| Tail Number / N-Number | N421ZX |
| Manufacturer | CESSNA |
| Model | 421C |
| Manufacturer's Serial Number | 421C0304 |
| 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 | Co-Ownership |
| Owner Name | BURMINGHAM DON TRUSTEE |
| Other Names |
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| Street | 656 WOODBLUFF STREET |
| City | DUARTE |
| State | CA |
| Zip Code | 91010 |
| Region | Western-Pacific |
| County | Los Angeles County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1977-05-27 |
| Certificate Issue Date | 1994-10-03 |
| Last Action Date | 2021-09-14 |
| Expiration Date | 2029-02-28 |
| Status | Valid Registration |
| Mode S Code | 51200653 |
| Mode S Code Hex | A501AB |