| Tail Number / N-Number | N7421K |
| Manufacturer | BALLOON WORKS |
| Model | FIREFLY 8B |
| Manufacturer's Serial Number | F8B-028 |
| 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 | Co-Ownership |
| Owner Name | COSTELLO PAUL E |
| Other Names |
|
| Street | 3900 SW NOTTINGHAM RD |
| City | TOPEKA |
| State | KS |
| Zip Code | 66610-1461 |
| Region | Central |
| County | Shawnee County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1985-08-19 |
| Certificate Issue Date | 2005-02-14 |
| Last Action Date | 2022-03-11 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 52376175 |
| Mode S Code Hex | A9FC7D |