| Tail Number / N-Number | N9SF |
| Manufacturer | SCHEMPP-HIRTH |
| Model | K. G NIMBUS II |
| Year Built | 1974 |
| Manufacturer's Serial Number | 57 |
| 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 |
| Average Cruising Speed | 60 miles per hour |
| Type of Registrant | Individual |
| Owner Name | GRENWELGE DIRK C |
| Street | 273 MEADOWLAKES DR |
| City | MEADOWLAKES |
| State | TX |
| Zip Code | 78654-7124 |
| Region | Southwestern |
| County | Burnet County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 2012-11-05 |
| Last Action Date | 2021-09-22 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 53066020 |
| Mode S Code Hex | AC6C10 |