The Aeronautical Information Service , or AIS (French: Service de l'Information Aéronautique , SIA) is a service established in support of international civil aviation, whose objective is to ensure the flow of information necessary for the safety, regularity, and efficiency of international air navigation.
60-478: The manner in which aeronautical information is gathered and managed is governed by Annex 15 to the Convention on International Civil Aviation ( ICAO Annex 15), which defines how an aeronautical information service shall receive and/or originate, collate or assemble, edit, format, publish/store and distribute specified aeronautical information/data. The goal is to satisfy the need for uniformity and consistency in
120-475: A seamless global air traffic management system. ICAO has published standards for machine-readable passports . Machine-readable passports have an area where some of the information otherwise written in textual form is also written as strings of alphanumeric characters, printed in a manner suitable for optical character recognition , which enables border controllers and other law enforcement agents to process such passports more quickly without having to enter
180-542: A contracting State, on arrival in the territory of another contracting State and retained on board on leaving the territory of that State shall be exempt from customs duty, inspection fees or similar national or local duties and charges. This exemption shall not apply to any quantities or articles unloaded, except in accordance with the customs regulations of the State, which may require that they shall be kept under customs supervision. Article 29 : Before an international flight,
240-477: A direct party to ICAO, its government delegated Switzerland to enter into the treaty on its behalf, and the treaty is applicable in the territory of Liechtenstein. The Republic of China was a founding member of ICAO. Following its retreat to Taiwan , it was eventually replaced by the People's Republic of China as the legal representative of China in 1971. In 2013, Taiwan was for the first time invited to attend
300-638: A model of the standard variation of pressure , temperature , density , and viscosity with altitude in the Earth's atmosphere . This is useful in calibrating instruments and designing aircraft. The standardized pressure is also used in calibrating instruments in-flight, particularly above the transition altitude . ICAO is active in infrastructure management, including communication, navigation and surveillance / air traffic management (CNS/ATM) systems, which employ digital technologies (like satellite systems with various levels of automation) in order to maintain
360-407: A need for new corresponding AIS requirements for quality and timeliness of aeronautical information. The role of present AIS would need to transform to an information management service, changing duties, responsibilities and scope to satisfy these new requirements and to cope with and manage the provision of information. The definition of a future high-level view as to the shape, nature and content of
420-470: A strategy for the evolution from traditional product-centric AIS to the enlarged scope of data-centric aeronautical information management (AIM) began and ICAO took the lead at the global level with regard to the transition from AIS to AIM. The aeronautical information services must transition to a broader concept of aeronautical information management, with a different method of information provision and management given its data-centric nature as opposed to
480-583: A strictly operational and non-political point of view, I believe Taiwan should be there." The ICAO Council is elected by the Assembly every three years and consists of 36 members elected in three groups. The present council was elected in October 2022. The structure of the present Council is as follows: The Air Navigation Commission (ANC) is the ICAO Council technical executive body in charge of 17 of
540-453: A tweet stating that publishers of "irrelevant, compromising and offensive material" would be "precluded". Since that action, the organization has followed a policy of blocking anyone asking about it. The United States House Committee on Foreign Affairs harshly criticized ICAO's perceived failure to uphold principles of fairness, inclusion, and transparency by silencing non-disruptive opposing voices. Senator Marco Rubio also criticized
600-404: Is PAMR.) Not all airports are assigned codes in both systems; for example, airports that do not have airline service do not need an IATA code. ICAO also assigns three-letter airline codes versus the more-familiar two-letter IATA codes—for example, UAL vs. UA for United Airlines . ICAO also provides telephony designators to aircraft operators worldwide, a one- or two-word designator used on
