# N42WM: Meixner William E COCKATOO, registration cancelled 2026-02-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 7, 2026
- Status when cancelled: Registration pending, canceled
- Airframe: [Meixner William E COCKATOO](https://openairdocs.org/model/meixner-william-e-cockatoo) (registry code 056123H)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 489
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 24, 1991
- Last registry action: October 4, 2024
- Mode S code: A4FB46
- Location: [El Cajon, CA](https://openairdocs.org/faa-place/CA/El%20Cajon)
- Owner type: Individual
- Owner's area on the map: 32.8329° N, 116.8734° W: Placed by OpenAirDocs at the center of ZIP code 92021, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N42WM
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=42WM
- Page: https://openairdocs.org/deregistered/N42WM-2026-02-07

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 Meixner William E COCKATOO: https://openairdocs.org/model/meixner-william-e-cockatoo.md

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