# N5540X: 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: August 23, 2012
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5540X
- Page: https://openairdocs.org/aircraft/N5540X

## Aircraft that carried N5540X

- [Cancelled 2012-08-23](https://openairdocs.org/deregistered/N5540X-2012-08-23): Aero Commander S2R, S/N 1740R, built 1973. Revoked, canceled. Owner: [Littlefield Spraying Service Inc](https://openairdocs.org/faa-owner/LITTLEFIELD%20SPRAYING%20SERVICE%20INC), [Littlefield, TX](https://openairdocs.org/faa-place/TX/Littlefield)

## NTSB investigations on N5540X (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 FTW74FQG09](https://openairdocs.org/ntsb/FTW74FQG09), Aug 14, 1973: Aero Comdr 600S2R (N5540X), Dimmitt, TX, substantial damage

## FAA accident and incident reports on N5540X (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 19730814030879A](https://openairdocs.org/incident/19730814030879A), Aug 14, 1973: Ayres S2R (N5540X), Dimmitt, TX, Substantial damage. Carb float needle valve seat loose 21/2 turns locking device worn permittng seat to loosen.

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