| Tail Number / N-Number | N277SD |
| Manufacturer | EUROCOPTER |
| Model | EC120B |
| Year Built | 2000 |
| Manufacturer's Serial Number | 1134 |
| 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) |
| Engine Manufacturer | TURBOMECA |
| Engine Model | ARRIUS 2F |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 432 hp (322 kW) |
| Type of Registrant | Government |
| Owner Name | SACRAMENTO COUNTY SHERIFFS OFFICE |
| Street | 3846 BAZLEY WAY |
| City | MATHER |
| State | CA |
| Zip Code | 95655-4000 |
| Region | Western-Pacific |
| County | Sacramento County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2001-09-07 |
| Certificate Issue Date | 2002-01-22 |
| Last Action Date | 2021-11-09 |
| Expiration Date | 2029-04-30 |
| Status | Valid Registration |
| Mode S Code | 50541021 |
| Mode S Code Hex | A2C211 |