Ok, the Russians do not have Chinook but I bet a KA-50 is loud!
I bet louder still would be Mi-26 'Halo'!
Or what about
Mil Mi-12 with the excellent name 'Homer', what an ugly beast!
Anyway, thanks for your replies...It has been fun reading them.
I was brought up in the 80's with the threat of Ivan arriving by nukes or sneak invasion like in that cheesy American film 'Red Dawn'. Its no wonder I am a bit paranoid!