An IATA airport code , also known as an IATA location identifier , IATA station code , or simply a location identifier , is a three-letter geocode designating many airports and metropolitan areas around the world, defined by the International Air Transport Association (IATA). The characters prominently displayed on baggage tags attached at airport check-in desks are an example of a way these codes are used.
60-463: Luxembourg Airport ( IATA : LUX , ICAO : ELLX ) is the main airport in Luxembourg . Previously called Luxembourg Findel Airport due to its location at Findel , it is Luxembourg's only international airport and is the only airport in the country with a paved runway . It is located 3.25 NM (6.02 km; 3.74 mi) east of Luxembourg City . In 2019, it handled 4.4 million passengers. It
120-423: A Boeing 767. The service lasted seven months. In 2002, TAROM routed its flight from Bucharest to New York through Luxembourg in an attempt to increase the number of passengers. Luxembourg Airport has constructed a high-security zone far away from most airport activities in order to attract the business of transporting valuable goods such as art and jewels. According to Hiscox , there is a "massive demand" for such
180-603: A disability can cross them. Types of footbridges include: The residential-scale footbridges all span a short distance and can be used for a broad range of applications. Complicated engineering is not needed and the footbridges are built with readily available materials and basic tools. Different types of design footbridges include: Footbridges can also be built in the same ways as road or rail bridges; particularly suspension bridges and beam bridges . Some former road bridges have had their traffic diverted to alternative crossings and have become pedestrian bridges; examples in
240-423: A fallen tree. In some cases a footbridge can be both functional and artistic. For rural communities in the developing world, a footbridge may be a community's only access to medical clinics, schools, businesses and markets. Simple suspension bridge designs have been developed to be sustainable and easily constructed in such areas using only local materials and labor. An enclosed footbridge between two buildings
300-493: A few hundred combinations; a three-letter system of airport codes was implemented. This system allowed for 17,576 permutations, assuming all letters can be used in conjunction with each other. Since the U.S. Navy reserved "N" codes, and to prevent confusion with Federal Communications Commission broadcast call signs , which begin with "W" or "K", the airports of certain U.S. cities whose name begins with one of these letters had to adopt "irregular" airport codes: This practice
360-532: A hub for precious cargo. Planes taxi away from main airport facilities before loading. In 2015, the airline with the largest share of the airport's total passenger volume was still Luxair with 1.69 million passengers at a 63% share. Luxembourg Airport was closed to all passenger traffic for a week from 23 March to 29 March 2020 as a public health measure during the COVID-19 pandemic . In December 2023, China Southern Airlines began service to Zhengzhou. Built in 1975,
420-550: A new airport is built, replacing the old one, leaving the city's new "major" airport (or the only remaining airport) code to no longer correspond with the city's name. The original airport in Nashville, Tennessee, was built in 1936 as part of the Works Progress Administration and called Berry Field with the designation, BNA. A new facility known as Nashville International Airport was built in 1987 but still uses BNA. This
480-469: A structure otherwise difficult to reach are referred as catwalks or cat walks . Such catwalks are located above a stage ( theater catwalk ) in a theater, between parts of a building, along the side of a bridge, on the inside of a tunnel, on the outside of any large storage tank in a refinery or elsewhere, etc. The walkway on the outside (top) of a railroad cars such as boxcars , before air brakes came into use, or on top of some covered hopper cars
540-897: A total length of 2,063 metres (6,768 ft). Before it was demolished in 2011, the Hornibrook Bridge which crossed Bramble Bay in Queensland , Australia was longer than the Poughkeepsie Bridge at 2.684 km (1.668 mi). Much rural travel takes place on local footpaths , tracks and village roads. These provide essential access to water, firewood, farm plots and the classified road network. Communities and/or local government are generally responsible for this infrastructure . Pedestrian overpasses over highways or railroads are expensive, especially when elevators or long ramps for wheelchair users are required. Without elevators or ramps, people with mobility handicaps will not be able to use
600-500: A total of 1 million passengers annually. The following airlines operate regular scheduled and charter flights at Luxembourg Airport: The airport can be reached via autoroute A1 (Luxembourg City - Trier ) and is also connected with the surrounding areas by public bus transport route 29 and 223, which also reaches Luxembourg railway station , and bus route 6 and 16, as well as by a cross-border coach service to nearby Trier in Germany . It
660-688: A variety of photo-reconnaissance aircraft until 29 October 1944 when they also moved east into Germany. Sandweiler Airport was used by the Americans for the rest of the war as a transport supply airfield and also to evacuate combat casualties to the UK. It was returned to Luxembourgish control on 15 August 1945. During the late 1960s and 1970s, Icelandair used Findel Airport as their European hub, connecting cities in North America with Europe at Luxembourg. In March 1999, Luxair launched direct flights to Newark using