660-729: Is a specialized agency of the United Nations that coordinates the principles and techniques of international air navigation, and fosters the planning and development of international air transport to ensure safe and orderly growth. The ICAO headquarters are located in the Quartier international de Montréal of Montreal , Quebec, Canada. The ICAO Council adopts standards and recommended practices concerning air navigation, its infrastructure, flight inspection , prevention of unlawful interference, and facilitation of border-crossing procedures for international civil aviation . ICAO defines
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#1732779523910720-787: Is pressing ahead with its plans to include aviation. ICAO has been called "flawed and biased in favour of the industry" by Jo Dardenne, the manager for aviation at Transport & Environment . On 6 October 2016, the ICAO finalized an agreement among its 191 member nations to address the more than 1000 million tonnes of carbon dioxide emitted annually by international passenger and cargo flights. The agreement will use an offsetting scheme called CORSIA (the Carbon Offsetting and Reduction Scheme for International Aviation) under which forestry and other carbon-reducing activities are directly funded, amounting to about 2% of annual revenues for
780-556: The Boeing 747 -100, -200 and -300 are given the type designators B741 , B742 and B743 respectively. Since 2010, ICAO recommends a unification of units of measurement within aviation based on the International System of Units (SI), using: Non-SI units have been permitted for temporary use since 1979, but a termination date has not yet been established, which would complete metrication of worldwide aviation, and
840-896: The International Air Transport Association (IATA), a trade association representing airlines ; the Civil Air Navigation Services Organisation (CANSO), an organization for air navigation service providers (ANSPs); and the Airports Council International , a trade association of airport authorities . In addition there are several regional civil aviation commissions, such as the Latin America Civil Aviation Commission (LACAC) who focus on challenges and growth in specific regions. The forerunner to ICAO
900-713: The United Nations Economic and Social Council (ECOSOC). The convention has since been revised eight times (in 1959, 1963, 1969, 1975, 1980, 1997, 2000 and 2006). As of March 2019, the Chicago Convention had 193 state parties, which includes all member states of the United Nations except Liechtenstein . The Cook Islands is a party to the Convention although it is not a member of the UN. The convention has been extended to cover Liechtenstein by
960-478: The 19 Annexes to the Chicago Convention. ANC develops and recommend ICAO minimal standards that are related to these Annexes. To review and/or finalize the ongoing developments the commission meets for three sessions per year. Each session normally considers a number of documents being developments of ANC expert Panels. The ANC is composed of nineteen commissioners nominated by ICAO States in various aviation domains. However, legally these commissioners do not represent
1020-406: The 2020 level, allowing unregulated growth until then. Only 65 nations will participate in the initial voluntary period, not including significant emitters Russia, India and perhaps Brazil. The agreement does not cover domestic emissions, which are 40% of the global industry's overall emissions. One observer of the ICAO convention made this summary: Airline claims that flying will now be green are
1080-552: The Chicago Convention itself. Although there are numerous bilateral agreements, so-called 'air services agreements', which make more extensive agreements, including often tax exemption when refueling an aircraft that has come from another contracting state, these are independent from the Chicago Convention; moreover, some air services agreements do allow for the taxation of fuels. International Civil Aviation Organization The International Civil Aviation Organization ( ICAO / ˌ aɪ ˈ k eɪ oʊ / eye- KAY -oh )
1140-474: The Chicago Convention, in Chicago , was signed by 52 countries on 7 December 1944. Under its terms, a Provisional International Civil Aviation Organization was to be established, to be replaced in turn by a permanent organization when twenty-six countries ratified the convention. PICAO began operating on 6 June 1945, replacing ICAN. The 26th country ratified the convention on 5 March 1947 and, consequently, PICAO
1200-709: The Convention on International Civil Aviation. Altitude, elevation, height. ICAO has a headquarters, seven regional offices, and one regional sub-office: Emissions from international aviation are specifically excluded from the targets agreed under the Kyoto Protocol . Instead, the Protocol invites developed countries to pursue the limitation or reduction of emissions through the International Civil Aviation Organization. ICAO's environmental committee continues to consider
