| Tail Number / N-Number | N3999L |
| Manufacturer | CESSNA |
| Model | 172G |
| Manufacturer's Serial Number | 17254168 |
| 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 | Individual |
| Owner Name | MORRIS JEFFREY A |
| Street | PO BOX 68 |
| City | LAKE DELTON |
| State | WI |
| Zip Code | 53940-0068 |
| Region | Great Lakes |
| County | Sauk County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1966-01-19 |
| Certificate Issue Date | 2018-11-06 |
| Last Action Date | 2021-07-02 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 51123726 |
| Mode S Code Hex | A4A7D6 |