@registerEvent(Vehicle, 'onHealthChanged')
def onHealthChanged(self, newHealth, attackerID, attackReasonID):
    global on_fire
    if self.isPlayerVehicle and data.data['isAlive']:
        data.onHealthChanged(self, newHealth, attackerID, attackReasonID)
        if (newHealth <= 0):
            on_fire = 0
            as_event('ON_FIRE')
    elif hasattr(BigWorld.player().inputHandler.ctrl, 'curVehicleID'):
        vId = BigWorld.player().inputHandler.ctrl.curVehicleID
        v = vId if isinstance(vId, Vehicle) else BigWorld.entity(vId)
        if (v is not None) and ((self.id == v.id) and not v.isAlive()):
            on_fire = 0
            as_event('ON_FIRE')