| Tail Number / N-Number | N201BU |
| Manufacturer | MOONEY |
| Model | M20J |
| Year Built | 1977 |
| Manufacturer's Serial Number | 24-0320 |
| 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 | I0360 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 | STEIDINGER MARK W |
| Street | E5414 742ND AVE |
| City | MENOMONIE |
| State | WI |
| Zip Code | 54751-5901 |
| Region | Great Lakes |
| County | Dunn County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1977-09-23 |
| Certificate Issue Date | 2005-08-04 |
| Last Action Date | 2020-10-14 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 50312746 |
| Mode S Code Hex | A195E6 |