White-wing (hence the Swan) variation on the Copper John. Change colors to suit your fancy.
hook - Dai Riki 135 #6
thread - MFC 6/0 hot orange
abdomen - UTC wire medium chartreuse
thorax - Ice Dub peacock
wing case - Flashabou pearl
hackle - CDC dun
wing - biots white
bead - gold 4mm
Part 1
mash barb, slide bead on hook; start thread/tie in wire and wrap back halfway down bend
wrap wire to the bead; helicopter end/cover with thread
tie in 2 strands of Flashabou; fold/wrap back to point above point
measure biots (hook length; tie in with tips facing forward
dub thread/dub thorax
pull Flashabou over thorax, tie down/trim