| Tail Number / N-Number | N51U |
| Type of Reservation | Fee paid |
| Reserving Party Name | SHORT-N-NUMBERS |
| Street | PO BOX 368 |
| City | GROVELAND |
| State | FL |
| Zip Code | 34736-0368 |
| Date Reserved | 2018-12-13 |
| Expiration Date | 2023-10-13 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N51U.
| Tail Number / N-Number | N51U |
| Manufacturer | NORTH AMERICAN |
| Model | P-51D |
| Manufacturer's Serial Number | 44-74204N |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | SPEER WILLIAM A JR |
| Street | 4730 JEFFER LANE |
| City | LA MESA |
| State | CA |
| Zip Code | 91941 |
| Country | US |
| Certificate Issue Date | 1993-03-25 |
| Last Action Date | 2002-04-16 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-10-31 |