| Tail Number / N-Number | N139SB |
| Manufacturer | BRISENO SAMUEL |
| Model | KOLB FIREFLY |
| Year Built | 2003 |
| Manufacturer's Serial Number | FF00-2-00013 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 447 |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 40 hp (30 kW) |
| Type of Registrant | Individual |
| Owner Name | MUNCH PHILLIP J JR |
| Street | PO BOX 1989 |
| City | LAYTONVILLE |
| State | CA |
| Zip Code | 95454-1989 |
| Region | Western-Pacific |
| County | Mendocino County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-03-15 |
| Certificate Issue Date | 2017-02-15 |
| Last Action Date | 2023-01-05 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 50117062 |
| Mode S Code Hex | A09E32 |