| Tail Number / N-Number | N91HW |
| Manufacturer | ROBINSON HELICOPTER |
| Model | R44 |
| Year Built | 2018 |
| Manufacturer's Serial Number | 2537 |
| 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 | O-540-F1B5 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | LLC |
| Owner Name | KINDERHOOK AVIATION LLC |
| Street | 614 N DUPONT HWY STE 210 |
| City | DOVER |
| State | DE |
| Zip Code | 19901-3900 |
| Region | Eastern |
| County | Kent County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2018-05-09 |
| Certificate Issue Date | 2020-12-08 |
| Last Action Date | 2021-01-05 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 53112426 |
| Mode S Code Hex | AC9516 |