| Tail Number / N-Number | N251MX |
| Manufacturer | NORTH AMERICAN |
| Model | P-51C-10 |
| Year Built | 1943 |
| Manufacturer's Serial Number | 42-103293 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | PACKARD |
| Engine Model | LIBERTY |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 400 hp (298 kW) |
| Type of Registrant | Corporation |
| Owner Name | COLLINGS FOUNDATION |
| Street | PO BOX 248 |
| City | STOW |
| State | MA |
| Zip Code | 01775-0248 |
| Region | New England |
| County | Middlesex County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Limited |
| Airworthiness Date | 2004-05-04 |
| Certificate Issue Date | 2008-04-30 |
| Last Action Date | 2022-10-18 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 50456136 |
| Mode S Code Hex | A25C5E |