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

Aircraft in the Quad City Ultralights CHALLENGER II family with Rotax 503 DCDI engines

7 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
N6964R Quad City Ultralights
CHALLENGER II
Individual owner
Texas
Experimental 2021-12-09 ValidFAA registration status code V: Valid registration. All codes
N80466 Quad City Ultralights
CHALLENGER II
Co-owned owner
Missouri
Experimental 2018-10-30 ValidFAA registration status code V: Valid registration. All codes
N9132V Quad City Ultralights
CHALLENGER II
Individual owner
Ohio
Experimental 2018-06-21 ValidFAA registration status code V: Valid registration. All codes
N949UX Quad City Ultralights
CHALLENGER II
Different Auto LLC
Twin Falls, Idaho
Experimental 2018-05-11 ValidFAA registration status code V: Valid registration. All codes
N503DB Quad City Ultralights
CHALLENGER II
Individual owner
Florida
Experimental 2016-06-09 ValidFAA registration status code V: Valid registration. All codes
N176CB Quad City Ultralights
CHALLENGER II
Individual owner
Alabama
Experimental 2012-07-03 ValidFAA registration status code V: Valid registration. All codes
N2610T Quad City Ultralights
CHALLENGER II
Individual owner
Maryland
Experimental 2008-01-14 ValidFAA registration status code V: Valid registration. All codes