| Tail Number / N-Number | N9959 |
| Manufacturer | JESSE L GRAY |
| Model | JUST AIRCRAFT ST-XL |
| Manufacturer's Serial Number | JA463-0615 |
| 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) |
| Number of Engines | 1 engine |
| Kit Manufacturer | JUST AIRCRAFT LLC |
| Kit Model | JA35 SUPERSTOL XL ST |
| Type of Registrant | Individual |
| Owner Name | GRAY JESSE L |
| Street | PO BOX 565 |
| City | WHITETHORN |
| State | CA |
| Zip Code | 95589-0565 |
| Region | Western-Pacific |
| County | Humboldt County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2021-11-10 |
| Last Action Date | 2021-11-10 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 53364311 |
| Mode S Code Hex | ADE8C9 |