Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4120L.
| Tail Number / N-Number | N4120L |
| Manufacturer | CESSNA |
| Model | 172G |
| Year Built | 1966 |
| Manufacturer's Serial Number | 17254189 |
| 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 | CONT MOTOR |
| Engine Model | 0-300 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 145 hp (108 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | ROCK RIVER FLYERS INC |
| Street | PO BOX 205 |
| City | MOUNT MORRIS |
| State | IL |
| Zip Code | 61054-0205 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1966-01-26 |
| Certificate Issue Date | 1992-08-17 |
| Last Action Date | 2007-07-17 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2017-07-03 |
| Mode S Code | 51156761 |
| Mode S Code Hex | A4DDF1 |