# N400SB: 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: February 13, 2018
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=400SB
- Page: https://openairdocs.org/aircraft/N400SB

## Aircraft that carried N400SB

- [Cancelled 2018-02-13](https://openairdocs.org/deregistered/N400SB-2018-02-13): Crower Bruce RV-4, S/N 1536. Registration expired, pending cancellation. Owner: [Crower Harry B](https://openairdocs.org/faa-owner/CROWER%20HARRY%20B), [Jamul, CA](https://openairdocs.org/faa-place/CA/Jamul)
- [Cancelled 1992-12-28](https://openairdocs.org/deregistered/N400SB-1992-12-28): Piper PA-24-400, S/N 26127. Triennial form not returned. Owner: [Harsen Gary L](https://openairdocs.org/faa-owner/HARSEN%20GARY%20L), [Saratoga, WY](https://openairdocs.org/faa-place/WY/Saratoga)

## NTSB investigations on N400SB (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 DEN84FA108](https://openairdocs.org/ntsb/DEN84FA108), Mar 8, 1984: Piper PA-24-400 (N400SB), Saratoga, WY, substantial damage, 1 fatal

## FAA accident and incident reports on N400SB (1)

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.

- [Accident 19840307007439A](https://openairdocs.org/incident/19840307007439A), Mar 7, 1984: Piper PA24400 (N400SB), Saratoga, WY, Substantial damage. Impacted a mountainside en route at night. Was off course on direct route that had lower terrain.

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