# N121SU: 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: March 23, 1992
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=121SU
- Page: https://openairdocs.org/aircraft/N121SU

## Aircraft that carried N121SU

- [Cancelled 1992-03-23](https://openairdocs.org/deregistered/N121SU-1992-03-23): Cessna 172N, S/N 17271347. Exported to Dominican Republic. Owner: [Hinterlach Roberta A](https://openairdocs.org/faa-owner/HINTERLACH%20ROBERTA%20A), [Melbourne Beach, FL](https://openairdocs.org/faa-place/FL/Melbourne%20Beach)

## NTSB investigations on N121SU (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 MIA86LA124](https://openairdocs.org/ntsb/MIA86LA124), Apr 18, 1986: Cessna 172N (N121SU), St. Augustine, FL, substantial damage

## FAA accident and incident reports on N121SU (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 19860418012869A](https://openairdocs.org/incident/19860418012869A), Apr 18, 1986: Cessna 172N (N121SU), St Augustine, FL, Substantial damage. Landed hard on the nose gear and damaged it and the lower firewall.

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