| Tail Number / N-Number | N42178 |
| Manufacturer | CESSNA |
| Model | T206H |
| Year Built | 1999 |
| Manufacturer's Serial Number | T20608032 |
| Aircraft Type | Fixed wing single 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 | LYCOMING |
| Engine Model | TI0-540 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 310 hp (231 kW) |
| Type of Registrant | Government |
| Owner Name | MONTANA DEPT OF TRANSPORTATION |
| Street | PO BOX 200507 |
| City | HELENA |
| State | MT |
| Zip Code | 59620-0507 |
| Region | Northwest Mountain |
| County | Lewis and Clark County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1999-05-12 |
| Certificate Issue Date | 2006-04-26 |
| Last Action Date | 2022-09-26 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 51201304 |
| Mode S Code Hex | A502C4 |