| Tail Number / N-Number | N421E |
| Manufacturer | CESSNA |
| Model | 421B |
| Year Built | 1974 |
| Manufacturer's Serial Number | 421B0599 |
| 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-C |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 340 hp (254 kW) |
| Total Horsepower | 680 hp (507 kW) |
| Average Cruising Speed | 172 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SMITH RUSSELL N |
| Street | 405 BREMEN AVE |
| City | PENSACOLA |
| State | FL |
| Zip Code | 32507-2909 |
| Region | Southern |
| County | Escambia County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1974-05-01 |
| Certificate Issue Date | 2021-04-13 |
| Last Action Date | 2021-04-13 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 51177672 |
| Mode S Code Hex | A4FFBA |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N421E.
| Tail Number / N-Number | N421E |
| Manufacturer | BOEING |
| Model | 95 |
| Year Built | 1929 |
| Manufacturer's Serial Number | 1065 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | OBBINK MILDRED F |
| Street | 1224 NINETEENTH ST |
| City | SANTA MONICA |
| State | CA |
| Zip Code | 90401 |
| Region | Western-Pacific |
| County | Escambia County |
| Last Status | Valid Registration |
| Cancellation Date | 1934-10-12 |
| Exported To | MEXICO |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N421E.
| Tail Number / N-Number | N421E |
| Manufacturer | CESSNA |
| Model | 421C |
| Manufacturer's Serial Number | 421C0162 |
| 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 |
| County | Escambia County |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |