# N4957S: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 1
- Last cancelled: November 18, 2017
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4957S
- Page: https://openairdocs.org/aircraft/N4957S

## Aircraft that carried N4957S

- [Cancelled 2017-11-18](https://openairdocs.org/deregistered/N4957S-2017-11-18): Sikorsky HRS-1, S/N 127793, built 1951. Revoked, canceled. Owner: [W S Young Construction Co Inc](https://openairdocs.org/faa-owner/W%20S%20YOUNG%20CONSTRUCTION%20CO%20INC), [Ruston, LA](https://openairdocs.org/faa-place/LA/Ruston)

## NTSB investigations on N4957S (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 FTW67A0118](https://openairdocs.org/ntsb/FTW67A0118), Jun 12, 1967: Sikorsky HRS-1 (N4957S), Laplace, LA, substantial damage

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