| Tail Number / N-Number | N558RM |
| Manufacturer | MOONEY |
| Model | M20R |
| Year Built | 2006 |
| Manufacturer's Serial Number | 29-0474 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | IO-550-G |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 280 hp (209 kW) |
| Type of Registrant | Corporation |
| Owner Name | HOFFMAN AIRCRAFT SALES CORP |
| Street | 3511 SILVERSIDE RD STE 105 |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19810-4902 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2006-11-22 |
| Certificate Issue Date | 2015-03-13 |
| Last Action Date | 2020-11-04 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 51617246 |
| Mode S Code Hex | A71EA6 |