| Tail Number / N-Number | N817LL |
| Manufacturer | CESSNA |
| Model | 421C |
| Manufacturer's Serial Number | 421C0230 |
| 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 | UNDERWOOD CHRIS |
| Street | 4750 W ANGUS DR |
| City | BEVERLY HILLS |
| State | FL |
| Zip Code | 34465-4693 |
| Region | Southern |
| County | Citrus County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1977-01-04 |
| Certificate Issue Date | 2022-11-05 |
| Last Action Date | 2022-11-05 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 52622142 |
| Mode S Code Hex | AB2462 |