| Tail Number / N-Number | N4021R |
| Manufacturer | PIPER |
| Model | PA-32-300 |
| Year Built | 1967 |
| Manufacturer's Serial Number | 32-40248 |
| Aircraft Type | Fixed wing single 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 | TI0-540 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 310 hp (231 kW) |
| Average Cruising Speed | 126 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | 21 ROMEO INC |
| Street | 7324 REYNOLDS RD |
| City | HORTON |
| State | MI |
| Zip Code | 49246-9504 |
| Region | Great Lakes |
| County | Jackson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 1989-10-30 |
| Last Action Date | 2021-03-10 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 51133232 |
| Mode S Code Hex | A4B69A |