# N556MB: 1978 Cessna 421C, registration cancelled 2014-09-09

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 9, 2014
- Status when cancelled: Valid registration
- Airframe: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (registry code 2076016)
- Engine: [Continental GTSI0-520-F-K](https://openairdocs.org/engine/continental-gtsi0-520-f-k) (registry code 17031)
- Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE) (OpenAirDocs)
- Serial number: 421C0468
- Year built: 1978
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: August 24, 1982
- Certificate issued: February 1, 2007
- Last registry action: July 31, 2013
- Mode S code: A716CA
- Owner when cancelled: [Sacha Aviation Inc Owner Trustee](https://openairdocs.org/faa-owner/SACHA%20AVIATION%20INC%20OWNER%20TRUSTEE)
- Location: [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)
- Owner type: Corporation
- Owner's area on the map: 39.7376° N, 75.6671° W: Placed by OpenAirDocs at the center of ZIP code 19808, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N556MB
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=556MB
- Page: https://openairdocs.org/deregistered/N556MB-2014-09-09

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 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 CEN13WA566](https://openairdocs.org/ntsb/CEN13WA566), Sep 24, 2013: Cessna 421 - C (N556MB), Colombier-Saugnieu, France, destroyed, 4 fatal

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