| Tail Number / N-Number | N4421P |
| Manufacturer | PIPER |
| Model | PA-23-160 |
| Year Built | 1960 |
| Manufacturer's Serial Number | 23-1935 |
| Aircraft Type | Fixed wing multi 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 | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 180 hp (134 kW) |
| Total Horsepower | 360 hp (269 kW) |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Individual |
| Owner Name | AMENDT JOSEPH J JR |
| Street | PO BOX 531 |
| City | WATERTOWN |
| State | SD |
| Zip Code | 57201 |
| Region | Great Lakes |
| County | Codington County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1960-11-29 |
| Certificate Issue Date | 1976-02-04 |
| Last Action Date | 2022-05-02 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 51252224 |
| Mode S Code Hex | A55494 |