# N40WR: 1974 Ryburn SCHREDER RS-15, registration cancelled 2017-07-20

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 20, 2017
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Ryburn SCHREDER RS-15](https://openairdocs.org/model/ryburn-schreder-rs-15) (registry code 0564720)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: 20
- Year built: 1974
- Type of aircraft: Glider
- Engine type: None
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 22, 1980
- Certificate issued: October 7, 1997
- Last registry action: October 20, 2009
- Mode S code: A4AC4C
- Owner when cancelled: [Byington Craig K](https://openairdocs.org/faa-owner/BYINGTON%20CRAIG%20K)
- Location: [Corvallis, MT](https://openairdocs.org/faa-place/MT/Corvallis)
- Owner type: Individual
- Owner's area on the map: 46.3269° N, 113.9591° W: Placed by OpenAirDocs at the center of ZIP code 59828, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N40WR
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=40WR
- Page: https://openairdocs.org/deregistered/N40WR-2017-07-20

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 Ryburn SCHREDER RS-15: https://openairdocs.org/model/ryburn-schreder-rs-15.md

## Other aircraft with N40WR

- [Registered now](https://openairdocs.org/aircraft/N40WR): Bombardier BD-700-2A12, S/N 70180, built 2024

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.