| Tail Number / N-Number | N1231X |
| Manufacturer | RASMUSSEN RONALD H |
| Model | ONEX |
| Year Built | 2013 |
| Manufacturer's Serial Number | ONX0030 |
| 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 | HUMMEL |
| Engine Model | 2180 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 76 hp (57 kW) |
| Kit Manufacturer | SONEX AIRCRAFT LLC |
| Kit Model | ONEX |
| Type of Registrant | Individual |
| Owner Name | HEDDERLY BENJAMIN T |
| Street | 248 N RIVER RD |
| City | MUNROE FALLS |
| State | OH |
| Zip Code | 44262-1312 |
| Region | Great Lakes |
| County | Summit County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2014-04-01 |
| Certificate Issue Date | 2019-11-19 |
| Last Action Date | 2022-06-22 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 50060550 |
| Mode S Code Hex | A06168 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N1231X.
| Tail Number / N-Number | N1231X |
| Manufacturer | MOONEY |
| Model | M20E |
| Manufacturer's Serial Number | 105 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 127 miles per hour |
| Type of Registrant | Non Citizen Corporation |
| Owner Name | EQUIPMENT SECOND LIFE CO |
| Street | 37 WEST BROAD STREET |
| City | COLOMBUS |
| State | OH |
| Zip Code | 43215 |
| County | Summit County |
| Country | US |
| Certificate Issue Date | 1991-06-06 |
| Last Action Date | 1991-06-06 |
| Last Status | Valid Registration |
| Cancellation Date | 1994-03-11 |
| Exported To | CANADA |