| Tail Number / N-Number | N4721R |
| Manufacturer | CESSNA |
| Model | 172RG |
| Year Built | 1979 |
| Manufacturer's Serial Number | 172RG0017 |
| 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 | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | CASE ROBERT MICHAEL |
| Street | 2108 CHARNELTON ALY |
| City | EUGENE |
| State | OR |
| Zip Code | 97405-2684 |
| Region | Northwest Mountain |
| County | Lane County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1979-09-14 |
| Certificate Issue Date | 2021-02-01 |
| Last Action Date | 2021-02-01 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 51345423 |
| Mode S Code Hex | A5CB13 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4721R.
| Tail Number / N-Number | N4721R |
| Manufacturer | BELL |
| Model | 206A |
| Year Built | 1968 |
| Manufacturer's Serial Number | 261 |
| Aircraft Type | Rotorcraft |
| 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 | 112 miles per hour |
| Type of Registrant | Government |
| Owner Name | STATE OF ILLINOIS DEPT OF PUBLIC WORKS & BUILDINGS |
| Street | DIVISION OF HIGHWAYS 2300 S 31ST ST |
| City | SPRINGFIELD |
| State | IL |
| Zip Code | 62705 |
| Region | Great Lakes |
| County | Lane County |
| Certificate Issue Date | 1968-10-03 |
| Last Status | Valid Registration |
| Cancellation Date | 1971-07-19 |