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.

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.

In 2010, the International Civil Aviation Organization ( ICAO ) conferred " international " status to the air terminal at Ogle ( IATA: OGL, ICAO: SYGO ), a former sugarcane airstrip just a few miles south of Georgetown's center.

Leeward Point Field is the active military airfield, with the ICAO code MUGM and IATA code NBW.

Shun Tak Heliport ( ICAO: VHST ) is located in the Hong Kong-Macau Ferry Terminal, by the Shun Tak Centre, in Sheung Wan, on Hong Kong Island.

Heli Express operates regular helicopter service between Macao Heliport ( ICAO: VMMH ) on the Macau Ferry Terminal in Macau and the Shun Tak Heliport.

The International Civil Aviation Organization ( ICAO ), pronounced, ( in French: Organisation de l ' aviation civile internationale, OACI ), is a specialized agency of the United Nations.

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.

The Air Navigation Commission ( ANC ) is the technical body within ICAO.

The development of Aviation Standards and Recommended Practices is done under 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.

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.

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

In 1947 PICAO became ICAO.

ICAO refers to its current edition of the Convention as the statute, and designates it as ICAO Doc 7300 / 9.

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.

A localizer ( LOC, or LLZ until ICAO designated LOC as the official acronym ) antenna array is normally located beyond the departure end of the runway and generally consists of several pairs of directional antennas.

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 ">

According to ICAO, to be eligible for a commercial pilot licence, the applicant must be able to read, speak, write, and understand English: already hold a Private Pilot Licence, have received training in the areas of a commercial pilot, and successfully complete the relevant written exams.

The CFS is published, separately in both English and French, as a paper book by NAV CANADA and is issued once every 56 days on the ICAO AIRAC schedule.

Hanover and its area is served by Hanover / Langenhagen International Airport ( IATA code: HAJ ; ICAO code: EDDV )

Another area in which the ICAO is active is infrastructure management, including Communication, Navigation, Surveillance / Air Traffic Management ( CNS / ATM ) systems, which employ digital technologies ( e. g., satellite systems with various levels of automation ) in order to maintain a seamless global air traffic management system.

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

The Joint Army / Navy Phonetic Alphabet was a radio alphabet developed in 1941 and was used by all branches of the United States military until the promulgation of the ICAO spelling alphabet ( Alfa, Bravo ) in 1956, which replaced it.

* Approach minima: ICAO CAT 1 Decision Height 60 m ( 200 ft ) / 800 m ( Visibility ) or 550 m RVR

Radio-navigation aids must keep a certain degree of accuracy ( set by international standards of CAST / ICAO ); to assure this is the case, flight inspection organizations periodically check critical parameters with properly equipped aircraft to calibrate and certify ILS precision.

In Russia and CIS, Latin letter X ( or its Morse / Baudot Cyrillic equivalent Ь ) is used to designate government, military and experimental aviation airfields in internal airfield codes similar in structure and purpose to ICAO codes but not used internationally.

However, because Alaska, Hawaii and United States territories have their own 2-letter ICAO prefix, the situation there is similar to other smaller countries and the ICAO code of their airports is typically different from its corresponding 3-letter FAA / IATA identifier.

Runway 1: Heading 18L / 36R, 3 360m ( 11 023 ft ), ICAO Cat.

Runway 2: Heading 18R / 36L, 2 743m ( 8 999 ft ), 55 / F / C / X / T, ICAO Cat.

** ICAO Circular 2660-AN / 154 ( 12-26 )

** ICAO Adrep Summary 2 / 88 (# 5 )

Although the airfield is disused, the aviation connection remains: it is the location of OCK, a VOR navigational beacon which anchors the South West ( SW ) Arrival Stack for London Heathrow Airport ( ICAO: EGLL / IATA: LHR ), which along with Biggin Hill, Kent ( BIG-SE Arrivals ), Bovingdon, Hertfordshire ( BNN-NW Arrivals ) and Lambourne, Essex ( LAM-NE Arrivals ) are London's main holds.

Naval Station Rota ( NavSta Rota ) ( ICAO: LERT ), Spanish name Base Naval de Rota, is a Spanish naval base commanded by a Spanish Rear Admiral and fully funded by the United States of America.

* 1970 – Soviet Union enters ICAO, making Russian the fourth official language of organization.

** The Soviet Union enters the ICAO, making Russian the fourth official language of the organization.

* CTS is the ICAO airline designator for Centre-South Limited, Russian Federation

The city is served by the small Saransk Airport ( Russian: Аэропорт Саранск ) ( IATA: SKX, ICAO: UWPS ) southeast of downtown.

* Russian Mission Airport ( ICAO location indicator: PARS ), in Russian Mission, Alaska, United States

* the ICAO airline designator for the Russian Air Force