Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N504BT.
| Tail Number / N-Number | N504BT |
| Manufacturer | JONKER SAILPLANES CC |
| Model | JS 1B |
| Year Built | 2008 |
| Manufacturer's Serial Number | 1B-004 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Type of Registrant | Individual |
| Owner Name | TATE BARTON L |
| Street | MORIARTY AIRPORT HNGR 31 50 GEORGE APPLEBAY WAY |
| City | MORIARTY |
| State | NM |
| Zip Code | 87035 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2009-08-20 |
| Certificate Issue Date | 2009-08-19 |
| Last Action Date | 2009-08-19 |
| Last Status | Valid Registration |
| Cancellation Date | 2010-03-03 |
| Exported To | SOUTH AFRICA |
| Mode S Code | 51444367 |
| Mode S Code Hex | A648F7 |