| Tail Number / N-Number | N21ZA |
| Manufacturer | FLIGHT DESIGN GMBH |
| Model | CTLS |
| Year Built | 2011 |
| Manufacturer's Serial Number | F-10-09-04 |
| Aircraft Type | Fixed wing single engine |
| 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 | LLC |
| Owner Name | RAS AVIATION LLC |
| Street | 44050 RUSSIA RD |
| City | ELYRIA |
| State | OH |
| Zip Code | 44035-6800 |
| Region | Great Lakes |
| County | Lorain County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Light Sport |
| Airworthiness Date | 2011-08-17 |
| Certificate Issue Date | 2011-08-17 |
| Last Action Date | 2020-03-25 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 50334551 |
| Mode S Code Hex | A1B969 |