| Tail Number / N-Number | N912SK |
| Manufacturer | NIEDERMANN KARL E |
| Model | RANS S-6ES |
| Year Built | 2005 |
| Manufacturer's Serial Number | 03051643 |
| 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) |
| Engine Manufacturer | ROTAX |
| Engine Model | 912S |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Kit Manufacturer | RANS INC |
| Kit Model | S-6ES |
| Type of Registrant | Individual |
| Owner Name | KANITZ DALE L |
| Street | 228189 PEACOCK AVE |
| City | WAUSAU |
| State | WI |
| Zip Code | 54401-5035 |
| Region | Great Lakes |
| County | Marathon County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2009-11-16 |
| Certificate Issue Date | 2016-10-17 |
| Last Action Date | 2022-09-26 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 53117663 |
| Mode S Code Hex | AC9FB3 |