| Tail Number / N-Number | N1557S |
| Manufacturer | HULSE STEVEN T |
| Model | SONEX |
| Year Built | 2020 |
| Manufacturer's Serial Number | 1557 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | REVMASTER |
| Engine Model | R-2300 |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 85 hp (63 kW) |
| Kit Manufacturer | SONEX AIRCRAFT LLC |
| Kit Model | SONEX |
| Type of Registrant | Individual |
| Owner Name | HULSE STEVEN T |
| Street | 6958 RIVER RD |
| City | INVER GROVE |
| State | MN |
| Zip Code | 55076-4230 |
| Region | Great Lakes |
| County | Dakota County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2020-09-19 |
| Certificate Issue Date | 2020-07-30 |
| Last Action Date | 2020-07-30 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 50160040 |
| Mode S Code Hex | A0E020 |