# N9031U: Boeing 737-222, registration cancelled 1974-05-28

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 28, 1974
- Status when cancelled: Valid registration
- Airframe: [Boeing 737-222](https://openairdocs.org/model/boeing-737-222) (registry code 1384473)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (OpenAirDocs)
- Serial number: 19069
- Type of aircraft: Fixed wing multi engine
- Certificate issued: October 8, 1969
- Mode S code: AC7CDF
- Owner when cancelled: [United Air Lines Inc](https://openairdocs.org/faa-owner/UNITED%20AIR%20LINES%20INC)
- Location: [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N9031U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9031U
- Page: https://openairdocs.org/deregistered/N9031U-1974-05-28

From the FAA registry file of November 7, 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 737-222: https://openairdocs.org/model/boeing-737-222.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 DCA73A0003](https://openairdocs.org/ntsb/DCA73A0003), Dec 8, 1972: Boeing 737 (N9031U), Chicago, IL, destroyed, 43 fatal

## Other aircraft with N9031U

- [Registered now](https://openairdocs.org/aircraft/N9031U): Cessna 182Q, S/N 18265445, built 1977

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