Accident Maule MX-7-180AC N4261E, Saturday 14 April 2001
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Date:Saturday 14 April 2001
Time:12:35 LT
Type:Silhouette image of generic M7 model; specific model in this crash may look slightly different    
Maule MX-7-180AC
Owner/operator:David A Williams
Registration: N4261E
MSN: 33001C
Year of manufacture:2000
Total airframe hrs:100 hours
Engine model:Lycoming O-360-C4F
Fatalities:Fatalities: 0 / Occupants: 3
Other fatalities:0
Aircraft damage: Substantial
Location:Buffalo, MN -   United States of America
Phase: En route
Departure airport:Buffalo, MN (8Y2)
Destination airport:Minneapolis-Flying Cloud Airport, MN (FCM/KFCM)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
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.

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

Accident investigation:
Investigating agency: NTSB
Report number: CHI01LA115
Status: Investigation completed
Duration: 1 year 1 month
Download report: Final report




Revision history:

05-Apr-2024 10:28 ASN Update Bot Added

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