WThe aeronautical fixed service (AFS) is a telecommunication service between specified fixed points provided primarily for the safety of air navigation and for the regular, efficient and economical operation of air services. The AFS is provided by voice and data networks, including AFTN, AMHS and CIDIN.
WAeronautical mobile (OR) service is – according to Article 1.34 of the International Telecommunication Union's (ITU) Radio Regulations (RR) – defined as «An aeronautical mobile service intended for communications, including those relating to flight coordination, primarily outside national or international civil air routes.»See also
WAeronautical mobile (R) service is – according to Article 1.33 of the International Telecommunication Union's (ITU) Radio Regulations (RR) – defined as «An aeronautical mobile service reserved for communications relating to safety and regularity of flight, primarily along national or international civil air routes.»
WAeronautical mobile service is – according to Article 1.32 of the International Telecommunication Union's (ITU) Radio Regulations (RR) – defined as "A mobile service between aeronautical stations and aircraft stations, or between aircraft stations, in which survival craft stations may participate; emergency position-indicating radiobeacon stations may also participate in this service on designated distress and emergency frequencies."
WAeronautical mobile-satellite (OR)°° service is – according to Article 1.37 of the International Telecommunication Union's (ITU) Radio Regulations (RR) – defined as «An aeronautical mobile-satellite service reserved for communications relating to safety and regularity of flights, primarily outside national or international civil air routes.»See also
WAeronautical mobile-satellite (R)° service is – according to Article 1.36 of the International Telecommunication Union's (ITU) Radio Regulations (RR) – defined as «An aeronautical mobile-satellite service reserved for communications relating to safety and regularity of flights, primarily along national or international civil air routes.»See also
WAeronautical mobile-satellite service is – according to Article 1.35 of the International Telecommunication Union's (ITU) Radio Regulations (RR) – defined as «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. . »See also
WIn aviation, ACARS is a digital datalink system for transmission of short messages between aircraft and ground stations via airband radio or satellite. The protocol was designed by ARINC and deployed in 1978, using the Telex format. More ACARS radio stations were added subsequently by SITA.
WAn aircraft station is – according to Article 1.83 of the International Telecommunication Union´s (ITU) ITU Radio Regulations (RR) – defined as "A mobile radio station in the aeronautical mobile service, other than survival craft station, located on board an aircraft".