# N421TK: 1979 Cessna 421C, registration cancelled 2019-09-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 6, 2019
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (registry code 2076016)
- Engine: [Continental GTSIO-520-L](https://openairdocs.org/engine/continental-gtsio-520-l) (registry code 17100)
- Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE), [TCDS E7CE](https://openairdocs.org/tcds/E7CE) (OpenAirDocs)
- Serial number: 421C0601
- Year built: 1979
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: June 1, 2013
- Certificate issued: May 20, 2013
- Last registry action: December 22, 2015
- Mode S code: A50109
- Owner when cancelled: [Klass Enterprises LLC](https://openairdocs.org/faa-owner/KLASS%20ENTERPRISES%20LLC)
- Location: [Conroe, TX](https://openairdocs.org/faa-place/TX/Conroe)
- Owner type: LLC
- Owner's area on the map: 30.2221° N, 95.3449° W: Placed by OpenAirDocs at the center of ZIP code 77302, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N421TK
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=421TK
- Page: https://openairdocs.org/deregistered/N421TK-2019-09-06

From the FAA registry file of November 3, 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 421C: https://openairdocs.org/model/cessna-421c.md

## 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 CEN17FA167](https://openairdocs.org/ntsb/CEN17FA167), Apr 25, 2017: Cessna 421C (N421TK), Huntsville, TX, destroyed, 1 fatal. Probable cause: The pilot's failure to identify the alternate runway, to perform a timely precautionary landing, and to maintain airplane control. Contributing to the accident was the failure of the left engine due…

## 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.

- [Accident 20170425003719A](https://openairdocs.org/incident/20170425003719A), Apr 25, 2017: Cessna 421C (N421TK), Huntsville, TX, Destroyed, 1 fatal. Aircraft crashed short of runway after shutting down left engine. The aircraft hit the tops of some trees which ripped off right wing and caught the aircraft…

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