| Tail Number / N-Number | N631SB |
| Manufacturer | EUROCOPTER |
| Model | AS 350 B3 |
| Year Built | 2004 |
| Manufacturer's Serial Number | 3891 |
| 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 | SAN BERNARDINO COUNTY SHERIFFS DEPT |
| Street | 199 N HANGAR WAY |
| City | SAN BERNARDINO |
| State | CA |
| Zip Code | 92415-0855 |
| Region | Western-Pacific |
| County | San Bernardino County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2005-06-17 |
| Certificate Issue Date | 2005-08-04 |
| Last Action Date | 2020-11-10 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 52041405 |
| Mode S Code Hex | A84305 |