# N4223P: Ryan Aeronautical ST3KR, registration cancelled 1992-09-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 23, 1992
- Status when cancelled: Valid registration
- Airframe: [Ryan Aeronautical ST3KR](https://openairdocs.org/model/ryan-aeronautical-st3kr) (registry code 7830502)
- Data sheets: [TCDS A-749](https://openairdocs.org/tcds/A-749) (OpenAirDocs)
- Serial number: 1691
- Type of aircraft: Fixed wing single engine
- Certificate issued: December 30, 1986
- Last registry action: March 29, 1991
- Mode S code: A505DC
- Owner when cancelled: [Brewer Lee A](https://openairdocs.org/faa-owner/BREWER%20LEE%20A)
- Location: [Friday Harbor, WA](https://openairdocs.org/faa-place/WA/Friday%20Harbor)
- Owner type: Individual
- Owner's area on the map: 48.5538° N, 123.0859° W: Placed by OpenAirDocs at the center of ZIP code 98250, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4223P
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4223P
- Page: https://openairdocs.org/deregistered/N4223P-1992-09-23

From the FAA registry file of November 3, 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 SEA92LA095](https://openairdocs.org/ntsb/SEA92LA095), May 11, 1992: Ryan ST-3KR (N4223P), Anacortes, WA, destroyed. Probable cause: LOSS OF ENGINE POWER DUE TO FATIGUE FAILURE OF THE CRANKSHAFT COUNTERWEIGHT CAP SCREWS AND SEPARATION OF THE COUNTERWEIGHT. A FACTOR RELATING TO THE ACCIDENT WAS THE RESIDENTIAL AREA AND LACK OF…

## FAA accident and incident reports (1)

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 19920511014369A](https://openairdocs.org/incident/19920511014369A), May 11, 1992: Ryan ST3KR (N4223P), Anacortes, WA, Destroyed. Blew a jug on climbout. Crash landed on city street. NR5 cylinder lost aft engine counterweight began destruction

## Other aircraft with N4223P

- [Registered now](https://openairdocs.org/aircraft/N4223P): Perez Chuck RANS S-12 XL AIRAILE, S/N 04040985, built 2004

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