NYC84FNC10

NTSB accident investigation · Bell 47G-3B1 · Lincoln, NH · September 30, 1984

Accident · Serious injuriesFinal report
Date
September 30, 1984, 13:03 local (17:03 UTC)
Place
Lincoln, NH
Injuries
3 serious
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N8588FBell 47G-3B1
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840930054909A
Case key
35420

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) - nonmechanicalCruise - normal
Fluid,fuel - exhaustionCause
Fuel consumption calculations - inaccuratePilot in commandCause
Refueling - not performedPilot in commandCause
ComplacencyPilot in commandFactor
Forced landingDescent - emergency
Autorotation - performedPilot in command
In flight collision with objectLanding - flare/touchdown
Object - tree(s)
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The acft was being used in a passenger sightseeing operation when shortly after takeoff the eng ceased to operate & the acft crashed into trees. Both passengers aboard the helicopter observed that the fuel gage indicated empty prior to the eng stopage. Exam of the wreckage at the accident site revealed less than 2 gallons of fuel in the fuel tanks.

Aircraft

Registration
N8588F
Reported as
Bell 47G-3B1
Category
Helicopter
Serial number
6528
Airframe hours
4,288
Engine
Lycoming TVO-435-B1A, 270 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial observation · Part 91
Operator
James H. Shippee
Registered owner
Green River Aviation, Inc.
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · September 1, 1984 · 384 hours before
Departed
Lincoln, NH
Destination
Lincoln, NH

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
44
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
1,527 total · 793 in this make and model · 1,452 as pilot in command · 110 in the last 90 days · 7 in the last 30 days · 30 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
180° at 5 knots, gusting 7
Visibility
20 statute miles
Lowest ceiling
5,000 ft overcast
Temperature
64 °F, dew point 48 °F

FAA reports on this event · 1

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