# N4538K: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 2
- Last cancelled: October 5, 1994
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4538K
- Page: https://openairdocs.org/aircraft/N4538K

## Aircraft that carried N4538K

- [Cancelled 1994-10-05](https://openairdocs.org/deregistered/N4538K-1994-10-05): Air Tractor AT-401, S/N 4010770. Triennial form not returned. Owner: [Frontier Agricultural Service Inc](https://openairdocs.org/faa-owner/FRONTIER%20AGRICULTURAL%20SERVICE%20INC), [Calexico, CA](https://openairdocs.org/faa-place/CA/Calexico)
- [Cancelled 1989-07-31](https://openairdocs.org/deregistered/N4538K-1989-07-31): Cessna P210N, S/N P21000211. N-number assigned, not yet registered

## NTSB investigations on N4538K (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 LAX91LA302](https://openairdocs.org/ntsb/LAX91LA302), Jul 10, 1991: Air Tractor AT-401 (N4538K), Calexico, CA, destroyed. Probable cause: THE ERECTION OF A CONSTRUCTION SIGN ON AN ACTIVE RUNWAY BY COUNTY WORKERS WITHOUT NOTIFYING THE AIRPORT OPERATORS, AND, THE INABILITY OF THE PILOT TO DETECT THE PRESENCE OF THE SIGN DURING THE DARK…

## FAA accident and incident reports on N4538K (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 19910709026639A](https://openairdocs.org/incident/19910709026639A), Jul 9, 1991: Airtrc AT401 (N4538K), Imperial, CA, Destroyed. Unknown to pilot barrier sign on runway prior night takeoff. Hit sign went around and struck hay bales on landing.

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