| Tail Number / N-Number | N963CG |
| Manufacturer | JONKER SAILPLANES (PTY) LTD |
| Model | JS1-C |
| Year Built | 2014 |
| Manufacturer's Serial Number | 1C-074 |
| 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 | GILLESPIE CHARLES P |
| Street | 2849 CRATER LAKE LN |
| City | LAFAYETTE |
| State | CO |
| Zip Code | 80026-3488 |
| Region | Northwest Mountain |
| County | Boulder County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2015-02-26 |
| Certificate Issue Date | 2015-01-02 |
| Last Action Date | 2020-08-18 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 53263604 |
| Mode S Code Hex | AD6784 |