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ASN Wikibase Occurrence # 157700
Last updated: 2 December 2021
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Type:Silhouette image of generic AT3T model; specific model in this crash may look slightly different
Air Tractor AT-400
Owner/operator:Timothy Malsberg
Registration: N155HF
MSN: 400-0488
Fatalities:Fatalities: 0 / Occupants: 1
Other fatalities:0
Aircraft damage: Substantial
Location:Steward Road at Interstate 39, Sterling, Il -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Departure airport:Dixon, IL (C73)
Destination airport:Dixon, IL (C73)
Investigating agency: NTSB
The pilot reported that he circled the field to check for obstacles before beginning to apply the agricultural product, but did not see any obstructions. He made the first aerial application pass without incident; however, during the second pass, the airplane hit guy wires "head on." The guy wires extended farther into the field than the pilot was accustomed to and can be difficult to see. The airplane impacted the cornfield, and the two adjacent towers were toppled by the impact with the guy wires. The pilot reported that there was no preaccident malfunction or system failure of the airplane that would have precluded normal operation.
Probable Cause: The pilot's failure to maintain clearance from the guy wires during an aerial application maneuver. Contributing to the accident was the pilot's failure to identify potential obstructions in the area before beginning low-altitude maneuvers.



Accident investigation:
Investigating agency: NTSB
Status: Investigation completed
Download report: Final report

Revision history:

21-Jul-2013 02:29 Geno Added
29-Nov-2017 11:58 ASN Update Bot Updated [Time, Cn, Operator, Other fatalities, Departure airport, Destination airport, Source, Damage, Narrative]
29-Nov-2017 12:08 harro Updated [Aircraft type, Other fatalities]

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