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ASN Wikibase Occurrence # 43741
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-402A
Owner/operator:Helm Flying Service Inc
Registration: N203DM
MSN: 402A-0869
Fatalities:Fatalities: 1 / Occupants: 1
Aircraft damage: Substantial
Location:Laurel, IA -   United States of America
Phase: En route
Departure airport:Marshalltown, IA (MIW)
Destination airport:
Investigating agency: NTSB
The pilot was last seen at the airport around 1230. He was scheduled to spray two bean fields and was to return to the same airport. When he had not returned by 1430 a ground and air search was initiated. The airplane was located by air about 3 hours later. There are no known witnesses to the accident. The airplane was found in an open grass area next to a dry riverbed located near one of the fields that was to be sprayed. The surrounding terrain sloped downward to the riverbed, then began to slope upward. The airplane impacted the terrain in a slight right-wing-low, nose-down attitude at a point where the terrain begins to slope upward. The airplane then cartwheeled prior to coming to rest. Examination of the wreckage failed to reveal any mechanical failure/malfunction which would have resulted in the accident.

Probable Cause: The pilot failed to maintain clearance with the upsloping terrain for undetermined reasons.




Revision history:

28-Oct-2008 00:45 ASN archive Added
21-Dec-2016 19:24 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
04-Dec-2017 18:47 ASN Update Bot Updated [Time, Operator, Other fatalities, Source, Narrative]

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