| N100FY | 0000 Quad City Ultralights CHALLENGER I | 1187C0234 | 1 | 1 | UT, United States |
| N155KL | 0000 Quad City Ultralights CHALLENGER 2 | CH2-0500-1977 | 1 | 2 | AL, United States |
| N176CB | 0000 Quad City Ultralights CHALLENGER II | CH20694H76 | 1 | 2 | IN, United States |
| N183HM | 2005 Quad City Ultralights CHALLENGER II CW | CH2-0699-CW-1889 | 1 | 2 | NY, United States |
| N1870P | 0000 Quad City Ultralights CHALLENGER II | CH21491 | 1 | 2 | KS, United States |
| N218AB | 1996 Quad City Ultralights CHALLENGER II | CH2-1196-CW-1534 | 1 | 2 | NV, United States |
| N2277X | 2000 Quad City Ultralights CHALLENGER II | CH2-0800-1992 | 1 | 2 | NE, United States |
| N2479R | 2007 Quad City Ultralights CHALLENGER II | CH2-0903-2369 | 1 | 2 | VA, United States |
| N2481P | 1992 Quad City Ultralights CHALLENGER II | CH20192-0779B | 1 | 2 | OH, United States |
| N2572J | 2005 Quad City Ultralights CHALLENGER II | CH2-0804-2509 | 1 | 2 | NC, United States |
| N2609T | 0000 Quad City Ultralights CHALLENGER II | C2L-0189-0318 | 1 | 2 | MD, United States |
| N2610T | 1996 Quad City Ultralights CHALLENGER II | C2-0196-0-1445 | 1 | 2 | MD, United States |
| N26ZX | 0000 Quad City Ultralights SINGLE SEAT LONGWING | 0993 B 0445 | 1 | 1 | |
| N278CB | 0000 Quad City Ultralights CH II | CH2-1104-2552 | 1 | 2 | AR, United States |
| N3052 | 0000 Quad City Ultralights CHALLENGER II | M5766928 | 1 | 2 | |
| N3737D | 1996 Quad City Ultralights CHALLENGER I | 0392 0380 | 1 | 1 | OH, United States |
| N420DM | 2006 Quad City Ultralights CHALLENGER II | CW-1540 | 1 | 2 | SC, United States |
| N42952 | 1998 Quad City Ultralights CHALLENGER CWS 1 | QC003115 | 1 | 1 | CA, United States |
| N4313Q | 2006 Quad City Ultralights CHALLENGER II | CH2-1196 | 1 | 2 | SC, United States |
| N4448G | 0000 Quad City Ultralights CHALLENGER II | CH 202 920821 | 1 | 2 | UT, United States |
| N445RJ | 1997 Quad City Ultralights CHALLENGER II C W S | 1156 | 1 | 2 | FL, United States |
| N503DB | 1998 Quad City Ultralights CHALLENGER II | CH2-0397-1586 | 1 | 2 | FL, United States |
| N512J | 2000 Quad City Ultralights CHALLENGER II | CH20694-1173 | 1 | 2 | CA, United States |
| N541T | 2007 Quad City Ultralights CHALLENGER 1 | CH1-0798-0696 | 1 | 1 | GA, United States |
| N5624B | 2008 Quad City Ultralights CHALLENGER II | CH2-1096-1531 | 1 | 2 | FL, United States |
| N623DR | 0000 Quad City Ultralights CHALLENGER II | CH20694P1172 | 1 | 2 | UT, United States |
| N6964R | 1995 Quad City Ultralights CHALLENGER II | CH2-0695 W 1358 | 1 | 2 | TX, United States |
| N80466 | 1994 Quad City Ultralights CHALLENGER II | CH20894B1198 | 1 | 2 | MO, United States |
| N8586G | 1993 Quad City Ultralights CHALLENGER II | 001 | 1 | 2 | ND, United States |
| N9132V | 2007 Quad City Ultralights CHALLENGER II | CH2-0204-2445 | 1 | 2 | PA, United States |
| N9218P | 1995 Quad City Ultralights CHALLENGER II | CH2-0595R1347 | 1 | 2 | NC, United States |
| N949UX | 1992 Quad City Ultralights CHALLENGER II | CH2 1192 0806 | 1 | 2 | LA, United States |
| N970CS | 0000 Quad City Ultralights CHALLENGER I | 0798-0696 | 1 | 1 | CO, United States |