1260-579: The ICAO Assembly, at its 38th session, as a guest under the name of " Chinese Taipei ". As of September 2019 , it has not been invited to participate again, due to renewed PRC pressure. The host government, Canada , supports Taiwan's inclusion in ICAO. Support also comes from Canada's commercial sector with the president of the Air Transport Association of Canada saying in 2019 that "It's about safety in aviation so from
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#17327795239101320-649: The ICAO code for Los Angeles International Airport is KLAX. Canada follows a similar pattern, where a prefix of C is usually added to an IATA code to create the ICAO code. For example, Calgary International Airport is YYC or CYYC. (In contrast, airports in Hawaii are in the Pacific region and so have ICAO codes that start with PH ; Kona International Airport 's code is PHKO. Similarly, airports in Alaska have ICAO codes that start with PA . Merrill Field , for instance
1380-488: The ICAO triennial conference to Doha was defeated by a vote of 22–14. In January 2020, ICAO blocked several Twitter users, including think-tank analysts, U.S. Congressional staff, and journalists, who mentioned Taiwan in tweets related to ICAO. Many of the tweets were related to the COVID-19 pandemic and Taiwan's exclusion from ICAO safety and health bulletins due to pressure from China . In response, ICAO issued
1440-622: The International Flight Network, Philbin refused to acknowledge the existence of Taiwan. On 1 February 2020, the United States Department of State issued a press release heavily criticizing ICAO's actions, characterizing them as "outrageous, unacceptable, and not befitting of a UN organization." The 9th edition of the Convention on International Civil Aviation includes modifications from years 1948 up to 2006. ICAO refers to its current edition of
1500-649: The Kyoto targets agreed by countries. This has led to some national policies such as fuel and emission taxes for domestic air travel in the Netherlands and Norway , respectively. Although some countries tax the fuel used by domestic aviation, there is no duty on kerosene used on international flights. ICAO is currently opposed to the inclusion of aviation in the European Union Emission Trading Scheme (EU ETS). The EU , however,
1560-456: The SI": the foot (for vertical distance = altitude ), the knot (for speed ), and the nautical mile (for long distance). Article 24 of the Chicago Convention stipulates that when flying from one contracting state to another, the kerosene that is already on board aircraft may not be taxed by the state where the aircraft lands, nor by a state through whose airspace the aircraft has flown. This
1620-637: The State has air traffic control or other responsibilities. Despite the age of the Internet, satellite navigation and computer networks, the approach to aeronautical information distribution is still based on paper charts, paper documentation and telex-based text messages. Much of the data is entered more than once in different computers using a keyboard rather than by file transfer or database transactions. The computer-based navigation systems, and area navigation (RNAV), required navigation performance (RNP) and air traffic management requirements, introduced
1680-717: The US, FAA practices require the digits of the flight number to be spoken in group format ("Japan Air One Eleven" in the above example) while individual digits are used for the aircraft tail number used for unscheduled civil flights. ICAO maintains the standards for aircraft registration , including the alphanumeric codes that identify the country of registration. ICAO is also responsible for issuing two to four character alphanumeric aircraft type designators for those aircraft types which are most commonly provided with air traffic service. These codes provide an abbreviated aircraft type identification, typically used in flight plans . For example,
1740-775: The airline industry, such as the Aeronautical Message Handling System (AMHS). This makes it a standards organization . Each country should have an accessible Aeronautical Information Publication (AIP), based on standards defined by ICAO, containing information essential to air navigation . Countries are required to update their AIP manuals every 28 days and so provide definitive regulations, procedures and information for each country about airspace and airports. ICAO's standards also dictate that temporary hazards to aircraft must be regularly published using NOTAMs . ICAO defines an International Standard Atmosphere (also known as ICAO Standard Atmosphere),
1800-458: The code LFPO (the 3rd letter sometimes refers to the particular flight information region (FIR) or the last two may be arbitrary). In most parts of the world, ICAO and IATA codes are unrelated; for example, Charles de Gaulle Airport has an IATA code of CDG. However, the location prefix for the continental United States is K , and ICAO codes are usually the IATA code with this prefix. For example,
