# N6991Z: 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: April 2, 1990
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6991Z
- Page: https://openairdocs.org/aircraft/N6991Z

## Aircraft that carried N6991Z

- [Cancelled 1990-04-02](https://openairdocs.org/deregistered/N6991Z-1990-04-02): Piper PA-25-235, S/N 252741. N-number assigned, not yet registered

## NTSB investigations on N6991Z (2)

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 CHI81FER58](https://openairdocs.org/ntsb/CHI81FER58), Aug 12, 1981: Piper PA-25 (N6991Z), Blue Earth, MN, substantial damage
- [NTSB MKC70F0036](https://openairdocs.org/ntsb/MKC70F0036), Jun 13, 1969: Piper PA-25 (N6991Z), Halstad, MN, substantial damage

## FAA accident and incident reports on N6991Z (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 19810812052299A](https://openairdocs.org/incident/19810812052299A), Aug 12, 1981: Piper PA25235 (N6991Z), Blue Earth, MN, Substantial damage. Reported engine quit on spray run. No post-accident engine malfunctions found.

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