| Tail Number / N-Number | N390JB |
| Manufacturer | JONKER SAILPLANES (PTY) LTD |
| Model | JS1C 18/21 |
| Year Built | 2015 |
| Manufacturer's Serial Number | 1C-090 |
| 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 | M&D FLUGZE |
| Engine Model | MD-TJ42 |
| Engine Type | Turbo-jet |
| Number of Engines | 1 engine |
| Thrust | 350 pounds-force (1.6 kN) |
| Type of Registrant | Co-Ownership |
| Owner Name | BAUGH KEITH E |
| Other Names |
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| Street | 33 LAKE POTANIPO RD |
| City | BROOKLINE |
| State | NH |
| Zip Code | 03033-2230 |
| Region | New England |
| County | Hillsborough County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2020-08-31 |
| Certificate Issue Date | 2020-08-17 |
| Last Action Date | 2020-11-20 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 51101623 |
| Mode S Code Hex | A48393 |