1860-529: The convention as the Statute and designates it as ICAO Document 7300/9. The convention has 19 Annexes that are listed by title in the article Convention on International Civil Aviation . As of April 2019 , there are 193 ICAO members, consisting of 192 of the 193 UN members (all but Liechtenstein , which lacks an international airport), plus the Cook Islands . Despite Liechtenstein not being
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1920-506: The deal was mixed. The agreement has critics. It is not aligned with the 2015 Paris climate agreement, which set the objective of restricting global warming to 1.5 to 2 °C. A late draft of the agreement would have required the air transport industry to assess its share of global carbon budgeting to meet that objective, but the text was removed in the agreed version. CORSIA will regulate only about 25 percent of aviation's international emissions, since it grandfathers all emissions below
1980-488: The direction of the ANC through the formal process of ICAO Panels. Once approved by the commission, standards are sent to the council, the political body of ICAO, for consultation and coordination with the member states before final adoption. ICAO is distinct from other international air transport organizations, particularly because it alone is vested with international authority (among signatory states): other organizations include
2040-445: The flight crew suitably licensed by the state in which the aircraft is registered. Article 32 : The pilot and crew of every aircraft engaged in international aviation must have certificates of competency and licensees issued or validated by the state in which the aircraft is registered. Article 33 : (Recognition of Certificates and Licences) Certificates of airworthiness, certificates of competency and licensees issued or validated by
2100-650: The following list may not be complete: Convention on International Civil Aviation The Convention on International Civil Aviation , also known as the Chicago Convention , established the International Civil Aviation Organization (ICAO), a specialized agency of the United Nations charged with coordinating international air travel. The Convention establishes rules of airspace , aircraft registration and safety , security, and sustainability , and details
2160-1165: The following units are still in widespread use within commercial aviation: inches of mercury are used in Japan and North America to measure pressure, although sometimes METAR at Japanese airports show only hPa . Aviation in Russia and China currently use km/h for reporting airspeed, and many present-day European glider planes also indicate airspeed in kilometres per hour. China and North Korea use metres for reporting altitude when communicating with pilots. Russia also formerly used metres exclusively for reporting altitude, but in 2011 changed to feet for high altitude flight. From February 2017, Russian airspace started transitioning to reporting altitude in feet only. Runway lengths are now commonly given in metres worldwide, except in North America where feet are commonly used. The following table summarizes units commonly used in flight and ground operations and their recommended replacement. A full list of recommended units can be found in annex 5 to
2220-498: The information manually into a computer. ICAO's technical standard for machine-readable passports is contained in Document 9303 Machine Readable Travel Documents . A more recent standard covers biometric passports . These contain biometrics to authenticate the identity of travellers. The passport's critical information is stored on a tiny RFID computer chip, much like information stored on smart cards . Like some smart cards,
2280-401: The interest of their State or any particular State or region. They have to conduct independently in the interest of the entire international civil aviation community. Additionally, several other representatives from ICAO States and up to eight members from the civil aviation industry may be invited to take part in ANC meetings as observers. ICAO also standardizes certain functions for use in
2340-559: The move. The Ministry of Foreign Affairs (Taiwan) (MOFA) and Taiwanese legislators criticized the move with MOFA head Jaushieh Joseph Wu tweeting in support of those blocked. In January 2020, Anthony Philbin, Chief of Communications for the ICAO Secretary General, defended ICAO's actions, stating, 'We felt completely justified in taking steps to protect the integrity of the information and discussions that our followers reasonably expect from our feeds.' In exchanges with
