# N8004Q: 1970 Cessna 421B, registration cancelled 2011-06-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 17, 2011
- Status when cancelled: Valid registration
- 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: 421B0004
- Year built: 1970
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: May 9, 1970
- Certificate issued: January 25, 2011
- Last registry action: January 25, 2011
- Mode S code: AAE4D0
- Owner when cancelled: [Maxi Air](https://openairdocs.org/faa-owner/MAXI%20AIR)
- Location: [Refugio, TX](https://openairdocs.org/faa-place/TX/Refugio)
- Owner type: Partnership
- Owner's area on the map: 28.3221° N, 97.1625° W: Placed by OpenAirDocs at the center of ZIP code 78377, within about 12 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N8004Q
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8004Q
- Page: https://openairdocs.org/deregistered/N8004Q-2011-06-17

From the FAA registry file of November 12, 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 20010125CW008](https://openairdocs.org/sdr/20010125CW008), Dec 18, 2000: CYLINDER. CRACKED. PILOT NOTICED RT ENGINE WAS RUNNING ROUGH. SHUT DOWN ENGINE, DURING INSPECTION FOUND THAT NR5 CYLINDER WAS COLD, WITH COMPRESSION TEST, RESULTS WAS 0/80. FOUND 

## Other aircraft with N8004Q

- [Cancelled 2019-10-17](https://openairdocs.org/deregistered/N8004Q-2019-10-17): Piper PA-28-181, S/N 2881064, built 2018. Exported to China. Owner: [Globe Aero LLC](https://openairdocs.org/faa-owner/GLOBE%20AERO%20LLC), [Lakeland, FL](https://openairdocs.org/faa-place/FL/Lakeland)

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