# N400: 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: July 14, 1942
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=400
- Page: https://openairdocs.org/aircraft/N400

## Aircraft that carried N400

- [Cancelled 1942-07-14](https://openairdocs.org/deregistered/N400-1942-07-14): Beech D17R, S/N D17R-166, built 1937. Owner: [War Department](https://openairdocs.org/faa-owner/WAR%20DEPARTMENT), [Washington, DC](https://openairdocs.org/faa-place/DC/Washington)
- [Cancelled 1933-01-07](https://openairdocs.org/deregistered/N400-1933-01-07): Thomas Morse S4C, S/N 4488. Owner: [Quilling L J](https://openairdocs.org/faa-owner/QUILLING%20L%20J), [Enid, OK](https://openairdocs.org/faa-place/OK/Enid)

## FAA accident and incident reports on N400 (4)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 19820304010129I](https://openairdocs.org/incident/19820304010129I), Mar 4, 1982: Lear 25B (N400), Indianapolis, IN, Minor damage. Airplane skidded on landing. All tires blew out. Ground-looped. Ice and snow from slushy takeoff locked wheels.
- [Incident 19800317034079I](https://openairdocs.org/incident/19800317034079I), Mar 17, 1980: Lear 25B (N400), Hampton, NY. On a training flight while practicing aproach to landing stalls, aircraft stalled, stick pusher did not actuate.
- [Incident 19790716019129I](https://openairdocs.org/incident/19790716019129I), Jul 16, 1979: Beech V35B (N400), Garden City, ID, Minor damage. Landed gear up. Safe gear lights inoperative.
- [Incident 19790629017669I](https://openairdocs.org/incident/19790629017669I), Jun 29, 1979: Lear 25 (N400), Rochester, NY. Engine quit in cruise. Found failed fuel pump.

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