7 MOST EXTREME HELICOPTERS IN THE WORLD\rbr\rbr\rbr7 . EUROCOPTER X3 \rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr6 . AH 64E APACHE\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr5. S-64 Skycrane\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr4 . CH-47 Chinook\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr3 . V-22 OSPREY\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr2 . KA 52 ALLIGATOR Kamov Ka-52\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr\rbr1 .