2400-718: The original Standards and Recommended Practices in 1953. Annex 15 has its origins in Article 37 of the Chicago Convention . A total of 42 amendments updated Annex 15 over the years to meet the rapid changes brought about by air travel and associated information technology. In recent years, Annex 15 amendments have reflected the increased need for the timely provision of quality aeronautical information/data and terrain data as they have become critical components of data-dependent on-board navigation systems . The Annex now contains many provisions aimed at preventing corrupt or erroneous aeronautical information/data which can potentially affect
2460-540: The passport book design calls for an embedded contactless chip that is able to hold digital signature data to ensure the integrity of the passport and the biometric data. Both ICAO and IATA have their own airport and airline code systems. ICAO uses 4-letter airport codes (vs. IATA's 3-letter codes ). The ICAO code is based on the region and country of the airport—for example, Charles de Gaulle Airport has an ICAO code of LFPG, where L indicates Southern Europe, F , France, PG , Paris de Gaulle, while Orly Airport has
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2520-689: The permission of the state or states whose territory is entered. Any license holder who does not satisfy international standard relating to that license or certificate shall have attached to or endorsed on that license information regarding the particulars in which he does not satisfy those standards. The convention is supported by nineteen annexes containing standards and recommended practices ( SARPs ). The annexes are amended regularly by ICAO and are as follows: Annex 5, Units of Measurement to be Used in Air and Ground Operations , named in its Table 3-3 three "non- SI alternative units permitted for temporary use with
2580-428: The pilot in command must ensure that the aircraft is airworthy, duly registered and that the relevant certificates are on board the aircraft. The required documents are: Article 30 : The aircraft of a state flying in or over the territory of another state shall only carry radios licensed and used in accordance with the regulations of the state in which the aircraft is registered. The radios may only be used by members of
2640-405: The potential for using market-based measures such as trading and charging, but this work is unlikely to lead to global action. It is currently developing guidance for states who wish to include aviation in an emissions trading scheme (ETS) to meet their Kyoto commitments, and for airlines who wish to participate voluntarily in a trading scheme. Emissions from domestic aviation are included within
2700-494: The product-centric nature of AIS. The expectations are that the transition to AIM will not involve many changes in terms of the scope of information to be distributed. The major change will be the increased emphasis on data distribution, which should place the future AIM in a position to better serve airspace users and air traffic management in terms of their information management requirements. Not all contracting states of ICAO provide an online Aeronautical Information Service, and
2760-583: The protocols for air accident investigation that are followed by transport safety authorities in countries signatory to the Convention on International Civil Aviation . The Air Navigation Commission (ANC) is the technical body within ICAO. The commission is composed of 19 commissioners, nominated by the ICAO's contracting states and appointed by the ICAO Council. Commissioners serve as independent experts, who although nominated by their states, do not serve as state or political representatives. International Standards and Recommended Practices are developed under
2820-404: The provision of aeronautical information/data that is required for operational use by international civil aviation. ICAO Annex 15 specifies that aeronautical information should be published as an integrated aeronautical information package (IAIP), composed of the following elements: Each element is used to distribute specific types of aeronautical information. The ICAO Council first adopted
2880-457: The radio, usually, but not always, similar to the aircraft operator name. For example, the identifier for Japan Airlines International is JAL and the designator is Japan Air , but Aer Lingus is EIN and Shamrock . Thus, a Japan Airlines flight numbered 111 would be written as "JAL111" and pronounced "Japan Air One One One" on the radio, while a similarly numbered Aer Lingus would be written as "EIN111" and pronounced "Shamrock One One One". In
2940-500: The ratification of Switzerland . Some important articles are: Article 1 : Every state has complete and exclusive sovereignty over airspace above its territory. Article 3 bis : Every other state must refrain from resorting to the use of weapons against civil aircraft in flight. Article 5 : The aircraft of states, other than scheduled international air services , have the right to make flights across state's territories and to make stops without obtaining prior permission. However,
