NYC84FA009

NTSB accident investigation · Bell 206B III · Hudson, NH · October 18, 1983

Accident · FatalField investigationFinal report
Date
October 18, 1983, 09:44 local (13:44 UTC)
Place
Hudson, NH
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N5011NBell 206B III
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19831018054779A
Case key
35289

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of engine power(total) - mech failure/malfCruise - normal
Turbine assembly,turbine blade - fatigueCause
Forced landingLanding
Autorotation - performedPilot in command
Hard landingLanding - flare/touchdown
Terrain condition - high obstruction(s)Factor
Maneuver - performedPilot in command
Rotor rpm - not maintainedPilot in command

Analysis

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.

Aircraft

Registration
N5011N
Reported as
Bell 206B III
Category
Helicopter
Serial number
2590
Airframe hours
1,672
Engine
Allison 250-C20B, 420 horsepower, turbo shaft
Damage
Destroyed
Fire
On-Ground
Flight
Other work use · Part 91
Operator
E.W. Wiggins Airways, Inc.
Registered owner
Piper East , Inc
Airworthiness certificate
Standard, Normal
Last inspection
Annual · September 9, 1983 · 88 hours before
Departed
OWD · Norwood, MA
Destination
MHT · Manchester, NH

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
31
Certificates
Military, Commercial, Flight instructor
Airplane ratings
Single-engine land
Instrument ratings
Helicopter
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Right
Toxicology
Performed
Flight hours
2,646 total · 1,255 in this make and model · 2,397 as pilot in command · 144 in the last 90 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
12 statute miles
Temperature
54 °F, dew point -0 °F
Altimeter
30.00 inHg
Observed at
MHT, 10 nm away

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.