# N4527W: 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: June 4, 1975
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4527W
- Page: https://openairdocs.org/aircraft/N4527W

## Aircraft that carried N4527W

- [Cancelled 1975-06-04](https://openairdocs.org/deregistered/N4527W-1975-06-04): Boeing 737-247, S/N 20131, built 1969. Owner: [Western Air Lines Inc](https://openairdocs.org/faa-owner/WESTERN%20AIR%20LINES%20INC), [Los Angeles, CA](https://openairdocs.org/faa-place/CA/Los%20Angeles)

## NTSB investigations on N4527W (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 DEN75AD050](https://openairdocs.org/ntsb/DEN75AD050), Mar 31, 1975: Boeing 737 (N4527W), Casper, WY, substantial damage

---
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.