| Tail Number / N-Number | N98SK |
| Manufacturer | KRUEGER SCOTT |
| Model | CHALLENGER II |
| Manufacturer's Serial Number | CH2-0298-B-1715 |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | KOSTER DANIEL |
| Street | 26565 SCIENCE RIDGE RD |
| City | STERLING |
| State | IL |
| Zip Code | 61081 |
| Region | Great Lakes |
| County | Whiteside County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2001-04-11 |
| Last Action Date | 2020-03-23 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 53325145 |
| Mode S Code Hex | ADAA65 |