There are 4 Groen Brothers Aviation Usainc SPARROWHAWK 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 2007 and 2009.
N247AW
2009 Bird Brian SPARROWHAWK II
Luther, OK
N3163R
2007 West Garry SPARROW HAWK
Greensboro, GA
N361FA
Clack James F SPARROW HAWK III
Macon, GA
N8023U
Zang Richard A SPARROWHAWK
Bethlehem, NH