SEA90LA060

NTSB accident investigation · Bell 47G-3B-2 · Hillsboro, OR · April 2, 1990

Accident · Serious injuriesLimited investigationFinal report
Date
April 2, 1990, 08:30 local (15:30 UTC)
Place
Hillsboro, OR
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N9449JBell 47G-3B-2
Weather
Visual (VMC) · Day
Status
Completed · report February 12, 1993
Report
Approved by Office Director
FAA report
19900402011859A
Case key
41182

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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Probable cause

The pilot's failure to refuel resulting in fuel exhaustion.

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) - nonmechanicalManeuvering - aerial application
Fluid,fuel - exhaustionCause
Refueling - not performedPilot in commandCause
Hard landingDescent - emergency
Terrain condition - rough/unevenFactor

Analysis

During an aerial application flight, the pilot reported that during a turn, the engine suddenly quit. The helicopter landed hard on the rough terrain. Post crash inspection revealed that the helicopter contained less than the unusable amount of fuel. There were no reported mechanical failures or malfunctions.

Aircraft

Registration
N9449J
Reported as
Bell 47G-3B-2
Category
Helicopter
Serial number
6719
Airframe hours
7,063
Engine
Allison 250-C20, 400 horsepower, turbo shaft
Damage
Substantial damage
Flight
Aerial application · Part 137
Operator
Western Helicopter Service
Registered owner
Western Heicopter Services
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · February 9, 1990 · 43 hours before
Departed
Banks, OR

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
57
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
9,369 total · 3,000 in this make and model · 9,369 as pilot in command · 39 in the last 90 days · 39 in the last 30 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
15 statute miles
Temperature
54 °F

FAA reports on this event · 1

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