# N491SH: 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: January 10, 2008
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=491SH
- Page: https://openairdocs.org/aircraft/N491SH

## Aircraft that carried N491SH

- [Cancelled 2008-01-10](https://openairdocs.org/deregistered/N491SH-2008-01-10): Mcdonnell Douglas DC-9-82(MD-82), S/N 49150. Triennial form not returned. Owner: [Allegiant Air LLC](https://openairdocs.org/faa-owner/ALLEGIANT%20AIR%20LLC), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas)

## NTSB investigations on N491SH (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 ENG01RA003](https://openairdocs.org/ntsb/ENG01RA003), Jun 25, 2001: McDonnell Douglas MD-82 (N491SH), Guadalajara, Mexico, incident

---
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.