# N4527W: 1969 Boeing 737-247, registration cancelled 1975-06-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 4, 1975
- Status when cancelled: Valid registration
- Airframe: [Boeing 737-247](https://openairdocs.org/model/boeing-737-247) (registry code 138448D)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (OpenAirDocs)
- Serial number: 20131
- Year built: 1969
- Type of aircraft: Fixed wing multi engine
- Certificate issued: August 13, 1969
- Mode S code: A57CEC
- Owner when cancelled: [Western Air Lines Inc](https://openairdocs.org/faa-owner/WESTERN%20AIR%20LINES%20INC)
- Location: [Los Angeles, CA](https://openairdocs.org/faa-place/CA/Los%20Angeles)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N4527W
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4527W
- Page: https://openairdocs.org/deregistered/N4527W-1975-06-04

From the FAA registry file of November 3, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Boeing 737-247: https://openairdocs.org/model/boeing-737-247.md

## NTSB investigations (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

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