| Tail Number / N-Number | N8612X |
| Manufacturer | GEHL DAVID |
| Model | CHALLENGER II |
| Year Built | 2007 |
| Manufacturer's Serial Number | CH2-0106-2712 |
| 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 | 582SER |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Kit Manufacturer | QUAD CITY ULTRALIGHT ACFT CORP |
| Kit Model | CHALLENGER II |
| Type of Registrant | Individual |
| Owner Name | GEHL DAIVD J |
| Street | 1261 COUNTY ROAD Z |
| City | MOUNT HOREB |
| State | WI |
| Zip Code | 53572-2813 |
| Region | Great Lakes |
| County | Dane County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-04-21 |
| Certificate Issue Date | 2007-04-02 |
| Last Action Date | 2022-09-18 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 52752502 |
| Mode S Code Hex | ABD542 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N8612X.
| Tail Number / N-Number | N8612X |
| Manufacturer | CESSNA |
| Model | 180D |
| Manufacturer's Serial Number | 18051012 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 121 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CESSNA AIRCRAFT CO |
| Street | GEN DEL |
| City | WICHITA |
| State | KS |
| Zip Code | 67202 |
| Region | Central |
| County | Dane County |
| Last Status | Valid Registration |
| Cancellation Date | 1961-09-22 |
| Exported To | URUGUAY |