# N434AC: 1999 Treadwell Walter L TREADWELL-ALLEY CAT, registration cancelled 2011-01-11

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 11, 2011
- Status when cancelled: First renewal notice
- Airframe: [Treadwell Walter L TREADWELL-ALLEY CAT](https://openairdocs.org/model/treadwell-walter-l-treadwell-alley-cat) (registry code 05608MI)
- Engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020)
- Data sheets: [TCDS E-252](https://openairdocs.org/tcds/E-252) (OpenAirDocs)
- Serial number: 004
- Year built: 1999
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: January 26, 2000
- Certificate issued: March 28, 2000
- Last registry action: March 17, 2009
- Mode S code: A531FD
- Owner when cancelled: [Treadwell Walter L](https://openairdocs.org/faa-owner/TREADWELL%20WALTER%20L)
- Location: [Walnut Creek, CA](https://openairdocs.org/faa-place/CA/Walnut%20Creek)
- Owner type: Individual
- Owner's area on the map: 37.8721° N, 122.0690° W: Placed by OpenAirDocs at the center of ZIP code 94595, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N434AC
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=434AC
- Page: https://openairdocs.org/deregistered/N434AC-2011-01-11

From the FAA registry file of November 3, 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 Treadwell Walter L TREADWELL-ALLEY CAT: https://openairdocs.org/model/treadwell-walter-l-treadwell-alley-cat.md

## Other aircraft with N434AC

- [Cancelled 2024-04-22](https://openairdocs.org/deregistered/N434AC-2024-04-22): Cirrus Design SR20, S/N 8731, built 2022. Exported to Canada. Owner: [N434ac LLC](https://openairdocs.org/faa-owner/N434AC%20LLC), [Westfield, MA](https://openairdocs.org/faa-place/MA/Westfield)

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