| Tail Number / N-Number | N21BR |
| Manufacturer | BURKHART GROB FLUGZEUGBAU |
| Model | G103 TWIN ASTIR |
| Year Built | 1978 |
| Manufacturer's Serial Number | 3121 |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 0 engines |
| Type of Registrant | Corporation |
| Owner Name | PIEDMONT SOARING SOCIETY |
| Street | PO BOX 212 |
| City | CLEMMONS |
| State | NC |
| Zip Code | 27012-0212 |
| Region | Eastern |
| County | Forsyth County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1999-12-13 |
| Certificate Issue Date | 2013-11-25 |
| Last Action Date | 2022-10-05 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 50333522 |
| Mode S Code Hex | A1B752 |