There are 11 Backcountry Super Cubs SQ2 aircraft on the U.S. registry that TailWiki has a page for. Every one is built from the public FAA record — year, serial, engine, home base, and registration history — and owners and pilots add photos, trips, and stories on top. The ones listed here were built between 2011 and 2018.
N389KT
2018 Toby Peter SQ2 REV2
Bridgton, ME
N44SD
2015 Douglas A Kandle SQ2
Boise, ID
N70KR
2013 Ron Apfelbaum SQ2
Douglas, WY
N154GW
2012 Joe Huston SQ2
Anchorage, AK
N23MJ
2012 Imark Productions SQ2
Columbus, MT
N148CM
2011 Alaskan Air Adventures LLC SQ2
Wasilla, AK
N27PD
2011 Davison Mackey LLC SQ-2
Anchorage, AK
N400AK
2011 Yippie Ki-Yay LLC MACKEY SQ2
Fairbanks, AK
N225TR
Sq2tr LLC SQ2
Anchorage, AK
N299BB
N299bb LLC BELL HR
Wasilla, AK
N299SB
N299sb LLC BELL HB
Fairbanks, AK