# N5943M: Cessna 421B, registration cancelled 2001-05-22

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 22, 2001
- Status when cancelled: Triennial form not returned
- Airframe: [Cessna 421B](https://openairdocs.org/model/cessna-421b) (registry code 2076014)
- Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE) (OpenAirDocs)
- Serial number: 421B0316
- Type of aircraft: Fixed wing multi engine
- Certificate issued: February 26, 1998
- Last registry action: February 20, 2001
- Mode S code: A7AF10
- Owner when cancelled: [Scenic Aviation Inc](https://openairdocs.org/faa-owner/SCENIC%20AVIATION%20INC)
- Location: [Blanding, UT](https://openairdocs.org/faa-place/UT/Blanding)
- Owner type: Corporation
- Owner's area on the map: 37.5273° N, 109.4115° W: Placed by OpenAirDocs at the center of ZIP code 84511, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N5943M
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5943M
- Page: https://openairdocs.org/deregistered/N5943M-2001-05-22

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 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 99ZZZX2982](https://openairdocs.org/sdr/99ZZZX2982), Jun 18, 1999: PIN. LOOSE. THE IDLER GEAR SUPPORT PIN WAS FOUND LOOSE AND BACKED OUT OF THE CRANKCASE CAUSING THE IDLER GEAR TO BE OUT OF POSITION DISCONNECTING THE DRIVE TRAIN TO THE MAG
- [SDR 98ZZZX1323](https://openairdocs.org/sdr/98ZZZX1323), Mar 1, 1998: TUBE. FAILED. A FUEL DISCHARGE TUBE ASSY FROM THE FUEL MANIFOLD VALVE TO THE NR 2 CYLINDER FUEL INJECTOR NOZZLE WAS FOUND BROKEN AT THE BALL END FITTING INSIDE OF THE BRASS R

## NTSB investigations (2)

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 LAX99LA240](https://openairdocs.org/ntsb/LAX99LA240), Jul 2, 1999: Cessna 421B (N5943M), Polacca, AZ, substantial damage. Probable cause: The pilot's inadequate preflight inspection, which failed to determine the fuel supply in each fuel tank, and his mismanagement of the fuel supply, which resulted in fuel starvation.
- [NTSB FTW82DPA08](https://openairdocs.org/ntsb/FTW82DPA08), Dec 26, 1981: Cessna 421B (N5943M), Dallas, TX, substantial damage

## 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 19990701008009A](https://openairdocs.org/incident/19990701008009A), Jul 1, 1999: Cessna 421B (N5943M), Polacca, AZ, Substantial damage. Acft was on approach when it crashed under unknown circumstances. (.4)during the initial climb after takeoff, both engines lost power and the pilot force…
- [Accident 19811226084109A](https://openairdocs.org/incident/19811226084109A), Dec 26, 1981: Cessna 421B (N5943M), Dallas, TX, Substantial damage. Left main gear collapsed on landing roll. Indicates drag brace overcenter lock rigged with insufficient preload.

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