# N400M: Lockheed 1329, registration cancelled 1973-01-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 18, 1973
- Status when cancelled: Valid registration
- Airframe: [Lockheed 1329](https://openairdocs.org/model/lockheed-1329) (registry code 5263102)
- Serial number: 5008
- Type of aircraft: Fixed wing multi engine
- Certificate issued: March 31, 1966
- Mode S code: A4ADB4
- Owner when cancelled: [Fluor Corp](https://openairdocs.org/faa-owner/FLUOR%20CORP)
- Location: [Los Angeles, CA](https://openairdocs.org/faa-place/CA/Los%20Angeles)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N400M
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=400M
- Page: https://openairdocs.org/deregistered/N400M-1973-01-18

From the FAA registry file of October 29, 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

## 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 NYC73AN090](https://openairdocs.org/ntsb/NYC73AN090), Dec 27, 1972: Lockheed L1329 (N400M), Saranac Lake, NY, destroyed, 3 fatal

## Other aircraft with N400M

- [Cancelled 2018-03-02](https://openairdocs.org/deregistered/N400M-2018-03-02): Grumman G-1159, S/N 132, built 1973. Registration expired, pending cancellation. Owner: [Bmg Group Inc](https://openairdocs.org/faa-owner/BMG%20GROUP%20INC), [Cheyenne, WY](https://openairdocs.org/faa-place/WY/Cheyenne)
- [Cancelled 1931-08-21](https://openairdocs.org/deregistered/N400M-1931-08-21): Stinson SM-2AA, S/N 1126. Owner: [Boeing School Of Aeronautics](https://openairdocs.org/faa-owner/BOEING%20SCHOOL%20OF%20AERONAUTICS), [Oakland, CA](https://openairdocs.org/faa-place/CA/Oakland)

---
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.