| Tail Number / N-Number | N121FG |
| Manufacturer | JOHNSON ROBERT B |
| Model | HIGHLANDER |
| Year Built | 2020 |
| Manufacturer's Serial Number | JA393-07-14 |
| 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 |
| Kit Manufacturer | JUST AIRCRAFT LLC |
| Kit Model | HIGHLANDER |
| Type of Registrant | Individual |
| Owner Name | JOHNSON ROBERT B |
| Street | 5311 LOBDELL RD |
| City | ALEXANDRIA |
| State | OH |
| Zip Code | 43001-8741 |
| Region | Great Lakes |
| County | Licking County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2020-06-23 |
| Certificate Issue Date | 2020-01-15 |
| Last Action Date | 2022-12-23 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 50053755 |
| Mode S Code Hex | A057ED |