# N4325S: 1974 Air Tractor AT-300, registration cancelled 1975-08-05

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 5, 1975
- Status when cancelled: Valid registration
- Airframe: [Air Tractor AT-300](https://openairdocs.org/model/air-tractor-at-300) (registry code 0390101)
- Data sheets: [TCDS A9SW](https://openairdocs.org/tcds/A9SW) (OpenAirDocs)
- Serial number: 300-0005
- Year built: 1974
- Type of aircraft: Fixed wing single engine
- Certificate issued: January 2, 1975
- Mode S code: A52DA4
- Owner when cancelled: [Ag Air Inc](https://openairdocs.org/faa-owner/AG%20AIR%20INC)
- Location: [Los Fresnos, TX](https://openairdocs.org/faa-place/TX/Los%20Fresnos)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N4325S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4325S
- Page: https://openairdocs.org/deregistered/N4325S-1975-08-05

From the FAA registry file of November 4, 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-300: https://openairdocs.org/model/air-tractor-at-300.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 FTW75FRG84](https://openairdocs.org/ntsb/FTW75FRG84), May 31, 1975: Air Tractor AT-301 (N4325S), Los Fresnos, TX, destroyed

## 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 19750531014369A](https://openairdocs.org/incident/19750531014369A), May 31, 1975: Airtrc AT300 (N4325S), Los Fresnos, TX, Destroyed. Hit comm twr guy wire.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.