| Tail Number / N-Number | N599TT |
| Manufacturer | MARSH JAMES I |
| Model | HIGHLANDER |
| Year Built | 2014 |
| Manufacturer's Serial Number | JA10-06-10 |
| 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 | 3300A |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 120 hp (90 kW) |
| Kit Manufacturer | JUST AIRCRAFT LLC |
| Kit Model | HIGHLANDER |
| Type of Registrant | Individual |
| Owner Name | MARSH JAMES I |
| Street | 14602 VALLEY STONE CT |
| City | CYPRESS |
| State | TX |
| Zip Code | 77429-1776 |
| Region | Southwestern |
| County | Harris County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2014-04-27 |
| Certificate Issue Date | 2013-12-20 |
| Last Action Date | 2022-09-06 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 51740221 |
| Mode S Code Hex | A7C091 |