# N7637: National Airways System AIR KING, registration cancelled 1939-03-10

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 10, 1939
- Status when cancelled: Valid registration
- Airframe: [National Airways System AIR KING](https://openairdocs.org/model/national-airways-system-air-king) (registry code 056306T)
- Serial number: 171
- Type of aircraft: Fixed wing single engine
- Mode S code: AA4FFA
- Owner when cancelled: [Oscar Lloyd & Art](https://openairdocs.org/faa-owner/OSCAR%20LLOYD%20%26%20ART)
- Location: [Madison, WI](https://openairdocs.org/faa-place/WI/Madison)
- Owner type: Partnership
- The mark today: https://openairdocs.org/aircraft/N7637
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7637
- Page: https://openairdocs.org/deregistered/N7637-1939-03-10

From the FAA registry file of November 4, 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 National Airways System AIR KING: https://openairdocs.org/model/national-airways-system-air-king.md

## Other aircraft with N7637

- [Cancelled 1980-09-12](https://openairdocs.org/deregistered/N7637-1980-09-12): ST Denis TEENIE TWO, S/N 5-10080. Owner: [St Denis Robert G](https://openairdocs.org/faa-owner/ST%20DENIS%20ROBERT%20G), [Livermore, CA](https://openairdocs.org/faa-place/CA/Livermore)

---
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.