| Tail Number / N-Number | N1921U |
| Manufacturer | PILATUS AIRCRAFT LTD |
| Model | PC-12/47E |
| Year Built | 2021 |
| Manufacturer's Serial Number | 2104 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 11 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PT6E-67XP |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 1,200 hp (895 kW) |
| Type of Registrant | LLC |
| Owner Name | OXFORD HILL LLC |
| Street | 200 AIRPORT DR SPC 11 |
| City | WESTMINSTER |
| State | MD |
| Zip Code | 21157-3045 |
| Region | Eastern |
| County | Carroll County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2021-07-07 |
| Certificate Issue Date | 2021-11-22 |
| Last Action Date | 2021-11-22 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 50271047 |
| Mode S Code Hex | A17227 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N1921U.
| Tail Number / N-Number | N1921U |
| Manufacturer | CESSNA |
| Model | T210N |
| Manufacturer's Serial Number | 21064749 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| County | Carroll County |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1988-10-17 |