i would mention that it wouldn't be unbalancing if they added a -4 Hog at the same time but an AH -4 would probly turn half as well as a typhoon. They did of course make twice as many -4's as D9's tho.
"Butcher bird"? The nickname for the Corsair (whistling death) was given to it by the enemy.... Butcher bird was the name the designer came up with at a staff meeting with some of his add guys.
lazs