| Tail Number / N-Number | N1145T |
| Manufacturer | MOONEY |
| Model | M20J |
| Year Built | 1981 |
| Manufacturer's Serial Number | 24-1191 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | AEIO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 126 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WILLIAMS THOMAS J |
| Street | 7445 ARBOR AVE |
| City | BURR RIDGE |
| State | IL |
| Zip Code | 60527-7709 |
| Region | Great Lakes |
| County | Cook County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1981-08-18 |
| Certificate Issue Date | 2012-12-28 |
| Last Action Date | 2021-11-11 |
| Expiration Date | 2028-12-31 |
| Status | Valid Registration |
| Mode S Code | 50037050 |
| Mode S Code Hex | A03E28 |