| Tail Number / N-Number | N640GC |
| Manufacturer | PIPER |
| Model | PA-24-260 |
| Manufacturer's Serial Number | 24-4890 |
| 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 | TI0-540 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 310 hp (231 kW) |
| Average Cruising Speed | 135 miles per hour |
| Type of Registrant | Individual |
| Owner Name | JOHNSTON SHEILA A |
| Street | 1 JOHNSON PIER SLIP 69 |
| City | HALF MOON BAY |
| State | CA |
| Zip Code | 94019-4065 |
| Region | Western-Pacific |
| County | San Mateo County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1969-08-29 |
| Certificate Issue Date | 2020-09-03 |
| Last Action Date | 2020-09-03 |
| Expiration Date | 2027-09-30 |
| Status | Valid Registration |
| Mode S Code | 52062724 |
| Mode S Code Hex | A865D4 |