Notional tying sequence but there aren't many materials or routes to get from bend to eye.
hook - WFC Model 3 #12
thread - Uni 8/0 camel
rib - x-small wire gold
abdomen - turkey biot dark tan
thorax - pronghorn
hackle - pronghorn dyed brown (1 Tbs Rit Golden Yellow, 1/4 Tsp Rit Dark Brown/1 cup water)
wing - Congo Hair Shiner Tan
Start thread at 3/4 mark; tie in rib, wrap to bend
Tie in moistened biot; wrap to 3/4 mark, tie off/trim
Rib body; helicopter end/cover with thread
Clean, stack, measure (hook length) a clump of ungulate hair; trim/tie in with 2 loose wraps, let it spin
Tie in CH; fold forward, tie down
Pull hair forward; tie down at eye, creating a ball, then stroke tips back and tie down
Half hitch x 2, SHHAN, trim wing
Regards,
Scott