| Tail Number / N-Number | N9SN |
| Manufacturer | ALLEN WILLIAM S |
| Model | SONEX |
| Year Built | 2016 |
| Manufacturer's Serial Number | 1359 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | GREATPLAIN |
| Engine Model | GREATPLAIN VW |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Kit Manufacturer | SONEX AIRCRAFT LLC |
| Kit Model | SONEX |
| Type of Registrant | Individual |
| Owner Name | ALLEN WILLIAM S |
| Street | 9806 SHEPLET CT |
| City | LOUISVILLE |
| State | KY |
| Zip Code | 40241-2129 |
| Region | Central |
| County | Jefferson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2016-06-28 |
| Certificate Issue Date | 2015-08-03 |
| Last Action Date | 2021-03-14 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 53066027 |
| Mode S Code Hex | AC6C17 |