| Tail Number / N-Number | N505SF |
| Manufacturer | CESSNA |
| Model | 340A |
| Year Built | 1977 |
| Manufacturer's Serial Number | 340A0261 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | TSIO-520 SER |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 300 hp (224 kW) |
| Total Horsepower | 600 hp (448 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | LLC |
| Owner Name | FIREFLY AVIATION LLC |
| Street | 12343 NATURE CT |
| City | LOLO |
| State | MT |
| Zip Code | 59847-9202 |
| Region | Northwest Mountain |
| County | Missoula County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1977-02-19 |
| Certificate Issue Date | 2014-05-22 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 51447031 |
| Mode S Code Hex | A64E19 |