| Tail Number / N-Number | N99021 |
| Manufacturer | BELL |
| Model | UH-1B |
| Year Built | 1965 |
| Manufacturer's Serial Number | 64-13949 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | T-53 |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 1,150 hp (858 kW) |
| Average Cruising Speed | 103 miles per hour |
| Type of Registrant | LLC |
| Owner Name | MAGNUM AVIATION LLC |
| Street | PO BOX 26 |
| City | GOFF |
| State | KS |
| Zip Code | 66428-0026 |
| Region | Central |
| County | Nemaha County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1990-03-21 |
| Certificate Issue Date | 2018-01-24 |
| Last Action Date | 2020-11-05 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 53352533 |
| Mode S Code Hex | ADD55B |