| Tail Number / N-Number | N551BK |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Year Built | 2008 |
| Manufacturer's Serial Number | 12197 |
| Aircraft Type | Rotorcraft |
| 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 | LYCOMING |
| Engine Model | IO-540-AE1A5 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | Individual |
| Owner Name | KNIGHT BARRY D |
| Street | 1852 MILL LANDING RD |
| City | VIRGINIA BEACH |
| State | VA |
| Zip Code | 23457-1414 |
| Region | Eastern |
| County | Virginia Beach city |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2008-03-12 |
| Certificate Issue Date | 2009-09-14 |
| Last Action Date | 2020-11-20 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 51601505 |
| Mode S Code Hex | A70345 |