# N56ST: 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: February 12, 2013
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=56ST
- Page: https://openairdocs.org/aircraft/N56ST

## Aircraft that carried N56ST

- [Cancelled 2013-02-12](https://openairdocs.org/deregistered/N56ST-2013-02-12): Orloff PITTS SPECIAL S-1C, S/N S-1C, built 1975. Second triennial form not returned. Owner: [Lewis University](https://openairdocs.org/faa-owner/LEWIS%20UNIVERSITY), [Romeoville, IL](https://openairdocs.org/faa-place/IL/Romeoville)

## NTSB investigations on N56ST (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 CHI81DEE52](https://openairdocs.org/ntsb/CHI81DEE52), Sep 6, 1981: Pitts S1C (N56ST), Lockport, IL, substantial damage

## FAA accident and incident reports on N56ST (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 19810906055839A](https://openairdocs.org/incident/19810906055839A), Sep 6, 1981: Amtrpt PITTSSPECS1C (N56ST), Lockport, IL, Substantial damage. Pilot lost directinal control on soft, sod runway. Veered off runway into soybeans and flipped over.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.