§ 18-106. Fire Signals.
   (1)   In case of fire on board ship or on a pier at which a ship is moored, an alarm shall be given by the ship, and by the pier if it has an alarm, by sounding 5 prolonged blasts of 4 to 5 seconds duration on a whistle or siren. Such signal shall be repeated at intervals and shall be used in addition to other means of reporting a fire. 7



   Source: 1949 Ordinances, p. 175.