| Tail Number / N-Number | N121LF |
| Manufacturer | FLIGHT DESIGN GMBH |
| Model | CTSW |
| Year Built | 2007 |
| Manufacturer's Serial Number | 07-06-22 |
| 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 | GIBSON JAMES L |
| Street | 1844 ARROWHEAD TRL |
| City | ALLEGAN |
| State | MI |
| Zip Code | 49010-9462 |
| Region | Great Lakes |
| County | Allegan County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Light Sport |
| Airworthiness Date | 2007-09-24 |
| Certificate Issue Date | 2016-11-21 |
| Last Action Date | 2022-08-01 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 50054151 |
| Mode S Code Hex | A05869 |