from the illustrations, /MD__Helicopters/MD902-MD902

from the illustrations, /Denel__Aerospace__Systems/Rooivalk-AH_2

from the illustrations, /Rotorway/Exec-162F

from the blog, /2011/07

from the blog, /2014/09

from the blog, /2012/04

from the illustrations, /Bell__Helicopter/BA609-AW609