Twin-prop Whirly Bird. Definitely more painstaking to tie that the original. Play on this pattern http://www.flytierspage.com/lnasim/chinook.htm
Renegade Chinook
Hook: Long Shank (I used a streamer hook of unknown model, I believe it was a 3XL), Size 14
Thread: Veevus 14/0, Black
Tag: Gold Tinsel
Body: Peacock Herl
Hackle: White and brown, fore and aft respectively
Post: FTD Hi-Float Fibers, Hot White