§  80.1175   Scope of communications of on-board stations.

   (a) On-board stations communicate:

   (1) With other units of the same station for operational communications
   on the ship.

   (2) With on-board stations of another ship or shore facility to aid in
   oil pollution prevention during the transfer of 250 or more barrels of
   oil.

   (3) With other units of the same station in the immediate vicinity of
   the ship for operational communications related to docking, life boat
   and emergency drills or in the maneuvering of cargo barges and
   lighters.

   (b) An on-board station may communicate with a station in the Business
   Radio Service operating on the same frequency when the vessel on which
   the on-board station is installed is alongside the dock or cargo
   handling facility.