| Tail Number / N-Number | N421CQ |
| Manufacturer | CESSNA |
| Model | 421C |
| Manufacturer's Serial Number | 421C1218 |
| 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) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Individual |
| Owner Name | BURTON EDWARD E |
| Street | 9907 FRIESIAN ESTATES DR |
| City | SPRING |
| State | TX |
| Zip Code | 77379-1414 |
| Region | Southwestern |
| County | Harris County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1981-11-19 |
| Certificate Issue Date | 2023-01-06 |
| Last Action Date | 2023-01-06 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 51177627 |
| Mode S Code Hex | A4FF97 |