# N55081: 1941 Ryan Aeronautical ST3KR, registration cancelled 2011-04-20

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 20, 2011
- Exported to: Brazil
- Status when cancelled: Valid registration
- Airframe: [Ryan Aeronautical ST3KR](https://openairdocs.org/model/ryan-aeronautical-st3kr) (registry code 7830502)
- Engine: [Kinner R5 series](https://openairdocs.org/engine/kinner-r5-series) (registry code 37504)
- Data sheets: [TCDS A-749](https://openairdocs.org/tcds/A-749) (OpenAirDocs)
- Serial number: 1422
- Year built: 1941
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: May 5, 1959
- Certificate issued: August 11, 2010
- Last registry action: August 11, 2010
- Mode S code: A702F5
- Owner when cancelled: [Pegasus Aircraft Parts & Systems Inc](https://openairdocs.org/faa-owner/PEGASUS%20AIRCRAFT%20PARTS%20%26%20SYSTEMS%20INC)
- Location: [Miami, FL](https://openairdocs.org/faa-place/FL/Miami)
- Owner type: Corporation
- Owner's area on the map: 25.6544° N, 80.4122° W: Placed by OpenAirDocs at the center of ZIP code 33186, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N55081
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=55081
- Page: https://openairdocs.org/deregistered/N55081-2011-04-20

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 Ryan Aeronautical ST3KR: https://openairdocs.org/model/ryan-aeronautical-st3kr.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 MIA71FKG62](https://openairdocs.org/ntsb/MIA71FKG62), Feb 6, 1971: Ryan ST-3KR (N55081), Decatur, GA, substantial damage

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