| Tail Number / N-Number | N7644K |
| Manufacturer | PIPER |
| Model | PA-20 |
| Year Built | 1950 |
| Manufacturer's Serial Number | 20-463 |
| 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 | 0-290 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 140 hp (104 kW) |
| Average Cruising Speed | 94 miles per hour |
| Type of Registrant | Individual |
| Owner Name | KLAUBER ROBERT A |
| Street | 220 COUNTY ROAD 655 |
| City | ATHENS |
| State | TN |
| Zip Code | 37303-6008 |
| Region | Central |
| County | McMinn County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1955-07-16 |
| Certificate Issue Date | 2004-09-17 |
| Last Action Date | 2021-02-26 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 52451522 |
| Mode S Code Hex | AA5352 |