FOR A TV STATION. WHILE EN ROUTE, HE MADE A MAYDAY CALL TO THE MANCHESTER CONTROL TOWER. ACCORDING TO WITNESSES, THE ACFT WAS PROCEEDING IN A NORTHERLY DIRECTION AT ABOUT 700 TO 1000 FT AGL WHEN THEY HEARD A 'MUFFLED POP.' THE HELICOPTER THEN ENTERED A DESCENT & BANKED LEFT TOWARD AN OPEN AREA ADJACENT TO AN APARTMENT COMPLEX. SEVERAL WITNESSES STATED THEY OBSERVED THE MAIN ROTOR BLADES SLOWING DOWN DURING THE DESCENT. SUBSEQUENTLY, THE ACFT CRASH LANDED IN A CONFINED AREA, CAME TO REST APRX 120 FT FROM THE INITIAL IMPACT POINT & BURNED. NONE OF THE WITNESSES SAW SMOKE COMING FROM THE HELICOPTER BEFORE IT CRASHED. DISASSEMBLY TO THE ENG REVEALED THAT A 3RD STAGE TURBINE WHEEL BLADE HAD FAILED FROM FATIGUE.

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

TURBINE ASSEMBLY,TURBINE BLADE..FATIGUE



Contributing Factors

TERRAIN CONDITION..HIGH OBSTRUCTION(S)


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