# N21WT: 1973 Cessna 421B, registration cancelled 2023-07-11

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 11, 2023
- 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: 421B0486
- Year built: 1973
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: November 13, 1973
- Certificate issued: January 23, 2018
- Last registry action: April 14, 2023
- Mode S code: A1B92F
- Owner when cancelled: [Station David H](https://openairdocs.org/faa-owner/STATION%20DAVID%20H)
- Location: [Escondido, CA](https://openairdocs.org/faa-place/CA/Escondido)
- Owner type: Individual
- Owner's area on the map: 33.0871° N, 117.1252° W: Placed by OpenAirDocs at the center of ZIP code 92029, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N21WT
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21WT
- Page: https://openairdocs.org/deregistered/N21WT-2023-07-11

From the FAA registry file of November 4, 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 (2)

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

- [SDR 2014FA0000721](https://openairdocs.org/sdr/2014FA0000721), Dec 25, 2014: SCREW. SHEARED. RPM AND MANIFOLD PRESSURE STARTED FLUCTUATING FOR THE RT ENGINE. WHITE SMOKE FROM TURBO CHARGER VENTS WAS NOTED AS WELL AS OIL STREAKS NOTED. OIL PRESSURE DROPP
- [SDR XTTA09030918](https://openairdocs.org/sdr/XTTA09030918), Sep 3, 2009: AUTOPILOT SYS. SHORTED. ON APPROACH, A FEW WISPS OF SMOKE WAS SEEN IN THE COCKPIT EMANATING FROM THE PILOT'S SIDE OF THE INSTRUMENT PANEL. AT THE SAME TIME, AN ELECTRICAL SMOLDERING OD

## 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 20141218022729I](https://openairdocs.org/incident/20141218022729I), Dec 18, 2014: Cessna 421B (N21WT), Kiritimati, No damage. On December 18, 2012, N21WT was being operated on a special flight permit for overweight condition, and had departed from Kiritimati, kiribati (plch) for…

## Other aircraft with N21WT

- [Cancelled 1995-06-29](https://openairdocs.org/deregistered/N21WT-1995-06-29): Piper PA-23-250, S/N 27139. Second triennial mailing, no response. Owner: [Connor Robert B](https://openairdocs.org/faa-owner/CONNOR%20ROBERT%20B), [Alvarado, TX](https://openairdocs.org/faa-place/TX/Alvarado)

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