# N421SM: 1975 Cessna 421B, registration cancelled 2009-10-28

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 28, 2009
- Status when cancelled: Sale reported
- 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: 421B0889
- Year built: 1975
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: April 1, 1975
- Last registry action: October 8, 2009
- Mode S code: A500F2
- Location: [Griffin, GA](https://openairdocs.org/faa-place/GA/Griffin)
- Owner type: Individual
- Owner's area on the map: 33.2044° N, 84.2397° W: Placed by OpenAirDocs at the center of ZIP code 30224, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N421SM
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=421SM
- Page: https://openairdocs.org/deregistered/N421SM-2009-10-28

From the FAA registry file of October 31, 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

## Service difficulty reports (1)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 96ZZZX3574](https://openairdocs.org/sdr/96ZZZX3574), May 1, 1996: HUB. CORRODED. INSPECTION FOUND CORROSION THROUGHOUT HUB. RECOMMEND ROUTINE MAINTENANCE.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20081007852099I](https://openairdocs.org/incident/20081007852099I), Oct 7, 2008: Cessna 421B (N421SM), Concord, NC, Minor damage. (-23) PIC stated gear was selected down for landing during final approach to charlotte Douglas intl airport (clt), the pilot heard the gear extend, however the…

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