# N3521S: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 2
- Last cancelled: June 20, 2017
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3521S
- Page: https://openairdocs.org/aircraft/N3521S

## Aircraft that carried N3521S

- [Cancelled 2017-06-20](https://openairdocs.org/deregistered/N3521S-2017-06-20): Piper PA-31-350, S/N 31-7952107, built 1979. Exported to Canada. Owner: [Aero Industries Incorporated](https://openairdocs.org/faa-owner/AERO%20INDUSTRIES%20INCORPORATED), [Richmond, VA](https://openairdocs.org/faa-place/VA/Richmond)
- [Cancelled 1973-05-08](https://openairdocs.org/deregistered/N3521S-1973-05-08): Cessna 172E, S/N 17250721. Exported to Canada. Owner: [Donald L Bruns](https://openairdocs.org/faa-owner/DONALD%20L%20BRUNS), [Aberdeen, SD](https://openairdocs.org/faa-place/SD/Aberdeen)

## FAA accident and incident reports on N3521S (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.

- [Incident 19920519022339I](https://openairdocs.org/incident/19920519022339I), May 19, 1992: Piper PA31350 (N3521S), Roanoke, VA. Oil fluctuations in right engine. Precautionary landing at Roanoke. Found cracks in NR1 cylinder head.

---
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.