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#1732858250834720-499: Is GSN and its IATA code is SPN, and some coincide with IATA codes of non-U.S. airports. Canada's unusual codes—which bear little to no similarity with any conventional abbreviation to the city's name—such as YUL in Montréal , and YYZ in Toronto , originated from the two-letter codes used to identify weather reporting stations in the 1930s. The letters preceding the two-letter code follow
780-459: Is a bridge designed solely for pedestrians. While the primary meaning for a bridge is a structure which links "two points at a height above the ground", a footbridge can also be a lower structure, such as a boardwalk , that enables pedestrians to cross wet, fragile, or marshy land. Bridges range from stepping stones –possibly the earliest man-made structure to "bridge" water–to elaborate steel structures. Another early bridge would have been simply
840-684: Is a timber bridge that fall naturally or are intentionally felled or placed across streams. Some of the first man-made bridges with significant span were probably intentionally felled trees. Among the oldest timber bridges is the Holzbrücke Rapperswil-Hurden crossing upper Lake Zürich in Switzerland; the prehistoric timber piles discovered to the west of the Seedamm date back to 1523 B.C. The first wooden footbridge led across Lake Zürich , followed by several reconstructions at least until
900-428: Is a major cargo airport, ranking as Europe's fifth-busiest by cargo tonnage and the world's 28th-busiest in 2010. Luxair , Luxembourg's flag-carrier, and cargo airline Cargolux have their head offices on the airport property. The airport was originally known as "Sandweiler Airport", and was opened in the 1930s as a small grass airfield with a relatively short, 3,400 ft (1,000 m) runway. Neutral Luxembourg
960-570: Is a type of pedestrian separation structure , examples of which are particularly found near schools. The simplest type of bridge is stepping stones , so this may have been one of the earliest types of footbridge. Neolithic people also built a form of a boardwalk across marshes, of which the Sweet Track , and the Post Track are examples from England, that are around 6000 years old. Undoubtedly ancient peoples would also have used log bridges ; that
1020-530: Is also called a catwalk . With the exception of those on top of railroad cars, catwalks are equipped with railings or handrails . Since the early 1980s, several charities have developed standardized footbridge designs that are sustainable for use in developing countries . The first charity to develop such designs was Helvetas, located in Zurich, Switzerland. Designs that can be sustainably and efficiently used in developing countries are typically made available to
1080-553: Is an ancient form of bridge found on the moors of Devon ( Dartmoor and Exmoor ) and in other upland areas of the United Kingdom including Snowdonia and Anglesey , Cumbria , Yorkshire and Lancashire . It is formed by large flat slabs of stone, often granite or schist , supported on stone piers (across rivers), or resting on the banks of streams. Although often credited with prehistoric origin, most were erected in medieval times, and some in later centuries. A famous example
1140-574: Is different from the name in English, yet the airport code represents only the English name. Examples include: Due to scarcity of codes, some airports are given codes with letters not found in their names: The use of 'X' as a filler letter is a practice to create three-letter identifiers when more straightforward options were unavailable: Some airports in the United States retained their NWS ( National Weather Service ) codes and simply appended an X at
1200-596: Is found in the village of Postbridge . First recorded in the 14th century, the bridge is believed to have been originally built in the 13th century to enable pack horses to cross the river. Nowadays clapper bridges are only used as footbridges. The Kapellbrücke is a 204-metre-long (669 ft) footbridge crossing the River Reuss in the city of Lucerne in Switzerland. It is the oldest wooden covered bridge in Europe, and one of Switzerland's main tourist attractions. The bridge
1260-513: Is in conjunction to rules aimed to avoid confusion that seem to apply in the United States, which state that "the first and second letters or second and third letters of an identifier may not be duplicated with less than 200 nautical miles separation." Thus, Washington, D.C. area's three airports all have radically different codes: IAD for Washington–Dulles , DCA for Washington–Reagan (District of Columbia Airport), and BWI for Baltimore (Baltimore–Washington International, formerly BAL). Since HOU
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#17328582508341320-532: Is not followed outside the United States: In addition, since three letter codes starting with Q are widely used in radio communication, cities whose name begins with "Q" also had to find alternate codes, as in the case of: IATA codes should not be confused with the FAA identifiers of U.S. airports. Most FAA identifiers agree with the corresponding IATA codes, but some do not, such as Saipan , whose FAA identifier
1380-566: Is planned that a tram line will reach the airport at the beginning of 2025. In 2021, it was announced that public announcements in Luxembourgish (and in German as well) at Luxembourg Airport would cease after many decades of use; it would only be using French and English for future public announcements. Actioun Lëtzebuergesch [ lb ] declared itself to be hugely upset by this new governmental measure, citing that other airports in
1440-415: Is sometimes known as a skyway . Bridges providing for both pedestrians and cyclists are often referred to as greenbridges and form an important part of a sustainable transport system. Footbridges are often situated to allow pedestrians to cross water or railways in areas where there are no nearby roads. They are also located across roads to let pedestrians cross safely without slowing traffic. The latter
