# N726US: Boeing 720-051B, registration cancelled 1972-03-08

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 8, 1972
- Exported to: Greece
- Status when cancelled: Valid registration
- Airframe: [Boeing 720-051B](https://openairdocs.org/model/boeing-720-051b) (registry code 1383861)
- Serial number: 18356
- Type of aircraft: Fixed wing multi engine
- Certificate issued: October 16, 1961
- Mode S code: A9BBA9
- Owner when cancelled: [Northwest Airlines Inc](https://openairdocs.org/faa-owner/NORTHWEST%20AIRLINES%20INC)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N726US
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=726US
- Page: https://openairdocs.org/deregistered/N726US-1972-03-08

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 720-051B: https://openairdocs.org/model/boeing-720-051b.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 UNK64X0682](https://openairdocs.org/ntsb/UNK64X0682), Feb 24, 1964: Boeing B-720B (N726US), Miam, FL, substantial damage

## Other aircraft with N726US

- [Registered now](https://openairdocs.org/aircraft/N726US): Boeing 727-223, S/N 22469, built 1981
- [Cancelled 2005-05-18](https://openairdocs.org/deregistered/N726US-2005-05-18): Airbus Industrie A319-112, S/N 1136, built 1999. Exported to Germany. Owner: [Afs Investments 59 LLC](https://openairdocs.org/faa-owner/AFS%20INVESTMENTS%2059%20LLC), [Stamford, CT](https://openairdocs.org/faa-place/CT/Stamford)
- [Cancelled 1991-06-12](https://openairdocs.org/deregistered/N726US-1991-06-12): Fairchild F-27A, S/N 106. Triennial form not returned. Owner: [US Aircraft Sales Inc](https://openairdocs.org/faa-owner/US%20AIRCRAFT%20SALES%20INC), [Mclean, VA](https://openairdocs.org/faa-place/VA/Mclean)

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