| Tail Number / N-Number | N9661A |
| Manufacturer | CESSNA |
| Model | 140A |
| Year Built | 1950 |
| Manufacturer's Serial Number | 15561 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | C85 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 85 hp (63 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Individual |
| Owner Name | ENDSLEY GENE R |
| Street | PO BOX 98484 |
| City | SEATTLE |
| State | WA |
| Zip Code | 98198-0484 |
| Region | Northwest Mountain |
| County | King County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1955-08-31 |
| Certificate Issue Date | 2019-03-15 |
| Last Action Date | 2022-02-15 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 53272354 |
| Mode S Code Hex | AD74EC |