| Tail Number / N-Number | N4040L |
| Manufacturer | BALLOON WORKS |
| Model | FIREFLY 7 |
| Year Built | 1979 |
| Manufacturer's Serial Number | 7835 |
| 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 |
| Average Cruising Speed | 63 miles per hour |
| Type of Registrant | Individual |
| Owner Name | HILL MARTIN JR |
| Street | 5147 S VENTURA WAY |
| City | CENTENNIAL |
| State | CO |
| Zip Code | 80015-2316 |
| Region | Northwest Mountain |
| County | Arapahoe County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 1984-12-05 |
| Last Action Date | 2021-08-27 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 51136740 |
| Mode S Code Hex | A4BDE0 |