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24-567: The company is a fully owned subsidiary of SITA , originally incorporated as OnAir as a joint venture with Airbus in February 2005. In February 2013, Airbus sold its 33% final stake to SITA. The company is headquartered in Geneva , Switzerland , and sales offices in London , Singapore and Dubai . SITAONAIR offers services which aircraft operators can use together or separately: All three services share

48-459: A backhaul link to the ground through Inmarsat's SwiftBroadband geostationary satellite constellation operating in the L band around 1500 MHz which allows the use of electronically steerable antennas mounted atop the aircraft fuselage and encased within a fiberglass, RF-transparent radome that have a low profile compared to systems operating in the K u band or K a band which today still require mechanically steerable antennas with

72-407: A PDN generally includes a guaranteed bandwidth, known as the committed information rate (CIR). Costs for the access depend on the guaranteed rate. PDN providers differ in how they charge for temporary increases in required bandwidth (known as surges). Some use the amount of overrun; others use the surge duration. A public switched data network ( PSDN ) is a network for providing data services via

96-417: A fully owned SITA subsidiary at the start of 2022, as an IT company working solely in the air cargo industry, providing services for carriers and distributors. In November 2011, CHAMP acquired TRAXON Europe, an electronic air cargo company, in order to prepare for new International Air Transport Association (IATA) initiatives such as IATA e-freight and Cargo iQ. Aviareto is a joint venture between SITA and

120-413: A significantly higher profile. Thus drag and fuel costs are reduced allowing economical operation even on smaller aircraft like business or regional jets. Inmarsat's SwiftBroadband system covers much of the planet except for the polar regions above −82 and below +82 degrees latitude and currently provides symmetric data rates of up to 432 kbit/s per channel dependent on signal quality and overall load on

144-435: A system of multiple wide area networks , similar in concept to the public switched telephone network (PSTN). A PSDN may use a variety of switching technologies, including packet switching , circuit switching , and message switching . A packet-switched PSDN may also be called a packet-switched data network. Originally the term PSDN referred only to Packet Switch Stream (PSS), an X.25 -based packet-switched network in

168-470: Is a data transmission service that is established and operated by a telecommunication administration , or a recognized private operating agency, and uses a public data network . A public data transmission service may include Circuit Switched Data , packet-switched , and leased line data transmission. Public packet switching networks came into operation in the 1970s. The first were RETD in Spain, in 1972;

192-527: Is a network established and operated by a telecommunications administration, or a recognized private operating agency, for the specific purpose of providing data transmission services for the public. The first public packet switching networks were RETD in Spain (1972), the experimental RCP network in France (1972) and Telenet in the United States (1975). "Public data network" was the common name given to

216-589: Is owned by members of the air transport industry, who make up the SITA Board and SITA Council. The company has the remit of working with the air transport community for the benefit of all members. This includes cooperation with industry bodies, such as IATA , ACI and regional associations, aiming to solve common industry issues through the use of IT and telecommunication services, through development of community systems, industry standards and shared infrastructures for aviation. SITA also produces industry surveys including

240-624: The FAA , plus AAAE , ACC , Association of European Airlines , CANSO , OpenTravel Alliance , ITU , the World Customs Organization and the World Trade Organization . The Working Groups SITA is involved in include IATA Type X, IATA Common Use, ATA e-Business, ICAO AFSG, ACI ACRIS and Eurocontrol SWIM. Examples of standards include: The company's achievements include: Public data network A public data network ( PDN )

264-890: The Irish government . Aviareto and the International Civil Aviation Organization (ICAO), the Supervisory Authority of the International Registry, agreed that Aviareto would establish and operate the International Registry of Mobile Assets. SITA's services include: SITA's shared infrastructures include systems for passenger processing. SITA works with around 20 industry bodies and standards committees to set standards. The company has approximately 40 participants in 55 different Standards Setting Working Groups. The organizations SITA works with include IATA , Air Cargo Inc. , Airlines for America , ICAO and

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288-401: The 1980s and into the 1990s. The networks later provided the infrastructure for the early Internet . In communications, a PDN is a circuit- or packet-switched network that is available to the public and that can transmit data in digital form. A PDN provider is a company that provides access to a PDN and that provides any of X.25 , Frame Relay , or cell relay ( ATM ) services. Access to

312-552: The Air Transport IT Insights, Passenger IT Insights, as well as working jointly with IATA on the industry’s Baggage Report. Launched in 2005 as OnAir, SITA FOR AIRCRAFT today provides Digital Day of Operations, Cabin Connectivity Services, and Unified Aircraft Communication. OnAir combined with SITA's Aircraft business in 2015 and is now SITA FOR AIRCRAFT but was previously known as SITA ONAIR . CHAMP became