3000-414: The rights of the signatories in relation to air travel . The convention also contains provisions pertaining to taxation. The document was signed on December 7, 1944, in Chicago by 52 signatory states. It received the requisite 26th ratification on March 5, 1947, and went into effect on April 4, 1947, the same date that ICAO came into being. In October of the same year, ICAO became a specialized agency of
3060-435: The safety of air navigation. The philosophy underlying Annex 15, which stems from Article 28 of the Convention on International Civil Aviation , is that each State is responsible for making available to civil aviation interests any and all information which is pertinent to and required for the operation of aircraft engaged in international civil aviation within its territory, as well as in areas outside its territory in which
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#17327795239103120-414: The sector. Rules against 'double counting' should ensure that existing forest protection efforts are not recycled. The scheme did not take effect until 2021 and will be voluntary until 2027, but many countries, including the US and China, have promised to begin at its 2020 inception date. Under the agreement, the global aviation emissions target is a 50% reduction by 2050 relative to 2005. NGO reaction to
3180-415: The state in which the aircraft is registered, shall be recognized as valid by other states. The requirements for the issuing of those certificates or airworthiness, certificates of competency or licensees must be equal to or above the minimum standards established by the convention. Article 40 : No aircraft or personnel with endorsed licenses or certificate will engage in international navigation except with
3240-421: The state may require the aircraft to make a landing. Article 6 : (Scheduled air services) No scheduled international air service may be operated over or into the territory of a contracting State, except with the special permission or other authorization of that State. Article 10 : (Landing at customs airports): The state can require that landing to be at a designated customs airport and similarly departure from
3300-512: The territory can be required to be from a designated customs airport. Article 12 : Each state shall keep its own rules of the air as uniform as possible with those established under the convention, the duty to ensure compliance with these rules rests with the contracting state. Article 13 : (Entry and Clearance Regulations) A state's laws and regulations regarding the admission and departure of passengers, crew or cargo from aircraft shall be complied with on arrival, upon departure and whilst within
3360-479: The territory of that state. Article 16 : The authorities of each state shall have the right to search the aircraft of other states on landing or departure, without unreasonable delay. Article 24 : Aircraft on a flight to, from, or across the territory of another contracting State shall be admitted temporarily free of duty, subject to the customs regulations of the State. Fuel, lubricating oils, spare parts, regular equipment and aircraft stores on board an aircraft of
3420-537: Was disestablished on 4 April 1947 and replaced by ICAO, which began operations the same day. In October 1947, ICAO became an agency of the United Nations under its Economic and Social Council (ECOSOC). In April 2013, Qatar offered to serve as the new permanent seat of the Organization. Qatar promised to construct a massive new headquarters for ICAO and to cover all moving expenses, stating that Montreal "was too far from Europe and Asia", "had cold winters",
3480-478: Was hard to attend due to the Canadian government's slow issuance of visas, and that the taxes imposed on ICAO by Canada were too high. According to The Globe and Mail , Qatar's invitation was at least partly motivated by the pro-Israel foreign policy of Canadian Prime Minister Stephen Harper . Approximately a month later, Qatar withdrew its bid after a separate proposal to the ICAO's governing council to move
3540-468: Was intended to prevent double taxation. However, there is no tax regulation in the Chicago Convention to refuelling the aircraft before departure. The Chicago Convention does not preclude a kerosene tax on domestic flights and on refueling before international flights. Although the ICAO has produced various policy documents suggesting that no taxes of any kind should be placed on aviation fuel, none of these are legally binding, and they are not found in
3600-730: Was the International Commission for Air Navigation (ICAN). It held its first convention in 1903 in Berlin , Germany , but no agreements were reached among the eight countries that attended. At the second convention in 1906, also held in Berlin, twenty-seven countries attended. The third convention, held in London in 1912, allocated the first radio callsigns for use by aircraft. ICAN continued to operate until 1945. The Convention on International Civil Aviation , also known as
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