sorry for repeat, if...
1 fuel tanks, who explode if hit in them (i saw something like this in films of gun cameras)...
2 opening of parachute, when player wanted, that he not was killed, when bail out on high altitude (you know, because it's standart practice in online wars and what some pilots did in RL in ww2)...
3 damage of oil cooler and fan for fw190 from hits of 12.7 mm and 20 mm...