| Tail Number / N-Number | N3557C |
| Manufacturer | AEROSTAR INTERNATIONAL INC |
| Model | RX-7 |
| Year Built | 1988 |
| Manufacturer's Serial Number | RX7-3174 |
| 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 | Corporation |
| Owner Name | MARKETING SERVICES INC OF PUEBLO |
| Street | PO BOX 38512 |
| City | COLORADO SPRINGS |
| State | CO |
| Zip Code | 80937-8512 |
| Region | Northwest Mountain |
| County | El Paso County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1988-04-06 |
| Certificate Issue Date | 2011-03-15 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-03-31 |
| Status | Valid Registration |
| Mode S Code | 50775260 |
| Mode S Code Hex | A3FAB0 |