# N421SD: 1971 Cessna 421B, registration cancelled 2017-10-31

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 31, 2017
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Cessna 421B](https://openairdocs.org/model/cessna-421b) (registry code 2076014)
- Engine: [Continental GTSIO-520-C](https://openairdocs.org/engine/continental-gtsio-520-c) (registry code 17035)
- Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE), [TCDS E7CE](https://openairdocs.org/tcds/E7CE) (OpenAirDocs)
- Serial number: 421B0127
- Year built: 1971
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: June 3, 1971
- Certificate issued: June 18, 2007
- Last registry action: July 18, 2011
- Mode S code: A500EA
- Owner when cancelled: [S And D Aviation LLC](https://openairdocs.org/faa-owner/S%20AND%20D%20AVIATION%20LLC)
- Location: [Columbus, MS](https://openairdocs.org/faa-place/MS/Columbus)
- Owner type: Corporation
- Owner's area on the map: 33.5082° N, 88.4071° W: Placed by OpenAirDocs: center of Columbus, MS, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N421SD
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=421SD
- Page: https://openairdocs.org/deregistered/N421SD-2017-10-31

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 Cessna 421B: https://openairdocs.org/model/cessna-421b.md

## Other aircraft with N421SD

- [Registered now](https://openairdocs.org/aircraft/N421SD): Karim Kanfoudi SLING TSI, S/N 422SK
- [Cancelled 2005-03-21](https://openairdocs.org/deregistered/N421SD-2005-03-21): Cessna 421B, S/N 421B0386, built 1973. Triennial form not returned. Owner: [Georgia Cumberland Con Of Seventh D](https://openairdocs.org/faa-owner/GEORGIA%20CUMBERLAND%20CON%20OF%20SEVENTH%20D), [Calhoun, GA](https://openairdocs.org/faa-place/GA/Calhoun)

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