There are 6 X-Air XA85 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 2008 and 2010.
N21XA
2010 X-Air LLC XA85
Petaluma, CA
N20XA
2009 X-Air LLC XA85
Burlington, KY
N16XA
2008 X-Air LLC XA85
South Daytona, FL
N17XA
2008 X-Air LLC XA85
York, PA
N46XA
2008 X-Air LLC XA85
Georgetown, TX
N18XA
X-Air LLC XA85
Tipp City, OH