| Tail Number / N-Number | N503S |
| Manufacturer | PDPS PZL-BIELSKO |
| Model | SZD-50-3 |
| Year Built | 1993 |
| Manufacturer's Serial Number | B-2086 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 0 engines |
| Type of Registrant | Corporation |
| Owner Name | SUNDANCE AVIATION INC |
| Street | PO BOX 2066 |
| City | MORIARTY |
| State | NM |
| Zip Code | 87035-2066 |
| Region | Southwestern |
| County | Torrance County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1993-08-24 |
| Certificate Issue Date | 2021-07-27 |
| Last Action Date | 2021-07-27 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 51443245 |
| Mode S Code Hex | A646A5 |