On the finale of dead air clear all zombies do not alert horde till you do this..... go to the turret and bud wack it for 5-10 minutes it should be bouncy go to the side were you can see the plane wing then aim for it then jump on the turret if you jump in the rong spot u will die or be downed (incapated) this glitch is good because only smokers can reach u so stand in da middle of da plane then kepp hitting and spinning. the glitch happens oon the saftey plane so grab a pipe bom throw it when ya get down to get in and run!!!!!!!!!!! have fun my gamer tag is hillbbilliee so send me a friend request and we will play some time.