Aircraft Accident/Incident Report

Longview, Washington 98632
Friday, July 7, 1989 14:00 PDT

NTSB Narrative Summary Released at Completion of Accident

THIS HELIOCPTER HAD JUST DEPLETED THE FUEL IN AN EXTERNAL BURNING UNIT AND WAS RETURNING TO A STAGING AREA WHEN THE HELICOPTER ENGINE QUIT. THE PILOT STATED HE HAD TURNED OFF THE EXTERNAL UNIT JUST BEFORE THE ENGINE FAILURE. EXAMINATION OF THE HELICOPTER ENGINE AND FUEL SYSTEM REVEALED NO DISCREPANCIES. IT WAS OBSERVED THAT THE OPERATOR HAD LOCATED THE EXTERNAL UNIT CONTROL SWITCH ABOUT THREE INCHES ABOVE THE MAIN FUEL SHUTOFF SWITCH. AFTER THE ACCIDENT, THE EXTERNAL SWITCH WAS FOUND 'ON' AND THE MAIN FUEL SHUTOFF SWITCH WAS FOUND 'OFF'.

NTSB Probable Cause Narrative

THE PILOT INADVERTENTLY TURNING OFF THE ENGINE FUEL SUPPLY INSTEAD OF THE EXTERNAL LOAD FUEL SUPPLY. CONTRIBUTING TO THE ACCIDENT WAS THE PILOT'S FAILURE TO JETTISON THE EXTERNAL LOAD DURING THE AUTOROTATION.

Event Information

Type of Event Accident
Event Date 7/7/1989
Event Day of the Week Friday
Time of Event 1400
Event Time Zone Pacific Daylight Time
Event City LONGVIEW
Event State WASHINGTON
Event Country --
Zipcode of the event site 98632
Event Date Year 1989
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 0
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 15
Air Temperature at event time (in degrees celsius) 22
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 220
Variable Wind Indicator Unknown
Wind Speed (knots) 10
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 12
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 2387
NTSB Notification Source --
NTSB Notification Date Jul 7 1989 12:00AM
NTSB Notification Time 1630
Fiche Number and/or location -used to find docket information 43237
Date of most recent change to record Dec 13 2000 12:53PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N53W
NTSB Number SEA89LA128
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BELL
Aircraft Model 206B
Aircraft Series Identifier 206B
Aircraft Serial Number 945
Certified Max Gross Weight 3200
Aircraft Category Helicopter
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 5
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection May 18 1989 12:00AM
Airframe hours since last inspection 45
Airframe Hours 11731
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name WEYERHAEUSER COMPANY
Aircraft Owner Street Address CORPORATE AIRCRAFT
Aircraft Owner City TACOMA
Aircraft Owner State WA
Aircraft Owner Country
Aircraft Owner Zipcode 98477
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Other Work Use
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code
Departure City CHEHALIS
Departure State WA
Departure Country
Departure Time 1230
Departure Time Zone PDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --