| Tail Number / N-Number | N4640R |
| Manufacturer | PIPER |
| Model | PA-28-140 |
| Year Built | 1966 |
| Manufacturer's Serial Number | 28-21393 |
| 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 | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 107 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | MAIER DIANE K |
| Other Names |
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| Street | PO BOX 174 |
| City | UNDERWOOD |
| State | WA |
| Zip Code | 98651-0174 |
| Region | Northwest Mountain |
| County | Skamania County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1966-01-13 |
| Certificate Issue Date | 1999-09-21 |
| Last Action Date | 2021-03-25 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 51325337 |
| Mode S Code Hex | A5AADF |