| Tail Number / N-Number | N840SD |
| Manufacturer | BELL |
| Model | OH-58C |
| Manufacturer's Serial Number | 72-21084 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Government |
| Owner Name | MARSHALL COUNTY SHERIFFS OFFICE |
| Street | 819 WEST ST |
| City | HOLLY SPRINGS |
| State | MS |
| Zip Code | 38635 |
| Region | Southwestern |
| County | Marshall County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2019-01-08 |
| Last Action Date | 2021-10-11 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 52700555 |
| Mode S Code Hex | AB816D |