| Tail Number / N-Number | N474KS |
| Manufacturer | SCHLEICHER |
| Model | ASK-21 |
| Year Built | 1983 |
| Manufacturer's Serial Number | 21197 |
| 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 | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Type of Registrant | Corporation |
| Owner Name | VALLEY SOARING CLUB INC |
| Street | PO BOX 3062 |
| City | MIDDLETOWN |
| State | NY |
| Zip Code | 10940-0659 |
| Region | Eastern |
| County | Orange County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1984-02-08 |
| Certificate Issue Date | 2010-11-09 |
| Last Action Date | 2022-07-23 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 51350350 |
| Mode S Code Hex | A5D0E8 |