Sutter Butte Duster Strip Airport
Aircraft Accident/Incident Report

Live Oak, California 95953
Wednesday, July 27, 1994 8:00 PDT

NTSB Narrative Summary Released at Completion of Accident

ON SHORT FINAL, THE PILOT EXPERIENCED A TOTAL LOSS OF ENGINE POWER. THE PILOT MADE A FORCED LANDING IN A FIELD 25 FEET SHORT OF THE RUNWAY. THE AIRPLANE COLLIDED WITH A BERM AND NOSED OVER. AN EXAMINATION WAS PERFORMED OF THE AIRPLANE'S MAINTENANCE HISTORY AND ENGINE. EVIDENCE WAS FOUND INDICATING THAT THE OPERATOR HAD PREVIOUSLY REQUESTED HIS CONTRACT MAINTENANCE TO RESOLVE EARLIER ENGINE POWER LOSS EVENTS. ON THE ACCIDENT FLIGHT, THE AIRPLANE HAD BEEN OPERATED FOR ABOUT 2.7 HOURS SINCE LAST RECEIVING MAINTENANCE. THE TEARDOWN EXAMINATION REVEALED THE ENGINE'S FUEL CONTROL UNIT LINKAGE HAD BEEN MANIPULATED SUCH THAT IT PRODUCED IDLE FLOW RATES OUTSIDE OF REQUIRED SETTINGS.

NTSB Probable Cause Narrative

the improper adjustment of the fuel control unit by contract maintenance personnel.

Event Information

Type of Event Accident
Event Date 7/27/1994
Event Day of the Week Wednesday
Time of Event 800
Event Time Zone Pacific Daylight Time
Event City LIVE OAK
Event State CALIFORNIA
Event Country --
Zipcode of the event site 95953
Event Date Year 1994
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport SUTTER BUTTE DUSTER STRIP
Event Location Nearest Airport ID NONE
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 1
Degrees magnetic from airport 180
Airport Elevation 64
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) 50
Air Temperature at event time (in degrees celsius) 21
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 180
Variable Wind Indicator Unknown
Wind Speed (knots) 1
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
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) 1637
NTSB Notification Source --
NTSB Notification Date Jul 27 1994 12:00AM
NTSB Notification Time 950
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 6 2000 11:44AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N3627Q
NTSB Number LAX94LA299
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 137: Agricultural
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name SCHWEIZER
Aircraft Model G-164B
Aircraft Series Identifier G-164B
Aircraft Serial Number 730B
Certified Max Gross Weight 5200
Aircraft Category Airplane
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 1
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Dec 14 1993 12:00AM
Airframe hours since last inspection 14
Airframe Hours 5305
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name SUTTER BUTTE DUSTERS, INC.
Aircraft Owner Street Address P.O. BOX 213
Aircraft Owner City LIVE OAK
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 95953
Operator is an individual? --
Operator Name SUTTER BUTTE DUSTERS, INC.
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address P.O. BOX 213
Operator City LIVE OAK
Operator State CA
Operator Country
Operator Zip code 95953
Operator Code NGTG
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Agriculture
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Unknown
Indicates Domestic or International Flight Unknown
Operator carrying Pax/Cargo/Mail Unknown
Type of Flying (Per_Bus / Primary) Aerial Application
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code NONE
Departure City
Departure State
Departure Country
Departure Time 730
Departure Time Zone PDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code NONE
Destination City
Destination State NO
Destination Country
Specific Phase of Flight Approach
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 36
Runway Length 2640
Runway Width 50
Sight Seeing flight No
Air Medical Flight No
Medical Flight --