| Tail Number / N-Number | N20NX |
| Manufacturer | JAMES FAIRCHILD |
| Model | ONEX |
| Year Built | 2013 |
| Manufacturer's Serial Number | ONX 0020 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AEROVEE |
| Engine Model | 2.1 |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 80 hp (60 kW) |
| Kit Manufacturer | SONEX AIRCRAFT LLC |
| Kit Model | ONEX |
| Type of Registrant | Co-Ownership |
| Owner Name | STEPHENS NICHOLAS C |
| Other Names |
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| Street | PO BOX 1209 |
| City | OVERGAARD |
| State | AZ |
| Zip Code | 85933-1209 |
| Region | Western-Pacific |
| County | Navajo County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2013-02-27 |
| Certificate Issue Date | 2020-08-01 |
| Last Action Date | 2022-04-04 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 50310354 |
| Mode S Code Hex | A190EC |