§  80.505   Points of communication.

   (a) Private coast stations and marine utility stations are authorized
   to communicate:

   (1) With any mobile station in the maritime mobile service for the
   exchange of safety communications;

   (2) With any land station for the purpose of aiding the exchange of
   safety communications;

   (3) With ship stations.

   (b) Private coast stations of the same licensee may be authorized to
   communicate on a secondary basis between themselves if:

   (1) The communications are confined exclusively to those for which
   authority has been granted the coast station, and concerns ships with
   which one or both of the coast stations are authorized to communicate;
   and

   (2) Other satisfactory point-to-point communication facilities between
   the coast stations are unavailable; and

   (3) Coast stations which communicate with each other are not more than
   160 km (100 miles) apart; and

   (4) Harmful interference is not cause to mobile stations.

   (c) A private coast station and associated marine utility stations
   serving and located on a shipyard regularly engaged in construction or
   repair of commercial transport vessels or Government vessels are
   authorize to communicate between stations when they are licensed to the
   same entity and communications are limited to serving the needs of
   ships on a non-interference basis to other stations in the maritime
   mobile service. A separate showing is required.