def METHOD_NAME(self):
    """
    request all aircrafts IDs from a runing server
    and new aircraft when they appear
    """
    def aircrafts_cb(sender, msg):
        ac_list = msg['ac_list']
        for ac_id in ac_list:
            self.get_config(ac_id)
        #ac_list = [int(a) for a in msg['ac_list'].split(',') if a]
        if self.verbose:
            print("aircrafts: {}".format(ac_list))
    self._ivy.send_request('ground', "AIRCRAFTS", aircrafts_cb)
    def new_ac_cb(sender, msg):
        ac_id = msg['ac_id']
        self.get_config(ac_id)
        if self.verbose:
            print("new aircraft: {}".format(ac_id))
    self._ivy.subscribe(new_ac_cb,PprzMessage('ground','NEW_AIRCRAFT'))