Unlocked pilot immortality

[MrHemlocks]

While playing online I unlocked something called Pilot Immortality...now what does it do ???

[IamKFAM]

It inflates your ego, a little bit. It's a trophy/acheivement. What do any of them do?

[Ancient Seraph]

While playing online I unlocked something called Pilot Immortality...now what does it do ???

I'm guessing you mean the Immortal Pilot Achievement/Trophy (Xbox/PS3) ;). It just means you got a 5-kill streak without dying. You can view the achievements here (http://forum.1cpublishing.eu/showthread.php?t=9665).