| Tail Number / N-Number | N991T |
| Manufacturer | CESSNA |
| Model | T206H |
| Year Built | 1999 |
| Manufacturer's Serial Number | T20608065 |
| 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 | Corporation |
| Owner Name | NORTHERN STEEL CO INC |
| Street | 318 E PIER ST |
| City | PORT WASHINGTON |
| State | WI |
| Zip Code | 53074-1922 |
| Region | Great Lakes |
| County | Ozaukee County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1999-07-29 |
| Certificate Issue Date | 2023-01-20 |
| Last Action Date | 2023-01-20 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 53354003 |
| Mode S Code Hex | ADD803 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N991T.
| Tail Number / N-Number | N991T |
| Manufacturer | CESSNA |
| Model | 182A |
| Manufacturer's Serial Number | 34312 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 119 miles per hour |
| Type of Registrant | Partnership |
| Owner Name | MILLS CARL |
| Other Names |
|
| Street | ROUTE NO 1 |
| City | CEDAR VALE |
| State | KS |
| Zip Code | 67024 |
| County | Ozaukee County |
| Country | US |
| Certificate Issue Date | 1978-07-06 |
| Last Action Date | 1982-10-14 |
| Last Status | Administratively canceled |
| Cancellation Date | 1982-10-14 |