| Tail Number / N-Number | N3121G |
| Manufacturer | HEAD BALLOONS INC |
| Model | AX8-88 |
| Year Built | 1998 |
| Manufacturer's Serial Number | 264 |
| Aircraft Type | Balloon |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 0 engines |
| Type of Registrant | Individual |
| Owner Name | MOTT GALE D |
| Street | 9881 N BOYD AVE |
| City | FRESNO |
| State | CA |
| Zip Code | 93720-4247 |
| Region | Western-Pacific |
| County | Fresno County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1998-05-01 |
| Certificate Issue Date | 1998-12-03 |
| Last Action Date | 2021-11-08 |
| Expiration Date | 2029-04-30 |
| Status | Valid Registration |
| Mode S Code | 50650301 |
| Mode S Code Hex | A350C1 |