| Tail Number / N-Number | N9128S |
| Manufacturer | DJI |
| Model | MATRICE 300 RTK |
| Manufacturer's Serial Number | 1ZNDH3L0010516 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 0 seats |
| Weight Class | CLASS 4 (UAV up to 55 pounds gross take off weight) |
| Number of Engines | 4 engines |
| Type of Registrant | Government |
| Owner Name | COUNTY OF SISIYOU |
| Street | 311 4TH ST RM 101 |
| City | YREKA |
| State | CA |
| Zip Code | 96097-2947 |
| Region | Western-Pacific |
| County | Siskiyou County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2021-08-03 |
| Last Action Date | 2021-08-03 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 53120632 |
| Mode S Code Hex | ACA19A |