| Tail Number / N-Number | N3646P |
| Manufacturer | PIPER |
| Model | AEROSTAR 601 |
| Manufacturer's Serial Number | 6108598162155 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | IO-540 SER |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 300 hp (224 kW) |
| Total Horsepower | 600 hp (448 kW) |
| Type of Registrant | Partnership |
| Owner Name | MR GROUP |
| Street | PO BOX 1697 |
| City | RAPID CITY |
| State | SD |
| Zip Code | 57709-1697 |
| Region | Great Lakes |
| County | Pennington County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1981-01-14 |
| Certificate Issue Date | 2020-10-13 |
| Last Action Date | 2020-10-13 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 51017140 |
| Mode S Code Hex | A41E60 |