| Tail Number / N-Number | N9491C |
| Manufacturer | CESSNA |
| Model | 180 |
| Manufacturer's Serial Number | 31889 |
| 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 | O-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 230 hp (172 kW) |
| Average Cruising Speed | 121 miles per hour |
| Type of Registrant | Individual |
| Owner Name | TERHUNE KEITH B |
| Street | 20815 LITTLE DEER LN |
| City | CROSBY |
| State | TX |
| Zip Code | 77532-2801 |
| Region | Southwestern |
| County | Harris County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-11-21 |
| Certificate Issue Date | 2018-09-20 |
| Last Action Date | 2021-04-11 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 53230425 |
| Mode S Code Hex | AD3115 |