| Tail Number / N-Number | N531SX |
| Manufacturer | KNOWLES KENNETH K |
| Model | SONEX |
| Year Built | 2008 |
| Manufacturer's Serial Number | 0531 |
| 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 | AEROCONVER |
| Engine Model | AEROVEE |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 80 hp (60 kW) |
| Kit Manufacturer | SONEX AIRCRAFT LLC |
| Kit Model | SONEX |
| Type of Registrant | Individual |
| Owner Name | TIMBERLAKE DAVID G |
| Street | 19830 N 110TH LN |
| City | SUN CITY |
| State | AZ |
| Zip Code | 85373-3348 |
| Region | Western-Pacific |
| County | Maricopa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-12-30 |
| Certificate Issue Date | 2016-09-28 |
| Last Action Date | 2022-04-12 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 51532712 |
| Mode S Code Hex | A6B5CA |