336-680: The EEC in 1979, Packet Switch Stream in the United Kingdom in 1980, and AUSTPAC in Australia in 1982. Iberpac in Spain adopted X.25 in the 1980s. Tymnet and CompuServe in the United States also adopted X.25. The International Packet Switched Service (IPSS) was the first commercial and international packet-switched network. It was a collaboration between British and American telecom companies that became operational in 1978. The SITA Data Transport Network for airlines adopted X.25 in 1981, becoming

360-509: The PSDN, such as Integrated Services Digital Network (ISDN) and the digital subscriber line (DSL) technologies, they are not examples of it. ISDN utilizes the PSTN circuit-switched network, and DSL uses point-to-point circuit switching communications overlaid on the PSTN local loop (copper wires), usually utilized for access to a packet-switched broadband IP network. A public data transmission service

384-481: The United Kingdom, mostly used to provide leased-line connections between local area networks and the Internet using permanent virtual circuits (PVCs). Today, the term may refer not only to Frame Relay and Asynchronous Transfer Mode (ATM), both providing PVCs, but also to Internet Protocol (IP), GPRS , and other packet-switching techniques. Whilst there are several technologies that are superficially similar to

408-902: The air transport industry. The company provides its services to around 400 members and 2,500 customers worldwide, which it claims is about 90% of the world's airline business. Around the world, nearly every passenger flight relies on SITA technology. SITA or Société Internationale de Télécommunications Aéronautiques , was founded in February 1949 by eleven airlines in order to bring about shared infrastructure cost efficiency by combining their communications networks. The eleven original airlines were: British European Airways Corporation (BEAC), British Overseas Airways Corporation (BOAC), British South American Airways (BSAA), KLM , Sabena , Swissair , TWA , Swedish A.G.Aerotransport, Danish Air Lines , Norwegian Air Lines and Air France . SITA opened its first telecommunications centre in Rome in 1949. Information

432-450: The collection of X.25 providers, the first of which were Telenet in the U.S. and DATAPAC in Canada (both in 1976), and Transpac in France (in 1978). The International Packet Switched Service (IPSS) was the first commercial and international packet-switched network (1978). The networks were interconnected with gateways using X.75 . These combined networks had large global coverage during

456-579: The experimental RCP in France, also in 1972; Telenet in the United States, which began operation with proprietary protocols in 1975; EIN in the EEC in 1976; and EPSS in the United Kingdom in 1976 (in development since 1969). Telenet adopted X.25 protocols shortly after they were published in 1976 while DATAPAC in Canada was the first public data network specifically designed for X.25, also in 1976. Many other PDNs adopted X.25 when they came into operation, including Transpac in France in 1978, Euronet in

480-564: The same satellite connection to the ground. SITAONAIR (then OnAir) was the first company to provide integrated GSM and inflight wifi services, with Oman Air as the launch airline in March 2010. SITAONAIR's technology has been certified for use on many types of aircraft – both private and commercial jets including Boeing and Airbus – for short and long haul. In most cases, it is available for linefit or retrofit. A satellite data unit (SDU) manufactured by Thales and branded TopConnect establishes

504-535: The satellite's spotbeam serving the corresponding geographical area. Currently the Thales SDU can bond two channels resulting in a maximum bandwidth of 864 kbit/s. SITAONAIR was appointed as distribution partner for Inmarsat's Global Xpress service in November 2011. SITA (business services company) SITA is a multinational information technology company providing IT and telecommunication services to

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528-742: The world's "largest" public data network . In 1989 computer reservations systems, aerospace manufacturers, tour operators, airfreight forwarders, airport authorities, and other organizations in the air transport industry began joining SITA as members. The company today provides infrastructure and communication services for the air transport industry, having evolved from its early days of providing only network-related services. SITA presently operates in over two hundred countries and territories, and its customers include airlines, airports, airfreight — international freight forwarders, travel and distribution — global distribution systems, governments, aerospace, ground handlers and air traffic control. SITA

552-415: The world's most extensive packet-switching network. The networks were interconnected with gateways using X.75 . These combined networks had large global coverage during the 1980s and into the 1990s. Over time, other packet-switching technologies, including Frame Relay (FR) and Asynchronous Transfer Mode (ATM) gradually replaced X.25. Many of these networks later adopted TCP/IP and provided

576-471: Was manually transmitted using perforated tape and teleprinters. This was the 'first generation' of the network. The 'second generation' SITA High-Level Network (HLN) became operational in 1969, handling data traffic in real time via a message-switched network over common carrier leased lines . It was organised to act like a packet-switching network. The 'third generation' Data Transport Network adopted X.25 in 1981, providing global coverage and becoming

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