| Tail Number / N-Number | N993TC |
| Manufacturer | THUNDER BALLOONS LTD |
| Model | AX9-140 SII |
| Year Built | 1989 |
| Manufacturer's Serial Number | 1601US |
| Aircraft Type | Balloon |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 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 | LLC |
| Owner Name | AUSTIN AERONAUTS LLC |
| Street | 1114 CONCAN DR |
| City | HUTTO |
| State | TX |
| Zip Code | 78634-5496 |
| Region | Southwestern |
| County | Williamson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1989-12-04 |
| Certificate Issue Date | 2022-04-28 |
| Last Action Date | 2022-04-28 |
| Expiration Date | 2029-04-30 |
| Status | Valid Registration |
| Mode S Code | 53357564 |
| Mode S Code Hex | ADDF74 |