# N4SX: Lockheed 1329, registration cancelled

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: date not recorded
- Status when cancelled: N-number assigned, not yet registered
- Airframe: [Lockheed 1329](https://openairdocs.org/model/lockheed-1329) (registry code 5263102)
- Serial number: 5081
- Type of aircraft: Fixed wing multi engine
- Mode S code: A4A995
- The mark today: https://openairdocs.org/aircraft/N4SX
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4SX
- Page: https://openairdocs.org/deregistered/N4SX-undated

From the FAA registry file of October 27, 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 Lockheed 1329: https://openairdocs.org/model/lockheed-1329.md

## Other aircraft with N4SX

- [Registered now](https://openairdocs.org/aircraft/N4SX): Scherr Allan L LANCAIR IV, S/N LIV-116, built 1999

---
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.