| Tail Number / N-Number | N4120K |
| Manufacturer | PIPER |
| Model | PA-28-181 |
| Year Built | 1999 |
| Manufacturer's Serial Number | 2843225 |
| 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 | LLC |
| Owner Name | JANSAR AVIATION LLC |
| Street | 27117 PEMBRIDGE LN |
| City | FARMINGTON HILLS |
| State | MI |
| Zip Code | 48331-3670 |
| Region | Great Lakes |
| County | Oakland County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1999-03-22 |
| Certificate Issue Date | 2016-07-18 |
| Last Action Date | 2022-06-12 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 51156760 |
| Mode S Code Hex | A4DDF0 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4120K.
| Tail Number / N-Number | N4120K |
| Manufacturer | KNIGHT |
| Model | TWISTER |
| Manufacturer's Serial Number | W-1 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 79 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WOLLGAST ARTHUR F |
| Street | 2068 2ND ST |
| City | SAN DIEGO |
| State | CA |
| Zip Code | 92101 |
| Region | Western-Pacific |
| County | Oakland County |
| Certificate Issue Date | 1950-04-26 |
| Last Status | Valid Registration |
| Cancellation Date | 1956-02-14 |