| Tail Number / N-Number | N423L |
| Manufacturer | KASUBOSKI MICHAEL J |
| Model | SONERAI IIL |
| Manufacturer's Serial Number | 01495L |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | ARNOLD THOMAS S |
| Street | 341 MICKLERS RD |
| City | SAINT AUGUSTINE |
| State | FL |
| Zip Code | 32080-7258 |
| Region | Southern |
| County | St. Johns County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1987-07-04 |
| Certificate Issue Date | 1991-11-14 |
| Last Action Date | 2021-06-14 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 51203676 |
| Mode S Code Hex | A507BE |