# N503KN: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 1
- Last cancelled: March 21, 2017
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=503KN
- Page: https://openairdocs.org/aircraft/N503KN

## Aircraft that carried N503KN

- [Cancelled 2017-03-21](https://openairdocs.org/deregistered/N503KN-2017-03-21): Quicksilver/Niswonger K MXL II, S/N 000482, built 1994. First renewal notice. Owner: [Martin Thomas F](https://openairdocs.org/faa-owner/MARTIN%20THOMAS%20F), [Laredo, TX](https://openairdocs.org/faa-place/TX/Laredo)

---
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.