| Tail Number / N-Number | N21SE |
| Manufacturer | SCHEMPP-HIRTH |
| Model | VENTUS-2C |
| Year Built | 1997 |
| Manufacturer's Serial Number | 31 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| 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 | THAELER CHARLES S III |
| Street | 3210 MARTHIAM AVE |
| City | RENO |
| State | NV |
| Zip Code | 89509-5027 |
| Region | Western-Pacific |
| County | Washoe County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1998-02-26 |
| Certificate Issue Date | 2023-01-21 |
| Last Action Date | 2023-01-21 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 50334276 |
| Mode S Code Hex | A1B8BE |