| Tail Number / N-Number | N640Q |
| Manufacturer | BEECH |
| Model | K35 |
| Year Built | 1959 |
| Manufacturer's Serial Number | D-5926 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | I0-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SMYTHE JOHN J III |
| Street | 5360 MIDDLECREST RD |
| City | RANCHO PALOS VERDE |
| State | CA |
| Zip Code | 90275 |
| Region | Western-Pacific |
| County | Los Angeles County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1959-04-13 |
| Certificate Issue Date | 2005-06-01 |
| Last Action Date | 2020-07-28 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 52063231 |
| Mode S Code Hex | A86699 |