I remember other nice feature, but for Frogs. It was really funny flying low - let's say up to 12 meters - and sweeping Shkval around. At the background of the sky plane was easily visible and lockable.
Enemy pilot clearly saw you on his own radar and it was really funny seeing his missiles firing... first, second, third... while you fire 2 Vikhrs and boom :D He's dead.
But that was fight against ground and mostly successful if there were no other planes around at your six.