# N4173X: 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 19, 1976
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4173X
- Page: https://openairdocs.org/aircraft/N4173X

## Aircraft that carried N4173X

- [Cancelled 1976-11-19](https://openairdocs.org/deregistered/N4173X-1976-11-19): Rockwell International S-2R, S/N 1942R, built 1974. Owner: [Pugh City Flying Service Inc](https://openairdocs.org/faa-owner/PUGH%20CITY%20FLYING%20SERVICE%20INC), [Swiftown, MS](https://openairdocs.org/faa-place/MS/Swiftown)

## NTSB investigations on N4173X (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 MIA77FKQ02](https://openairdocs.org/ntsb/MIA77FKQ02), Oct 4, 1976: Aero Comdr 600S2R (N4173X), Swiftown, MS, destroyed

## FAA accident and incident reports on N4173X (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 19761004031199A](https://openairdocs.org/incident/19761004031199A), Oct 4, 1976: Ayres S2B (N4173X), Swiftown, MS, Destroyed. Pwr rdcd when 100 ft alt reached not when cruising speed attained.

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