# N605BT: Unknown UNKNOWN, registration cancelled 2026-07-25

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 25, 2026
- Status when cancelled: Assigned (non-type certificated), pending cancellation
- Airframe: [Unknown UNKNOWN](https://openairdocs.org/model/unknown-unknown) (registry code 9999999)
- Serial number: 014
- Type of aircraft: Glider
- Last registry action: January 20, 2026
- Mode S code: A7D9FD
- The mark today: https://openairdocs.org/aircraft/N605BT
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=605BT
- Page: https://openairdocs.org/deregistered/N605BT-2026-07-25

From the FAA registry file of November 5, 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 Unknown UNKNOWN: https://openairdocs.org/model/unknown-unknown.md

## Other aircraft with N605BT

- [Cancelled 2019-03-14](https://openairdocs.org/deregistered/N605BT-2019-03-14): Inspectools ITX8, S/N 0004. Registration expired, pending cancellation. Owner: [Inspectools Inc](https://openairdocs.org/faa-owner/INSPECTOOLS%20INC), [Santa Cruz, CA](https://openairdocs.org/faa-place/CA/Santa%20Cruz)
- [Cancelled 2010-06-01](https://openairdocs.org/deregistered/N605BT-2010-06-01): Bombardier CL-600-2B16, S/N 5789, built 2009. Exported to Canada. Owner: [Bombardier Aerospace Corp](https://openairdocs.org/faa-owner/BOMBARDIER%20AEROSPACE%20CORP), [Richardson, TX](https://openairdocs.org/faa-place/TX/Richardson)

---
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.
