# N32WK: Koch MK-4, registration cancelled 1992-01-27

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 27, 1992
- Status when cancelled: Valid registration
- Airframe: [Koch MK-4](https://openairdocs.org/model/koch-mk-4) (registry code 0566141)
- Serial number: 001
- Type of aircraft: Fixed wing single engine
- Last registry action: January 3, 1992
- Mode S code: A36DF5
- Owners when cancelled: [Sold To Tropper Edward J](https://openairdocs.org/faa-owner/SOLD%20TO%20TROPPER%20EDWARD%20J)
- Location: [Erie, PA](https://openairdocs.org/faa-place/PA/Erie)
- Owner type: Individual
- Owner's area on the map: 42.0605° N, 80.0458° W: Placed by OpenAirDocs at the center of ZIP code 16509, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N32WK
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=32WK
- Page: https://openairdocs.org/deregistered/N32WK-1992-01-27

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 Koch MK-4: https://openairdocs.org/model/koch-mk-4.md

## Other aircraft with N32WK

- [Registered now](https://openairdocs.org/aircraft/N32WK): Pilatus PC-12/47E, S/N 1046, built 2008

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