# N50870: 1941 Ryan Aeronautical ST3KR, registration cancelled 2013-08-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 15, 2013
- Status when cancelled: Sale reported, canceled
- 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: 1042
- Year built: 1941
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: July 16, 1956
- Last registry action: April 11, 2001
- Mode S code: A65B0E
- Location: [Alemeda, CA](https://openairdocs.org/faa-place/CA/Alemeda)
- Owner type: Individual
- Owner's area on the map: 37.7747° N, 122.2781° W: Placed by OpenAirDocs at the center of ZIP code 94501, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N50870
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=50870
- Page: https://openairdocs.org/deregistered/N50870-2013-08-15

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 LAX01LA020](https://openairdocs.org/ntsb/LAX01LA020), Oct 21, 2000: Ryan ST3KR (N50870), Georgetown, CA, destroyed, 1 fatal. Probable cause: The airplane's encounter with a strong updraft at the end of the runway that induced an increase in the wing's angle of attack to the critical point, which resulted in an inadvertent stall and spin.

## 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 20001021040419A](https://openairdocs.org/incident/20001021040419A), Oct 21, 2000: Ryan ST3KR (N50870), Georgetown, CA, No damage. (-23) Pilot departed runway 34. The plane stayed low over the runway then initiated a steep pull up. Aircraft went into a right bank, the nose rose and the…
- [Incident 19851011055429I](https://openairdocs.org/incident/19851011055429I), Oct 11, 1985: Ryan ST3KR (N50870), San Miguel, CA, Minor damage. While attempting landing in crosswind left wingtip struck ground and aircraft ground looped.

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