| Tail Number / N-Number | N3631C |
| Manufacturer | CESSNA |
| Model | 180 |
| Year Built | 1954 |
| Manufacturer's Serial Number | 31129 |
| 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 | CLARK MARK R |
| Street | 1700 NW DEANE ST |
| City | PULLMAN |
| State | WA |
| Zip Code | 99163-3508 |
| Region | Northwest Mountain |
| County | Whitman County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-06-25 |
| Certificate Issue Date | 1988-10-18 |
| Last Action Date | 2021-09-28 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 51014757 |
| Mode S Code Hex | A419EF |