# N4544S: Air Tractor AT-402A, registration cancelled 2018-01-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 4, 2018
- Status when cancelled: Registration expired, pending cancellation
- 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-0782
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: October 26, 1990
- Certificate issued: May 24, 2007
- Last registry action: September 10, 2011
- Mode S code: A583ED
- Owner when cancelled: [Coastal Flying Services Inc](https://openairdocs.org/faa-owner/COASTAL%20FLYING%20SERVICES%20INC)
- Location: [Ganado, TX](https://openairdocs.org/faa-place/TX/Ganado)
- Owner type: Corporation
- Owner's area on the map: 29.0308° N, 96.5034° W: Placed by OpenAirDocs at the center of ZIP code 77962, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4544S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4544S
- Page: https://openairdocs.org/deregistered/N4544S-2018-01-04

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-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 CEN12CA221](https://openairdocs.org/ntsb/CEN12CA221), Apr 2, 2012: Air Tractor AT-402A (N4544S), Ganado, TX, substantial damage. Probable cause: The improper positioning of the hopper vent, which allowed chemicals to escape and cover the airplane's windshield.

## 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 20120402004609A](https://openairdocs.org/incident/20120402004609A), Apr 2, 2012: Air Tractor Inc AT-402A (N4544S), Ganado, TX, Substantial damage. On 04/02/2012, at approximately 09:00 (CDT) an Air tractor, N4544S, model 402A, s/n 402A-0782 was sebstantially damaged when the aircraft crashed into a field,…

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