| Tail Number / N-Number | N794KS |
| Manufacturer | SCHLEICHER |
| Model | ASK-21 |
| Year Built | 1984 |
| Manufacturer's Serial Number | 21220 |
| 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 | Individual |
| Owner Name | STAR WILLIAM L |
| Street | PO BOX 770 |
| City | WAIALUA |
| State | HI |
| Zip Code | 96791-0770 |
| Region | Western-Pacific |
| County | Honolulu County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1990-04-27 |
| Certificate Issue Date | 2020-06-09 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 52543723 |
| Mode S Code Hex | AAC7D3 |