# N400G: North American AT-6G, registration cancelled 1975-07-14

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 14, 1975
- Status when cancelled: Valid registration
- Airframe: [North American AT-6G](https://openairdocs.org/model/north-american-at-6g) (registry code 6400434)
- Serial number: 168-524
- Type of aircraft: Fixed wing single engine
- Certificate issued: November 7, 1964
- Mode S code: A4AD37
- Owner when cancelled: [Lorentzen Eric](https://openairdocs.org/faa-owner/LORENTZEN%20ERIC)
- Location: [Upper Montclair, NJ](https://openairdocs.org/faa-place/NJ/Upper%20Montclair)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N400G
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=400G
- Page: https://openairdocs.org/deregistered/N400G-1975-07-14

From the FAA registry file of November 3, 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 North American AT-6G: https://openairdocs.org/model/north-american-at-6g.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 UNK68X0148](https://openairdocs.org/ntsb/UNK68X0148), Jun 8, 1968: N.American AT-6G (N400G), Brantford, Canada, destroyed, 1 fatal

## Other aircraft with N400G

- [Registered now](https://openairdocs.org/aircraft/N400G): Gulfstream Aerospace GVII-G400, S/N 71001, built 2024
- [Cancelled 2015-04-30](https://openairdocs.org/deregistered/N400G-2015-04-30): Aero Commander 680T, S/N 1563-19, built 1966. Registration expired, pending cancellation. Owner: [Four Hundred Golf Corporation](https://openairdocs.org/faa-owner/FOUR%20HUNDRED%20GOLF%20CORPORATION), [Denver, CO](https://openairdocs.org/faa-place/CO/Denver)

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