| Tail Number / N-Number | N857MW |
| Manufacturer | ROBINSON HELICOPTER CO |
| Model | R66 |
| Manufacturer's Serial Number | 1224 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | ROBINSON HELICOPTER CO |
| Street | 2901 AIRPORT DR |
| City | TORRANCE |
| State | CA |
| Zip Code | 90505-6115 |
| Region | Western-Pacific |
| County | Los Angeles County |
| Country | US |
| Fractional Ownership | No |
| Last Action Date | 2022-11-17 |
| Status | Aircraft registered to the manufacturer under their Dealer Certificate |
| Mode S Code | 52741201 |
| Mode S Code Hex | ABC281 |