| Tail Number / N-Number | N380ST |
| Manufacturer | BYRON POPPENHAGEN |
| Model | SONERAI II S |
| Year Built | 2017 |
| Manufacturer's Serial Number | 1244 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | GREATPLAIN |
| Engine Model | 2276GP |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 76 hp (57 kW) |
| Type of Registrant | Individual |
| Owner Name | POPPENHAGEN BYRON |
| Street | 744 BURGAMOTT AVE |
| City | GRAFTON |
| State | ND |
| Zip Code | 58237-1671 |
| Region | Great Lakes |
| County | Walsh County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2017-07-10 |
| Certificate Issue Date | 2017-04-03 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-04-30 |
| Status | Valid Registration |
| Mode S Code | 51056354 |
| Mode S Code Hex | A45CEC |