| Tail Number / N-Number | N521TW |
| Manufacturer | KUBICEK FACTORY S R O |
| Model | BB26Z |
| Year Built | 2022 |
| Manufacturer's Serial Number | 1957 |
| Aircraft Type | Balloon |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| 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 | LLC |
| Owner Name | AMERICAN BALLOONS LLC |
| Street | 22933 BRADENWOOD CT |
| City | LAND O LAKES |
| State | FL |
| Zip Code | 34639-6920 |
| Region | Southern |
| County | Pasco County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2022-03-21 |
| Certificate Issue Date | 2022-03-17 |
| Last Action Date | 2022-03-17 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 51507143 |
| Mode S Code Hex | A68E63 |