Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N537L.
| Tail Number / N-Number | N537L |
| Manufacturer | QUAD CITY ULTRALIGHT CORP |
| Model | CHALLENGER II |
| Year Built | 2002 |
| Manufacturer's Serial Number | CH2-0202-2199 |
| Aircraft Type | Fixed wing single engine |
| Category | Amphibian |
| Builder Certification | Light Sport |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 582DCDI |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Type of Registrant | Individual |
| Owner Name | LINARES FRANCISCO |
| Street | PTY 064 11200 NW 25TH ST STE 109 |
| City | DORAL |
| State | FL |
| Zip Code | 33172-1807 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-06-26 |
| Certificate Issue Date | 2011-02-11 |
| Last Action Date | 2011-02-11 |
| Last Status | Valid Registration |
| Cancellation Date | 2013-05-23 |
| Exported To | PERU |
| Mode S Code | 51545550 |
| Mode S Code Hex | A6CB68 |