| Tail Number / N-Number | N550SX |
| Manufacturer | VOSSMAN ROBERT |
| Model | SONEX |
| Year Built | 2006 |
| Manufacturer's Serial Number | 01 |
| 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 | JABIRU |
| Engine Model | 2200 |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 85 hp (63 kW) |
| Kit Manufacturer | SONEX LTD |
| Kit Model | SONEX |
| Type of Registrant | Co-Ownership |
| Owner Name | SMITH JOHN S |
| Other Names |
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| Street | 51 COUNTY ROAD 304 |
| City | GOLDTHWAITE |
| State | TX |
| Zip Code | 76844-3263 |
| Region | Southwestern |
| County | Mills County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2006-09-30 |
| Certificate Issue Date | 2022-07-11 |
| Last Action Date | 2022-07-11 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 51600421 |
| Mode S Code Hex | A70111 |