Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N246GW.
| Tail Number / N-Number | N246GW |
| Manufacturer | WINDHAM GENE N |
| Model | CHALLENGER II |
| Year Built | 2000 |
| Manufacturer's Serial Number | CH2-0199-1833 |
| Aircraft Type | Glider |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Kit Manufacturer | QUAD CITY ULTRALIGHT ACFT CORP |
| Kit Model | CHALLENGER II |
| Type of Registrant | Individual |
| Owner Name | WINDHAM GENE N |
| Street | 579 FRUITVALE RD |
| City | VACAVILLE |
| State | CA |
| Zip Code | 95688-2548 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2000-04-18 |
| Certificate Issue Date | 2000-04-05 |
| Last Action Date | 2008-03-18 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2012-06-12 |
| Mode S Code | 50443364 |
| Mode S Code Hex | A246F4 |