# N4553K: 1991 Air Tractor AT-401, registration cancelled 2016-03-11

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 11, 2016
- Exported to: Canada
- Status when cancelled: Valid registration
- Airframe: [Air Tractor AT-401](https://openairdocs.org/model/air-tractor-at-401) (registry code 0390204)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Data sheets: [TCDS A17SW](https://openairdocs.org/tcds/A17SW) (OpenAirDocs)
- Serial number: 401-0809
- Year built: 1991
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: March 21, 1991
- Certificate issued: April 1, 1992
- Last registry action: March 3, 2014
- Mode S code: A5877A
- Owner when cancelled: [Willmes Leasing Inc](https://openairdocs.org/faa-owner/WILLMES%20LEASING%20INC)
- Location: [Roseland, NE](https://openairdocs.org/faa-place/NE/Roseland)
- Owner type: Corporation
- Owner's area on the map: 40.4445° N, 98.5629° W: Placed by OpenAirDocs at the center of ZIP code 68973, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4553K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4553K
- Page: https://openairdocs.org/deregistered/N4553K-2016-03-11

From the FAA registry file of October 29, 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-401: https://openairdocs.org/model/air-tractor-at-401.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 CHI01IA246](https://openairdocs.org/ntsb/CHI01IA246), Jul 27, 2001: Air Tractor AT-401 (N4553K), Kenesaw, NE, incident, minor damage. Probable cause: The propeller blade fatigue leading to its tip separating during an aerial application. Factors were no suitable terrain for an emergency landing, high vegetation, and soft terrain encountered during…

## Other aircraft with N4553K

- [Cancelled 1951-10-01](https://openairdocs.org/deregistered/N4553K-1951-10-01): Ryan NAVION, S/N NAV-4-1553. Owner: [Broome L C](https://openairdocs.org/faa-owner/BROOME%20L%20C), [Guntersville, AL](https://openairdocs.org/faa-place/AL/Guntersville)
- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N4553K-undated): Cessna P210N, S/N P21000215. N-number assigned, not yet registered

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