# N4556S: 1991 Air Tractor AT-502, 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-502](https://openairdocs.org/model/air-tractor-at-502) (registry code 0390303)
- Engine: [Pratt & Whitney PT6A series](https://openairdocs.org/engine/pratt-whitney-pt6a-series) (registry code 52032)
- Data sheets: [TCDS A17SW](https://openairdocs.org/tcds/A17SW) (OpenAirDocs)
- Serial number: 502-0137
- Year built: 1991
- Type of aircraft: Fixed wing single engine
- Engine type: Turbo-prop
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: May 7, 1991
- Certificate issued: June 5, 2007
- Last registry action: November 10, 2011
- Mode S code: A587EA
- Owner when cancelled: [Thiel Air Care Inc](https://openairdocs.org/faa-owner/THIEL%20AIR%20CARE%20INC)
- Location: [Chowchilla, CA](https://openairdocs.org/faa-place/CA/Chowchilla)
- Owner type: Corporation
- Owner's area on the map: 37.0873° N, 120.2889° W: Placed by OpenAirDocs at the center of ZIP code 93610, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4556S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4556S
- Page: https://openairdocs.org/deregistered/N4556S-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-502: https://openairdocs.org/model/air-tractor-at-502.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 WPR12LA433](https://openairdocs.org/ntsb/WPR12LA433), Sep 22, 2012: Air Tractor AT-502 (N4556S), Firebaugh, CA, substantial damage. Probable cause: The pilot’s decision to continue the takeoff after the engine stopped producing its full-rated torque while operating in high-density altitude conditions and his subsequent failure to maintain…

## FAA accident and incident reports (2)

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 20120922021699A](https://openairdocs.org/incident/20120922021699A), Sep 22, 2012: Air Tractor Inc AT-502 (N4556S), Firebaugh, CA, Substantial damage. At aproximately 5:10 pm the pilot was departing a private agriculteral airstrip for the first spraying application for the day. The aircraft was full of fuel…
- [Incident 20030309002789I](https://openairdocs.org/incident/20030309002789I), Mar 9, 2003: Airtrc AT502 (N4556S), Firebaugh, CA, Substantial damage. (-23) After a hurried preflight, during which an accurate determination of onboard fuel quantity was not accomplished, the aircraft was operated for…

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