CHI84LA401

NTSB accident investigation · Bell 47G-3B1 · Miss.Pal.St.Pk, IL · September 23, 1984

Accident · No injuriesLimited investigationFinal report
Date
September 23, 1984, 15:00 local (20:00 UTC)
Place
Miss.Pal.St.Pk, IL
Injuries
3 uninjured
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N90543Bell 47G-3B1
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840923050569A
Case key
12784

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

On this page

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
Fluid,fuel - exhaustionCause
Aircraft preflight - not performedPilot in commandCause
Fuel supply - inadequatePilot in commandCause
Refueling - not performedPilot in commandCause
Forced landingDescent - emergency
Autorotation - performedPilot in command
In flight collision with objectLanding
Terrain condition - none suitable
Terrain condition - tree(s)

Analysis

The helicopter experienced a total loss of power aprx 2 minutes after takeoff. The plt performed an autorotation into trees as no suitable landing area was available. The 2 passengers on board stated the plt did not visually check the fuel quantity before takeoff. No fuel was found in the fuel tanks when examined by mechanics after the accident.

Aircraft

Registration
N90543
Reported as
Bell 47G-3B1
Category
Helicopter
Serial number
3451
Airframe hours
4,867
Engine
Lycoming TVO-435-B1A, 270 horsepower, reciprocating
Damage
Destroyed
Flight
Business · Part 91
Registered owner
Jay Brent
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · July 23, 1984 · 71 hours before
Departed
SFY · Savanna, IL

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
29
Certificates
Commercial, Flight instructor
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
833 total · 400 in this make and model · 533 as pilot in command · 100 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Visibility
10 statute miles
Lowest ceiling
None
Temperature
81 °F
Observed at
MLI

FAA reports on this event · 1

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