# N531S: 1969 Clevenger CASSUTT M III, registration cancelled 2012-09-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 18, 2012
- Status when cancelled: Revoked, canceled
- Airframe: [Clevenger CASSUTT M III](https://openairdocs.org/model/clevenger-cassutt-m-iii) (registry code 197042Q)
- 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: ES-001
- Year built: 1969
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Certificate issued: April 23, 1970
- Last registry action: April 16, 1977
- Mode S code: A6B5B4
- Owner when cancelled: [Haas Kenneth P](https://openairdocs.org/faa-owner/HAAS%20KENNETH%20P)
- Location: [Thousand Oaks, CA](https://openairdocs.org/faa-place/CA/Thousand%20Oaks)
- Owner type: Individual
- Owner's area on the map: 34.2129° N, 118.8733° W: Placed by OpenAirDocs at the center of ZIP code 91360, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N531S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=531S
- Page: https://openairdocs.org/deregistered/N531S-2012-09-18

From the FAA registry file of November 4, 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 Clevenger CASSUTT M III: https://openairdocs.org/model/clevenger-cassutt-m-iii.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.