# N3121K: 1968 Cessna 421, registration cancelled 2012-09-12

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 12, 2012
- Status when cancelled: Registration pending, canceled
- Airframe: [Cessna 421](https://openairdocs.org/model/cessna-421) (registry code 2076010)
- 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: 421-0102
- Year built: 1968
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: May 9, 1968
- Last registry action: March 2, 2006
- Mode S code: A350C4
- Location: [Lake Wales, FL](https://openairdocs.org/faa-place/FL/Lake%20Wales)
- Owner type: Individual
- Owner's area on the map: 27.9008° N, 81.5857° W: Placed by OpenAirDocs at the center of ZIP code 33853, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N3121K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3121K
- Page: https://openairdocs.org/deregistered/N3121K-2012-09-12

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 421: https://openairdocs.org/model/cessna-421.md

## Service difficulty reports (2)

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

- [SDR 2000ZZZX626](https://openairdocs.org/sdr/2000ZZZX626), Mar 14, 2000: BEAM. CRACKED. THE LEFT ENGINE AFT BEAM ASSEMBLY IS CRACKED. CRACK IS AT THE OUTBOARD BEAM ASSEMBLY (P/N 5054030-13) ATTACHMENT POINT AT THE TOP SIDE, AFT END, EXTENDING 1.125
- [SDR 2000ZZZX625](https://openairdocs.org/sdr/2000ZZZX625), Mar 14, 2000: MANIFOLD. CRACKED. DURING ANNUAL INSPECTION, A CRACK EXTENDING ABOUT 2 INCHES EACH SIDE OF THE THREADED BOSS. THE BOSS HAD BEEN DRILLED AND TAPPED FOR A HELICOIL. THREADED BOSS IS

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB SEA95LA194](https://openairdocs.org/ntsb/SEA95LA194), Aug 18, 1995: Cessna 421 (N3121K), Creswell, OR, substantial damage. Probable cause: the company mechanic's failure to properly fabricate a fuel line.

## FAA accident and incident reports (2)

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.

- [Accident 19950818038759A](https://openairdocs.org/incident/19950818038759A), Aug 18, 1995: Cessna 421 (N3121K), Creswell, OR, Substantial damage. Fire in left engine on landing. Evacuated. Put out fire. Fuel line repaired by bogas line to save money.
- [Incident 19811030082919I](https://openairdocs.org/incident/19811030082919I), Oct 30, 1981: Cessna 421 (N3121K), Merritt Island, FL, Minor damage. Zx stolen aircraft was landed on runway with gear up after control tower had closed.

## Other aircraft with N3121K

- [Cancelled 1949-11-03](https://openairdocs.org/deregistered/N3121K-1949-11-03): Culver V, S/N V-340. Owner: [Culver Aircraft Corporation](https://openairdocs.org/faa-owner/CULVER%20AIRCRAFT%20CORPORATION), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita)

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