§  87.275   Scope of service.

   Aeronautical fixed stations provide non-public point-to-point
   communications service pertaining to safety, regularity and economy of
   flight. These stations must transmit, without discrimination, messages
   from aircraft which have entered into cooperative arrangements
   governing the operation and maintenance of such stations. Aeronautical
   fixed station licensees are required to transmit, without charge or
   discrimination, all emergency communications.