The U.S. aircraft register, updated daily
The register · data as of October 8, 2026

Aircraft in the Quad City Ultralight Acft Corp CHALLENGER II family with Rotax 503 DCDI engines

22 on the U.S. register, newest registrations first. This is the list behind a number on another page; the words above say exactly what it counts. Individuals are not named at this time; companies, trusts and government bodies are shown as the FAA publishes them.

Tail no.Maker and modelOwner and baseCertificateRegisteredStatus
N626KW Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Georgia
Experimental 2025-10-16 ValidFAA registration status code V: Valid registration. All codes
N9237N Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Georgia
Experimental 2025-09-26 ValidFAA registration status code V: Valid registration. All codes
N94630 Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Louisiana
Experimental 2025-07-09 ValidFAA registration status code V: Valid registration. All codes
N65763 Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Michigan
Experimental 2025-01-07 ValidFAA registration status code V: Valid registration. All codes
N2550E Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Tennessee
Experimental 2024-03-16 ValidFAA registration status code V: Valid registration. All codes
N9237E Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Georgia
Experimental 2024-01-03 ValidFAA registration status code V: Valid registration. All codes
N2551Y Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Nevada
Experimental 2023-06-29 ValidFAA registration status code V: Valid registration. All codes
N187EJ Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
North Dakota
Experimental 2022-08-22 ValidFAA registration status code V: Valid registration. All codes
N5119V Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
North Carolina
Experimental 2021-06-02 ValidFAA registration status code V: Valid registration. All codes
N864RC Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
South Carolina
Experimental 2019-08-28 ValidFAA registration status code V: Valid registration. All codes
N522PE Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Montana
Experimental 2017-06-16 ValidFAA registration status code V: Valid registration. All codes
N574LT Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Mississippi
Experimental 2016-06-23 ValidFAA registration status code V: Valid registration. All codes
N4433H Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Oregon
Experimental 2014-09-24 ValidFAA registration status code V: Valid registration. All codes
N61515 Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Tennessee
Experimental 2014-05-05 ValidFAA registration status code V: Valid registration. All codes
N204PK Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Oklahoma
Experimental 2014-02-12 ValidFAA registration status code V: Valid registration. All codes
N2542A Quad City Ultralight Acft Corp
CHALLENGER II
Co-owned owner
Florida
Experimental 2013-09-04 ValidFAA registration status code V: Valid registration. All codes
N740AB Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Alabama
Experimental 2013-08-05 ValidFAA registration status code V: Valid registration. All codes
N56968 Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Connecticut
Experimental 2013-01-16 ValidFAA registration status code V: Valid registration. All codes
N4378A Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Vermont
Experimental 2011-11-10 ValidFAA registration status code V: Valid registration. All codes
N197AB Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Nebraska
Experimental 2007-09-06 ValidFAA registration status code V: Valid registration. All codes
N293JP Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Oklahoma
Experimental 2007-07-24 ValidFAA registration status code V: Valid registration. All codes
N416B Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Georgia
Experimental 2006-10-24 ValidFAA registration status code V: Valid registration. All codes