# N11198: 1944 Beech C18S, registration cancelled 2009-06-25

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 25, 2009
- Status when cancelled: Registration revoked
- Airframe: [Beech C18S](https://openairdocs.org/model/beech-c18s) (registry code 1150902)
- Engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008)
- Data sheets: [TCDS A-757](https://openairdocs.org/tcds/A-757) (OpenAirDocs)
- Serial number: 6425
- Year built: 1944
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Last registry action: January 14, 1977
- Mode S code: A0339E
- Owner when cancelled: [Oklahoma Electronics](https://openairdocs.org/faa-owner/OKLAHOMA%20ELECTRONICS)
- Location: [Bethany, OK](https://openairdocs.org/faa-place/OK/Bethany)
- Owner type: Corporation
- Owner's area on the map: 35.5109° N, 97.6425° W: Placed by OpenAirDocs at the center of ZIP code 73008, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N11198
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=11198
- Page: https://openairdocs.org/deregistered/N11198-2009-06-25

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 Beech C18S: https://openairdocs.org/model/beech-c18s.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 UNK64X0201](https://openairdocs.org/ntsb/UNK64X0201), Jan 9, 1964: Beechcraft C18S (N11198), Okla City, OK, substantial damage

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