| Tail Number / N-Number | N603ZS |
| Manufacturer | SLINGSBY SAILPLANES LTD |
| Model | 433B |
| Year Built | 1958 |
| Manufacturer's Serial Number | 1093 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| 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 | HARDY JOHN S |
| Street | 9040 FREMONT TR |
| City | FORT WORTH |
| State | TX |
| Zip Code | 76244 |
| Region | Southwestern |
| County | Tarrant County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2022-06-01 |
| Certificate Issue Date | 2021-12-27 |
| Last Action Date | 2021-12-27 |
| Expiration Date | 2028-12-31 |
| Status | Valid Registration |
| Mode S Code | 51752264 |
| Mode S Code Hex | A7D4B4 |