| Tail Number / N-Number | N121YT |
| Manufacturer | FLIGHT DESIGN GMBH |
| Model | CTLS |
| Year Built | 2008 |
| Manufacturer's Serial Number | 08-04-10 |
| 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 | Individual |
| Owner Name | KEMPER WILIAM P |
| Street | 3001 BLUE GOOSE CT |
| City | HENDERSONVILLE |
| State | NC |
| Zip Code | 28792-7448 |
| Region | Eastern |
| County | Henderson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Light Sport |
| Airworthiness Date | 2008-08-14 |
| Certificate Issue Date | 2020-08-01 |
| Last Action Date | 2020-08-01 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 50054641 |
| Mode S Code Hex | A059A1 |