| Tail Number / N-Number | N40SX |
| Manufacturer | DENNISON DENNY M |
| Model | SONEX |
| Year Built | 2013 |
| Manufacturer's Serial Number | 0879 |
| 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 | 3300 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 120 hp (90 kW) |
| Kit Manufacturer | SONEX AIRCRAFT LLC |
| Kit Model | SONEX |
| Type of Registrant | Individual |
| Owner Name | DENNISON DENNY M |
| Street | 7260 CUNEO RD |
| City | COULTERVILLE |
| State | CA |
| Zip Code | 95311-9300 |
| Region | Western-Pacific |
| County | Mariposa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2013-06-20 |
| Certificate Issue Date | 2012-05-03 |
| Last Action Date | 2020-12-25 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 51125756 |
| Mode S Code Hex | A4ABEE |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N40SX.
| Tail Number / N-Number | N40SX |
| Manufacturer | CESSNA |
| Model | 152 |
| Manufacturer's Serial Number | 15285146 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| County | Mariposa County |
| Last Status | N-Number Assigned – but has not yet been registered |