# N5540: 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: August 1, 1941
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5540
- Page: https://openairdocs.org/aircraft/N5540

## Aircraft that carried N5540

- [Cancelled 1941-08-01](https://openairdocs.org/deregistered/N5540-1941-08-01): Alexander EAGLEROCK A-1, S/N 510. Owner: [Carlton Paul J](https://openairdocs.org/faa-owner/CARLTON%20PAUL%20J), [Monroe, MI](https://openairdocs.org/faa-place/MI/Monroe)
- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N5540-undated): Lockheed 188C, S/N 188C1088. N-number assigned, not yet registered

## NTSB investigations on N5540 (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 MIA62A0003](https://openairdocs.org/ntsb/MIA62A0003), Jan 14, 1962: Lockheed 188 (N5540), Birmingham, AL, substantial damage

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.