* ICAO Aircraft and Manufacturer Codes – Doc 8643

* Airport IATA / ICAO Designator / Code Database Search ( from Aviation Codes Central Web Site-Regular Updates )

Antarctic airports are subject to severe restrictions and limitations resulting from extreme seasonal and geographic conditions ; they do not meet ICAO standards, and advance approval from the respective governmental or nongovernmental operating organization is required for landing ( 1999 est.

* ASH, ICAO code for Mesa Airlines

Bank for International Settlements, Council of Europe, Central European Initiative, EBRD, United Nations Economic Commission for Europe, FAO, Group of 77, IAEA, IBRD, ICAO, International Criminal Court, International Development Association, IFAD, International Finance Corporation, IFRCS, ILO, International Monetary Fund, International Maritime Organization, Interpol, IOC, International Organization for Migration ( observer ), ISO, ITU, Non-Aligned Movement ( guest ), Organization of American States ( observer ), OIC ( observer ), OPCW, Organization for Security and Co-operation in Europe, Southeast European Cooperative Initiative, United Nations, UNCTAD, UNESCO, UNIDO, UNMEE, UPU, WHO, WIPO, WMO, WToO, WTrO ( observer )

In January 2011 the U. S. Federal Aviation Administration ( FAA ) assessed the Government of Croatia's Civil Aviation Authority announcing that Croatia complied with International Civil Aviation Organization ( ICAO ) aviation safety standards for oversight of Croatia's air carrier operations.

* CPD is the ICAO airline designator for Capital Airlines Limited ( Kenya )

* GIA, the ICAO code for Garuda Indonesia

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.

In addition, the ICAO defines the protocols for air accident investigation followed by transport safety authorities in countries signatory to the Convention on International Civil Aviation, commonly known as the Chicago Convention.

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.

The ICAO should not be confused with the International Air Transport Association ( IATA ), a trade organization for airlines also headquartered in Montreal, or with the Civil Air Navigation Services Organisation ( CANSO ), an organization for Air Navigation Service Providers ( ANSPs ) with its headquarters at Amsterdam Airport Schiphol in the Netherlands.

The forerunner to the ICAO was the International Commission for Air Navigation ( ICAN ).

The ICAO also standardizes certain functions for use in the airline industry, such as the Aeronautical Message Handling System ( AMHS ), making it a standards organization.

ICAO publishes Doc 9303 – Machine Readable Travel Documents, the technical standard for machine-readable passports.

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 the code LFPO ( the 3rd letter sometimes refers to the particular flight information region ( FIR ) or the last two may be arbitrary ).

In most of the world, the ICAO and IATA codes are unrelated ; for example, Charles de Gaulle Airport has an IATA code of CDG and Orly, ORY.

However, the location prefix for continental United States is K and the ICAO codes are usually the IATA code with this prefix — for example, the ICAO code for LAX is KLAX.

These are trade associations representing specific aviation interests, whereas ICAO is a body of the United Nations.

As of November 2011, there are 191 ICAO members, consisting of 190 of the 193 UN members ( all but Dominica, Liechtenstein, and Tuvalu ), plus the Cook Islands.

( 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.

* UK are the first two letters indicating the ICAO code of the airports, airfields or air bases of Ukraine

Airports are uniquely represented by their IATA airport code and ICAO airport code.

Although genus types with vertical extent are often considered a single family, the International Civil Aviation Organization ( ICAO ) further distinguishes towering vertical clouds as a separate group by specifying that these very large cumuliform and cumulonimbiform types must be identified by their standard names or abbreviations in all aviation observations ( METARS ) and forecasts ( TAFS ) to warn pilots of possible severe weather and turbulance.

Pursuant to requirements of the International Civil Aviation Organization ( ICAO ), ATC operations are conducted either in the English language or the language used by the station on the ground .< ref name =" IDAO FAQ ">

To eliminate wide variations in pronunciation, recordings and posters illustrating the pronunciation desired by the ICAO are available.

However, there are still differences in pronunciation between the ICAO and other agencies, and the ICAO has conflicting Roman-alphabet and IPA transcriptions.

Croydon Airport ( ICAO: < strike > EGCR </ strike >) was an airport in South London which straddled the boundary between what are now the London boroughs of Croydon and Sutton.

