War Thunder Mark VI AA tank How many will I shot down?

How many air craft will I shot down with the Mark VI AA tank? I drive Early War British tanks

Let's Play War Thunder: Ground Warfare

If you like you can add me to your friends on War Thunder: Gamer_1745

This game is free to play. If you are interested in trying it out you can fallow the link below which should give you a bonus of some points (as well some for me):
http://warthunder.com/en/registration?r=userinvite_36793453