# N4178B: 1953 Aero Commander 520, registration cancelled 2012-08-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 1, 2012
- Status when cancelled: Sale reported, pending cancellation
- Airframe: [Aero Commander 520](https://openairdocs.org/model/aero-commander-520) (registry code 0141202)
- Engine: [Lycoming GO-435C&D series](https://openairdocs.org/engine/lycoming-go-435c-d-series) (registry code 41521)
- Data sheets: [TCDS 6A1](https://openairdocs.org/tcds/6A1) (OpenAirDocs)
- Serial number: 520-85
- Year built: 1953
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: May 2, 1956
- Last registry action: April 25, 1980
- Mode S code: A4F193
- Location: [Enid, OK](https://openairdocs.org/faa-place/OK/Enid)
- Owner type: Individual
- Owner's area on the map: 36.4267° N, 97.7920° W: Placed by OpenAirDocs at the center of ZIP code 73701, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4178B
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4178B
- Page: https://openairdocs.org/deregistered/N4178B-2012-08-01

From the FAA registry file of October 28, 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 Aero Commander 520: https://openairdocs.org/model/aero-commander-520.md

## NTSB investigations (3)

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 FTW79DRD16](https://openairdocs.org/ntsb/FTW79DRD16), Mar 4, 1979: Aero Comm 520 (N4178B), New Orleans, LA, destroyed
- [NTSB MKC78DCG06](https://openairdocs.org/ntsb/MKC78DCG06), Oct 29, 1977: Aero Comdr 520 (N4178B), Lamar, MO, substantial damage
- [NTSB MKC77FER09](https://openairdocs.org/ntsb/MKC77FER09), Dec 7, 1976: Aero Comdr 520 (N4178B), St Paul, MN, substantial damage

## FAA accident and incident reports (3)

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 19790304004079A](https://openairdocs.org/incident/19790304004079A), Mar 4, 1979: Rkwell 520 (N4178B), LA, Destroyed. Acft lost an engine 200 miles south of new orleans. Ditched in the ocean.
- [Accident 19771029033169A](https://openairdocs.org/incident/19771029033169A), Oct 29, 1977: Rkwell 520 (N4178B), Lamar, MO, Substantial damage
- [Accident 19761207040499A](https://openairdocs.org/incident/19761207040499A), Dec 7, 1976: Rkwell 520 (N4178B), St Paul, MN, Substantial damage. Right gear light did not indicate green light prior to landing.

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