# N3166: 1967 Boeing 720-047B, registration cancelled 1971-03-31

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 31, 1971
- Status when cancelled: Valid registration
- Airframe: [Boeing 720-047B](https://openairdocs.org/model/boeing-720-047b) (registry code 1383857)
- Serial number: 19439
- Year built: 1967
- Type of aircraft: Fixed wing multi engine
- Certificate issued: September 7, 1967
- Mode S code: A36045
- 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/N3166
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3166
- Page: https://openairdocs.org/deregistered/N3166-1971-03-31

From the FAA registry file of October 29, 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 720-047B: https://openairdocs.org/model/boeing-720-047b.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 DCA71AZ009](https://openairdocs.org/ntsb/DCA71AZ009-79478), Mar 31, 1971: Boeing 720 (N3166), Ontario, CA, destroyed, 5 fatal

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