| Tail Number / N-Number | N141SJ |
| Manufacturer | SONEX AIRCRAFT LLC |
| Model | JSX-2 |
| Year Built | 2014 |
| Manufacturer's Serial Number | 001 |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Type of Registrant | LLC |
| Owner Name | SONEX AIRCRAFT LLC |
| Street | 511 AVIATION RD |
| City | OSHKOSH |
| State | WI |
| Zip Code | 54902-7145 |
| Region | Great Lakes |
| County | Winnebago County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2014-07-02 |
| Certificate Issue Date | 2014-03-06 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-03-31 |
| Status | Valid Registration |
| Mode S Code | 50124000 |
| Mode S Code Hex | A0A800 |