| Tail Number / N-Number | N901BG |
| Manufacturer | BURKHART GROB |
| Model | G 103 TWIN II |
| Year Built | 1981 |
| Manufacturer's Serial Number | 3648 |
| 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 | Corporation |
| Owner Name | SAN ANTONIO SOARING SOCIETY INC |
| Street | 100 BOERNE STAGE AIRFIELD |
| City | BOERNE |
| State | TX |
| Zip Code | 78006-5149 |
| Region | Southwestern |
| County | Kendall County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1984-08-08 |
| Certificate Issue Date | 2017-08-23 |
| Last Action Date | 2020-08-12 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 53071403 |
| Mode S Code Hex | AC7303 |