| Tail Number / N-Number | N345GG |
| Manufacturer | GRUMMAN |
| Model | G-21A |
| Manufacturer's Serial Number | B101 |
| Aircraft Type | Fixed wing multi engine |
| Category | Amphibian |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | 3G CLASSIC AVIATION INC |
| Street | PO BOX 8702 |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19899-8702 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2022-02-03 |
| Last Action Date | 2022-02-03 |
| Expiration Date | 2029-02-28 |
| Status | Valid Registration |
| Mode S Code | 50750176 |
| Mode S Code Hex | A3D07E |