| Tail Number / N-Number | N4145X |
| Manufacturer | PIPER |
| Model | PA-28-181 |
| Year Built | 1998 |
| Manufacturer's Serial Number | 2843152 |
| 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 | 0-360-A1D |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Government |
| Owner Name | UNIVERSITY OF ILLINOIS |
| Other Names |
|
| Street | 1 AIRPORT RD UNIVERSITY OF ILLINOIS-WILLARD AI |
| City | SAVOY |
| State | IL |
| Zip Code | 61874 |
| Region | Great Lakes |
| County | Champaign County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1998-06-22 |
| Certificate Issue Date | 1998-09-08 |
| Last Action Date | 2020-11-16 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 51163031 |
| Mode S Code Hex | A4E619 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4145X.
| Tail Number / N-Number | N4145X |
| Manufacturer | AERO COMMANDER |
| Model | 100 |
| Manufacturer's Serial Number | 246 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 75 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CENTRAL BUCKS AERO INC |
| Street | CENTRAL BUCKS COUNTY ARPT |
| City | DOYLESTOWN |
| State | PA |
| Zip Code | 18901 |
| Region | Eastern |
| County | Champaign County |
| Certificate Issue Date | 1968-03-21 |
| Last Status | Valid Registration |
| Cancellation Date | 1970-06-30 |