| Tail Number / N-Number | N747SV |
| Manufacturer | ALEXANDER SCHLEICHER GMBH & CO |
| Model | ASK 21 |
| Manufacturer's Serial Number | 21879 |
| 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) |
| Number of Engines | 0 engines |
| Type of Registrant | Corporation |
| Owner Name | SHENANDOAH VALLEY SOARING INC |
| Street | PO BOX 602 |
| City | NELLYSFORD |
| State | VA |
| Zip Code | 22958-0602 |
| Region | Eastern |
| County | Nelson County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2010-10-26 |
| Last Action Date | 2022-06-06 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 52407057 |
| Mode S Code Hex | AA0E2F |