# N9571D: 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: October 7, 1971
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9571D
- Page: https://openairdocs.org/aircraft/N9571D

## Aircraft that carried N9571D

- [Cancelled 1971-10-07](https://openairdocs.org/deregistered/N9571D-1971-10-07): Piper PA-18, S/N 18-6753, built 1958. Sale reported. Owner: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)

## NTSB investigations on N9571D (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 FTW72AF011](https://openairdocs.org/ntsb/FTW72AF011), Aug 21, 1971: Piper PA-18 (N9571D), Broken Bow, OK, destroyed, 2 fatal

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