| Tail Number / N-Number | N518SU |
| Manufacturer | COSMOS |
| Model | PHASE III |
| Manufacturer's Serial Number | B21559 |
| Aircraft Type | Weight-shift-control |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 912ULS SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Type of Registrant | Individual |
| Owner Name | CRESS MARK C |
| Street | 6125 S TERESA DR |
| City | CHANDLER |
| State | AZ |
| Zip Code | 85249-4888 |
| Region | Western-Pacific |
| County | Maricopa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-01-22 |
| Certificate Issue Date | 2021-04-14 |
| Last Action Date | 2021-04-14 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 51500312 |
| Mode S Code Hex | A680CA |