| Tail Number / N-Number | N7121M |
| Manufacturer | BALLOON WORKS |
| Model | FIREFLY 7 |
| Manufacturer's Serial Number | F7-458 |
| 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) |
| Number of Engines | 0 engines |
| Average Cruising Speed | 63 miles per hour |
| Type of Registrant | Individual |
| Owner Name | RILEY THERON A |
| Street | 6702 E VALLEY COVE |
| City | COLUMBIA |
| State | MO |
| Zip Code | 65202 |
| Region | Central |
| County | Boone County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 1995-02-09 |
| Last Action Date | 2022-09-07 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 52303002 |
| Mode S Code Hex | A98602 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N7121M.
| Tail Number / N-Number | N7121M |
| Manufacturer | CESSNA |
| Model | 175 |
| Manufacturer's Serial Number | 55421 |
| Aircraft Type | Fixed wing single engine |
| 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 | 1 engine |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | PIETSCH FLYING SERVICE |
| Street | MINOT INTERNATIONAL AIRPORT |
| City | MINOT |
| State | ND |
| Zip Code | 58501 |
| Region | Great Lakes |
| County | Boone County |
| Certificate Issue Date | 1965-03-31 |
| Last Status | Valid Registration |
| Cancellation Date | 1967-07-24 |
| Exported To | CANADA |