| Tail Number / N-Number | N251BK |
| Type of Reservation | 2 year hold for canceled N-numbers |
| Reserving Party Name | CANCELLED/NOT ASSIGNED |
| Date Reserved | 2021-07-31 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N251BK.
| Tail Number / N-Number | N251BK |
| Manufacturer | KLOMANN BOB |
| Model | CHALLENGER II |
| Manufacturer's Serial Number | CH2-0502-2213 |
| 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 | SEE BOMBADIER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Kit Manufacturer | QUAD CITY ULTRALIGHT ACFT CORP |
| Kit Model | CHALLENGER II |
| Type of Registrant | Individual |
| Owner Name | SWIFT ALLEN D |
| Street | 9822 MILL RD |
| City | MOUNT CARROLL |
| State | IL |
| Zip Code | 61053-9051 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2005-06-08 |
| Certificate Issue Date | 2018-04-02 |
| Last Action Date | 2018-04-02 |
| Last Status | Registration Expired - Pending Cancellation |
| Cancellation Date | 2021-07-31 |