| Tail Number / N-Number | N309BG |
| Manufacturer | BURKHART GROB |
| Model | G-109B |
| Manufacturer's Serial Number | 6404 |
| 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 | 1 engine |
| Type of Registrant | LLC |
| Owner Name | FLYTRAINER LLC |
| Street | 1071 S BERNARDO AVE |
| City | SUNNYVALE |
| State | CA |
| Zip Code | 94087-1506 |
| Region | Western-Pacific |
| County | Santa Clara County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1986-01-16 |
| Certificate Issue Date | 2020-11-25 |
| Last Action Date | 2020-11-25 |
| Expiration Date | 2027-11-30 |
| Status | Valid Registration |
| Mode S Code | 50640341 |
| Mode S Code Hex | A340E1 |