A mobile service between aeronautical stations and aircraft stations, or between aircraft stations, in which survival craft stations may participate; emergency position- indicating radio beacon stations may also participate in this service on designated distress and emergency frequencies.

  1. AMS may be further divided & defined into
  2. Aeronautical mobile (R) service An aeronautical mobile service reserved for communications relating to safety and regularity of flight, primarily along national or international civil air routes.
  3. Aeronautical mobile (OR) service 

    An aeronautical mobile service intended for communications, including those relating to flight coordination, primarily outside national or international civil air routes.
  4. Aeronautical mobile-satellite service 

    A mobile-satellite service in which mobile earth stations are located on board aircraft; survival craft stations and emergency position-indicating radiobeacon stations may also participate in this service.
  5. Aeronautical mobile-satellite (R) service 

    An aeronautical mobile- satellite service reserved for communications relating to safety and regularity of flights, primarily along national or international civil air routes.
  6. Aeronautical mobile-satellite (OR) service 

    An aeronautical mobile- satellite service intended for communications, including those relating to flight coordination, primarily outside national and international civil air routes.
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