| Tail Number / N-Number | N994SD |
| Manufacturer | EUROCOPTER |
| Model | AS 350 B3 |
| Year Built | 2007 |
| Manufacturer's Serial Number | 4240 |
| 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 | TURBOMECA |
| Engine Model | ARRIEL 2B1 |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 747 hp (557 kW) |
| Type of Registrant | Government |
| Owner Name | COUNTY OF RIVERSIDE CALIFORNIA |
| Street | 4850 W STETSON AVE |
| City | HEMET |
| State | CA |
| Zip Code | 92545-9796 |
| Region | Western-Pacific |
| County | Riverside County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2007-06-25 |
| Certificate Issue Date | 2008-04-18 |
| Last Action Date | 2022-08-17 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 53361423 |
| Mode S Code Hex | ADE313 |