# N5589N: Harold G Koehler KNIGHT, registration cancelled 1955-10-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 18, 1955
- Status when cancelled: Valid registration
- Airframe: [Harold G Koehler KNIGHT](https://openairdocs.org/model/harold-g-koehler-knight) (registry code 05633XA)
- Serial number: 1
- Type of aircraft: Fixed wing single engine
- Certificate issued: September 23, 1947
- Mode S code: A720C3
- Owner when cancelled: [Koehler Harold George](https://openairdocs.org/faa-owner/KOEHLER%20HAROLD%20GEORGE)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N5589N
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5589N
- Page: https://openairdocs.org/deregistered/N5589N-1955-10-18

From the FAA registry file of November 5, 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 Harold G Koehler KNIGHT: https://openairdocs.org/model/harold-g-koehler-knight.md

## Other aircraft with N5589N

- [Cancelled 2013-07-08](https://openairdocs.org/deregistered/N5589N-2013-07-08): Miller Karl F QUICKIE, S/N 388. Registration expired, pending cancellation. Owner: [Miller Karl F](https://openairdocs.org/faa-owner/MILLER%20KARL%20F), [Glencoe, MN](https://openairdocs.org/faa-place/MN/Glencoe)

---
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.