# N203DM: 1992 Air Tractor AT-402A, registration cancelled 2007-08-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 23, 2007
- Status when cancelled: Triennial form not returned
- Airframe: [Air Tractor AT-402A](https://openairdocs.org/model/air-tractor-at-402a) (registry code 0390206)
- Engine: [Pratt & Whitney PT6A series](https://openairdocs.org/engine/pratt-whitney-pt6a-series) (registry code 52034)
- Data sheets: [TCDS A17SW](https://openairdocs.org/tcds/A17SW) (OpenAirDocs)
- Serial number: 402A-0869
- Year built: 1992
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: May 6, 1992
- Certificate issued: July 24, 1992
- Last registry action: July 17, 2007
- Mode S code: A19D7F
- Owner when cancelled: [Helm Flying Ser Inc](https://openairdocs.org/faa-owner/HELM%20FLYING%20SER%20INC)
- Location: [Harvey, ND](https://openairdocs.org/faa-place/ND/Harvey)
- Owner type: Corporation
- Owner's area on the map: 47.7676° N, 99.8767° W: Placed by OpenAirDocs at the center of ZIP code 58341, within about 12 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N203DM
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=203DM
- Page: https://openairdocs.org/deregistered/N203DM-2007-08-23

From the FAA registry file of October 28, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Air Tractor AT-402A: https://openairdocs.org/model/air-tractor-at-402a.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CHI07LA213](https://openairdocs.org/ntsb/CHI07LA213), Jul 16, 2007: Air Tractor AT-402A (N203DM), Laurel, IA, substantial damage, 1 fatal. Probable cause: The pilot failed to maintain clearance with the upsloping terrain for undetermined reasons.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20070716017129A](https://openairdocs.org/incident/20070716017129A), Jul 16, 2007: Airtrc AT402A (N203DM), Laurel, IA, Destroyed, 1 fatal. (-23) Agricultural aircraft was traveling between fields in cruise flight, then impacted the ground in a nose low attitude at a time when the aircraft was not…

## Other aircraft with N203DM

- [Registered now](https://openairdocs.org/aircraft/N203DM): Piper PA-23-250, S/N 27-3461, built 1966
- [Cancelled 1988-04-14](https://openairdocs.org/deregistered/N203DM-1988-04-14): Dehavilland DH 112 SEA VENOM, S/N J1758. N-number assigned, not yet registered

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