Buffalo Municipal Airport
Aircraft Accident/Incident Report

Buffalo, Minnesota 55313
Saturday, April 14, 2001 12:35 CDT

NTSB Narrative Summary Released at Completion of Accident

The airplane landed on a muddy agricultural field following a total loss of engine power during an initial climb through 300-500 feet agl. The pilot obtained 8 gallons of aviation fuel from a fixed base operator. Post accident inspection of the airplane's fuel system revealed the presence of water in the airplane's fuel lines and carburetor. The lineman who fueled the airplane reported that it was his second day on the job and he had not received training in the handling of fuel with respect to fuel contamination.

NTSB Probable Cause Narrative

the water contamination of the aircraft's fuel system and the inadequate preflight performed by the pilot. The muddy terrain was a contributing factor.

Event Information

Type of Event Accident
Event Date 4/14/2001
Event Day of the Week Saturday
Time of Event 1235
Event Time Zone Central Daylight Time
Event City Buffalo
Event State MINNESOTA
Event Country --
Zipcode of the event site 55313
Event Date Year 2001
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport Buffalo Municipal
Event Location Nearest Airport ID 8Y2
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 --
Airport Elevation 967
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1237 Central Daylight Time
Direction of event from weather observation facility (degrees) 305
Weather Observation Facility ID MGG
Elevation of weather observation facility 1028
Distance of event from weather observation facility (units?) 8
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 16
Dew Point at event time (in degress fahrenheit) 2
Wind Direction (degrees magnetic) 240
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 7
Wind Velocity Indicator --
Wind Gust Indicator Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29.93
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor 1
Injury Total None 2
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 11642
NTSB Notification Source FAA
NTSB Notification Date Apr 14 2001 12:00AM
NTSB Notification Time 1325
Fiche Number and/or location -used to find docket information DMS
Date of most recent change to record Feb 16 2005 1:38PM
User who most recently changed record NTSB\HAMG
Basic weather conditions Visual Meteorological Cond
FAA District Office Minneapolis FSDO

Aircraft Involved

Aircraft #1

Aircraft Registration Number N4261E
NTSB Number CHI01LA115
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Maule
Aircraft Model MX-7-180AC
Aircraft Series Identifier --
Aircraft Serial Number 33001C
Certified Max Gross Weight 2400
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 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection --
Date of Last Inspection --
Airframe hours since last inspection 100
Airframe Hours 100
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name David A Williams
Aircraft Owner Street Address 102 W Fifith St
Aircraft Owner City Chaska
Aircraft Owner State MN
Aircraft Owner Country USA
Aircraft Owner Zipcode 55318
Operator is an individual? No
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? --
Certified for Part 133 or 137 Operation --
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) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code 8Y2
Departure City Buffalo
Departure State MN
Departure Country USA
Departure Time 1235
Departure Time Zone UTC
Destination Same as Local Flt --
Destination Airport Code FCM
Destination City Minneapolis
Destination State MN
Destination Country USA
Specific Phase of Flight Climb
Report sent to ICAO? --
Evacuation occurred Yes
Date of most recent change to record Apr 30 2002 8:15AM
User who most recently changed record SULP
Since inspection or accident Last Inspection
Event Location Runway Number and Location 17
Runway Length 2600
Runway Width 60
Sight Seeing flight No
Air Medical Flight No
Medical Flight --