# N9121R: 1961 Baby Ace D, registration cancelled 2013-07-09

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 9, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Baby Ace D](https://openairdocs.org/model/baby-ace-d) (registry code 00301CK)
- Engine: [Lycoming 0-145B series](https://openairdocs.org/engine/lycoming-0-145b-series) (registry code 41502)
- Data sheets: [TCDS TC 210](https://openairdocs.org/tcds/TC%20210) (OpenAirDocs)
- Serial number: RM-1
- Year built: 1961
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 23, 1975
- Certificate issued: May 10, 1983
- Last registry action: January 20, 2009
- Mode S code: ACA0A4
- Owner when cancelled: [Maurer Donald E](https://openairdocs.org/faa-owner/MAURER%20DONALD%20E)
- Location: [Sweetwater, TN](https://openairdocs.org/faa-place/TN/Sweetwater)
- Owner type: Individual
- Owner's area on the map: 35.5983° N, 84.4565° W: Placed by OpenAirDocs at the center of ZIP code 37874, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9121R
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9121R
- Page: https://openairdocs.org/deregistered/N9121R-2013-07-09

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 Baby Ace D: https://openairdocs.org/model/baby-ace-d.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.
