# N4197G: 1971 Windecker A/C7, registration cancelled 2013-03-11

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 11, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Windecker A/C7](https://openairdocs.org/model/windecker-a-c7) (registry code 9720209)
- Engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032)
- Data sheets: [TCDS A7SW](https://openairdocs.org/tcds/A7SW), [TCDS E5CE](https://openairdocs.org/tcds/E5CE) (OpenAirDocs)
- Serial number: 006
- Year built: 1971
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: March 11, 1971
- Certificate issued: September 30, 1985
- Last registry action: January 20, 2009
- Mode S code: A4F8E3
- Owner when cancelled: [National Air And Space Museum](https://openairdocs.org/faa-owner/NATIONAL%20AIR%20AND%20SPACE%20MUSEUM)
- Location: [Washington, DC](https://openairdocs.org/faa-place/DC/Washington)
- Owner type: Government
- Owner's area on the map: 38.8901° N, 77.0272° W: Placed by OpenAirDocs at the center of ZIP code 20560, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4197G
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4197G
- Page: https://openairdocs.org/deregistered/N4197G-2013-03-11

From the FAA registry file of November 12, 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 Windecker A/C7: https://openairdocs.org/model/windecker-a-c7.md

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.