| Tail Number / N-Number | N541SX |
| Manufacturer | JESCHKE THOMAS |
| Model | SONEX |
| Manufacturer's Serial Number | 541 |
| 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 | 2100 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Kit Manufacturer | SONEX AIRCRAFT LLC |
| Kit Model | SONEX |
| Type of Registrant | Individual |
| Owner Name | FINN MATTHEW J |
| Street | 11 VIEW DR |
| City | WALNUTPORT |
| State | PA |
| Zip Code | 18088-1223 |
| Region | Eastern |
| County | Northampton County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2006-10-06 |
| Certificate Issue Date | 2020-06-04 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 51556511 |
| Mode S Code Hex | A6DD49 |