# N789AC: Cessna 421, registration cancelled 2016-09-20

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 20, 2016
- Status when cancelled: Expired dealer
- 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: 421-0012
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: June 12, 1973
- Last registry action: March 11, 2014
- Mode S code: AAB1F8
- Owner when cancelled: [Debritton Holdings LLC](https://openairdocs.org/faa-owner/DEBRITTON%20HOLDINGS%20LLC)
- Location: [West Covina, CA](https://openairdocs.org/faa-place/CA/West%20Covina)
- Physical address: [Chino, CA](https://openairdocs.org/faa-place/CA/Chino)
- Owner type: Corporation
- Owner's area on the map: 34.0670° N, 117.9370° W: Placed by OpenAirDocs at the center of ZIP code 91790, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N789AC
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=789AC
- Page: https://openairdocs.org/deregistered/N789AC-2016-09-20

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 (1)

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

- [SDR 99ZZZX302](https://openairdocs.org/sdr/99ZZZX302), Dec 11, 1998: LINE. LEAKING. PILOT REPORTED A SEVERE OIL LEAK ON THE LT ENGINE. REMOVAL OF ENG COWLINGS REVEALED OIL LEAKING FROM INSIDE OF THE FIRE SLEEVE ON THE FORWARD END OF THE TURBOCH

## Other aircraft with N789AC

- [Registered now](https://openairdocs.org/aircraft/N789AC): American Champion 8GCBC, S/N 629-2023, built 2023

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