The town's local aviation needs are served by Buckeye Municipal Airport ( ICAO identifier KBXK ), which is owned and operated by the town government.

Commercial flights are serviced through Jackson Hole Airport ( IATA: JAC, ICAO: KJAC, FAA LID: JAC ) in Jackson, WY, or through Idaho Falls Airport ( IATA: IDA, ICAO: KIDA, FAA LID: IDA ) in Idaho Falls, ID.

Standard and recommended practices for the air traffic management based on a global navigation satellite system are developed by ICAO ( International Civil Aviation Organization ).

The United Nations, its subsidiary bodies, thirteen of the specialized agencies ( ILO, FAO, UNESCO, WHO, ICAO, UPU, ITU, WMO, IMO, WIPO, IFAD, UNDIO, and UNWTO ), and one related body ( IAEA ) are part of the United Nations common system of salaries, allowances, and benefits administered by the International Civil Service Commission.

) are recommended in both ICAO and FAA documents but are rarely deployed due to the high cost relative to the rest of the lighting system.

This airport IATA Airport Code used to be NGO ( now overtaken by the new Centrair airport ), and its ICAO Airport Code used to be RJNN when it was classified as a second class airport ; the new designations are NKM for regional flights and RJNA designation for general aviation flights.

According to the International Civil Aviation Organization ( ICAO ) a runway is a " defined rectangular area on a land aerodrome prepared for the landing and takeoff of aircraft ".

International Civil Aviation Organization ( ICAO ) Standard and Recommended Practice ( SARP ) applies only to twins and defines ETOPS as " Extended-range Twin-engine Operational Performance Standards ".

The international standard for PAPI is published by the International Civil Aviation Organisation ( ICAO ) in " Aerodromes, Annex 14 to the Convention on International Civil Aviation, Volume 1, Chapter 5 ".

Because only the first five " freedoms " have been officially recognised by international treaties, the ICAO considers the remaining " freedoms " " so-called ".

Brindabella has no registered ICAO code allocated, but it is authorised by Airservices Australia to use the designator " BR " for its flights instead of using aircraft registrations or its IATA code of " FQ ".

Codes can be used for brevity.

However, some states like California have civil procedure systems which deviate significantly from the federal rules ; the California Codes provide for four separate types of class actions.

Some examples of FIPS Codes for geographical areas include FIPS 10-4 for country codes or region codes and FIPS 5-2 for state codes.

Hundreds of thousands of persons were arrested and sentenced to long prison terms on the grounds of one of the multiple passages of the notorious Article 58 of the Criminal Codes of the Union republics, which defined punishment for various forms of " counterrevolutionary activities.

The official name of the standard is Codes for the representation of names of countries and their subdivisions.

* ISO 3166-1, Codes for the representation of names of countries and their subdivisions – Part 1: Country codes, defines codes for the names of countries, dependent territories, and special areas of geographical interest.

* ISO 3166-2, Codes for the representation of names of countries and their subdivisions – Part 2: Country subdivision code, defines codes for the names of the principal subdivisions ( e. g., provinces or states ) of all countries coded in ISO 3166-1.

* ISO 3166-3, Codes for the representation of names of countries and their subdivisions – Part 3: Code for formerly used names of countries, defines codes for country names which have been deleted from ISO 3166-1 since its first publication in 1974.

* ISO 639 – Codes for the representation of names of languages

* ISO 15924 – Codes for the representation of names of scripts

At the 17th session ( February 1978 ), the related UN / ECE Group of Experts agreed that the three-letter alphabetic codes for International Standard ISO 4217, " Codes for the representation of currencies and funds ", would be suitable for use in international trade.

* 1963 – ZIP Codes are introduced for United States mail.

The work of Linnaeus had a huge impact on science ; it was indispensable as a foundation for biological nomenclature, now regulated by the Nomenclature Codes.

* ISO 3166-2 Codes for the representation of names of countries and their subdivisions — Part 2

* Blahut, Richard E. Algebraic Codes for Data Transmission Cambridge University Press, 2004, ISBN 0-521-55374-1

The rules for scientific names ( Binomial Nomenclature ) are laid down in the Nomenclature Codes ; depending on the kind of organism and the Kingdom it belongs to, a different Code may apply, with different rules, laid down in a different terminology.