| Tail Number / N-Number | N5421D |
| Manufacturer | BEECH |
| Model | H35 |
| Year Built | 1957 |
| Manufacturer's Serial Number | D-4932 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | O-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 230 hp (172 kW) |
| Average Cruising Speed | 131 miles per hour |
| Type of Registrant | LLC |
| Owner Name | FLY FIRST LLC |
| Street | 737 S AIRPORT RD HNGR 1 |
| City | WEST MEMPHIS |
| State | AR |
| Zip Code | 72301-3878 |
| Region | Southwestern |
| County | Crittenden County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1957-01-18 |
| Certificate Issue Date | 2019-10-07 |
| Last Action Date | 2022-05-23 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 51560731 |
| Mode S Code Hex | A6E1D9 |