# N51WS: 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 7, 2013
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=51WS
- Page: https://openairdocs.org/aircraft/N51WS

## Aircraft that carried N51WS

- [Cancelled 2013-06-07](https://openairdocs.org/deregistered/N51WS-2013-06-07): Sullivan William L MONERAI-S, S/N WLS-II, built 1981. Registration expired, pending cancellation. Owner: [Anderson Dennis W](https://openairdocs.org/faa-owner/ANDERSON%20DENNIS%20W), [Derby, KS](https://openairdocs.org/faa-place/KS/Derby)
- [Cancelled 1979-06-19](https://openairdocs.org/deregistered/N51WS-1979-06-19): Bert-Cassutt IIM, S/N WLS1. Exported to United Kingdom. Owner: [Sullivan William L](https://openairdocs.org/faa-owner/SULLIVAN%20WILLIAM%20L), [Henderson, KY](https://openairdocs.org/faa-place/KY/Henderson)

## NTSB investigations on N51WS (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 CHI74FEA47](https://openairdocs.org/ntsb/CHI74FEA47), Jun 28, 1974: Cassutt IIM (N51WS), Evansville, IN, substantial damage

## FAA accident and incident reports on N51WS (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 19740628022319A](https://openairdocs.org/incident/19740628022319A), Jun 28, 1974: Amtr 1970841 (N51WS), Evansville, IN, Destroyed. Con rod nr 1 cyl bkn at radius at crankshaft journal. Rod bear may have disintegrated or unseated.

---
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.