# N617SD: 1966 Slingsby DART T.51, registration cancelled 2018-01-05

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 5, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Slingsby DART T.51](https://openairdocs.org/model/slingsby-dart-t-51) (registry code 8320602)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS G5EU](https://openairdocs.org/tcds/G5EU) (OpenAirDocs)
- Serial number: 1503
- Year built: 1966
- Type of aircraft: Glider
- Engine type: None
- Airworthiness: Standard
- Airworthiness date: June 24, 1966
- Certificate issued: September 12, 2011
- Last registry action: September 13, 2012
- Mode S code: A80A53
- Owner when cancelled: [Cooper Brian A](https://openairdocs.org/faa-owner/COOPER%20BRIAN%20A)
- Location: [Omro, WI](https://openairdocs.org/faa-place/WI/Omro)
- Owner type: Individual
- Owner's area on the map: 44.0439° N, 88.7730° W: Placed by OpenAirDocs at the center of ZIP code 54963, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N617SD
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=617SD
- Page: https://openairdocs.org/deregistered/N617SD-2018-01-05

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 Slingsby DART T.51: https://openairdocs.org/model/slingsby-dart-t-51.md

---
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.
