Aircraft Communications Addressing and Reporting System (ACARS) is a digital datalink system for transmission of short, relatively simple messages between aircraft and ground stations via radio or satellite. The protocol, which was designed by ARINC to replace their VHF voice service and deployed in 1978, uses telex formats. SITA later augmented their worldwide ground data network by adding radio stations to provide ACARS service. Over the next 20 years, ACARS will be superseded by the Aeronautical Telecommunications Network (ATN) protocol for Air Traffic Control communications and by the Internet Protocol for airline communications.
Read more about Aircraft Communications Addressing And Reporting System: History of ACARS, How It Works, Aircraft Equipment, Datalink Service Provider, Ground End System, ARINC Specifications, Acronyms and Glossary, GIS and Data Discovery
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