| Tail Number / N-Number | N421RR |
| Manufacturer | CESSNA |
| Model | 421 |
| Year Built | 1968 |
| Manufacturer's Serial Number | 4210085 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | GTSIO-520-D |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 375 hp (280 kW) |
| Total Horsepower | 750 hp (560 kW) |
| Average Cruising Speed | 172 miles per hour |
| Type of Registrant | Individual |
| Owner Name | PUTZ MITCHELL |
| Street | 1815 PITTS RD |
| City | RICHMOND |
| State | TX |
| Zip Code | 77406-1350 |
| Region | Southwestern |
| County | Fort Bend County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1997-04-30 |
| Certificate Issue Date | 2019-11-15 |
| Last Action Date | 2022-06-13 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 51200335 |
| Mode S Code Hex | A500DD |