| Tail Number / N-Number | N5421E |
| Manufacturer | MESSERSCHMITT |
| Model | BO105CBS |
| Year Built | 1989 |
| Manufacturer's Serial Number | S-806 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ALLISON |
| Engine Model | 250-C20 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 420 hp (313 kW) |
| Total Horsepower | 840 hp (627 kW) |
| Type of Registrant | Corporation |
| Owner Name | HP AVIATION INC |
| Street | 108 DUNBAR AVE |
| City | OLDSMAR |
| State | FL |
| Zip Code | 34677-2903 |
| Region | Southern |
| County | Pinellas County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1989-11-29 |
| Last Action Date | 2006-06-29 |
| Status | Expired Dealer (Pending Cancellation) |
| Mode S Code | 51560732 |
| Mode S Code Hex | A6E1DA |