1500-400: Is the longest enclosed pedestrian bridge, completed on October 1, 2021. The 305 metre bridge was part of a $ 250 million project to UWM's offices, which converted a former warehouse and utilized shipping containers for offices, corridors, and other spaces. The Walkway Over The Hudson footbridge was originally built for trains, it was recently restored as a pedestrian walkway. The footbridge has
1560-416: Is used for William P. Hobby Airport , the new Houston–Intercontinental became IAH. The code BKK was originally assigned to Bangkok–Don Mueang and was later transferred to Suvarnabhumi Airport , while the former adopted DMK. The code ISK was originally assigned to Gandhinagar Airport (Nashik's old airport) and later on transferred to Ozar Airport (Nashik's current airport). Shanghai–Hongqiao retained
1620-561: The Canadian transcontinental railroads were built, each station was assigned its own two-letter Morse code : When the Canadian government established airports, it used the existing railway codes for them as well. If the airport had a weather station, authorities added a "Y" to the front of the code, meaning "Yes" to indicate it had a weather station or some other letter to indicate it did not. When international codes were created in cooperation with
1680-712: The English Channel to take part in the Battle of Britain . Sandweiler Airport then remained unused by the Luftwaffe until September 1944, when Aufklärungsgruppe 123 (AKG 123), a reconnaissance unit which flew the Henschel Hs 126 , a two-seat reconnaissance and observation aircraft, was assigned to the airport. AKG 123 moved east into Germany after only a few days when the United States Army moved through Luxembourg and cleared
1740-722: The Pont de Solférino in Paris and the Millennium Bridge in London. To ensure footbridges are accessible to disabled and other mobility-impaired people, careful consideration is nowadays also given to provision of access lifts or ramps , as required by relevant legislation (e.g. Disability Discrimination Act 1995 in the UK). Some old bridges in Venice are now equipped with a stairlift so that residents with
1800-471: The list of Amtrak station codes . Airport codes arose out of the convenience that the practice brought pilots for location identification in the 1930s. Initially, pilots in the United States used the two-letter code from the National Weather Service (NWS) for identifying cities. This system became unmanageable for cities and towns without an NWS identifier, and the use of two letters allowed only
1860-511: The IATA Airline Coding Directory. IATA provides codes for airport handling entities, and for certain railway stations. Alphabetical lists of airports sorted by IATA code are available. A list of railway station codes , shared in agreements between airlines and rail lines such as Amtrak , SNCF , and Deutsche Bahn , is available. However, many railway administrations have their own list of codes for their stations, such as
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1920-914: The Island of Montreal, was measured by a calibrated device as being 7,512 feet or 2,290 meters or 1.4227 miles or 2.290 kilometers long starting and ending where the treadway rises above the ground and a pedestrian could access the bridge as close as possible to the St Lawrence River. Sky Bridge 721 , the longest pedestrian suspension bridge, which spans in the Králický Sněžník mountain in the Czech Republic, opened in May 2022. The 721 metres (2,365 ft) bridge hangs 95 metres (312 ft) above ground. The United Wholesale Mortgage Pedestrian Bridge in Pontiac, Michigan
1980-516: The U.S. For example, several airports in Alaska have scheduled commercial service, such as Stebbins and Nanwalek , which use FAA codes instead of ICAO codes. Thus, neither system completely includes all airports with scheduled service. Some airports are identified in colloquial speech by their IATA code. Examples include LAX and JFK . Footbridge A footbridge (also a pedestrian bridge , pedestrian overpass , or pedestrian overcrossing )
2040-453: The UK include The Iron Bridge at Ironbridge , Shropshire , the Old Bridge at Pontypridd and Windsor Bridge at Windsor, Berkshire . Most footbridges are equipped with guard rails to reduce the risk of pedestrians falling. Where they pass over busy roads or railways, they may also include a fence or other such barrier to prevent pedestrians from jumping, or throwing projectiles onto
2100-481: The United States, because "Y" was seldom used in the United States, Canada simply used the weather station codes for its airports, changing the "Y" to a "Z" if it conflicted with an airport code already in use. The result is that most major Canadian airport codes start with "Y" followed by two letters in the city's name (for example, YOW for O tta w a , YWG for W innipe g , YYC for C algar y , or YVR for V ancouve r ), whereas other Canadian airports append
2160-440: The airport itself instead of the city it serves, while another code is reserved which refers to the city itself which can be used to search for flights to any of its airports. For instance: Or using a code for the city in one of the major airports and then assigning another code to another airport: When different cities with the same name each have an airport, they need to be assigned different codes. Examples include: Sometimes,
2220-418: The airport's former name, such as Orlando International Airport 's MCO (for Mc C o y Air Force Base), or Chicago's O'Hare International Airport , which is coded ORD for its original name: Or char d Field. In rare cases, the code comes from the airport's unofficial name, such as Kahului Airport 's OGG (for local aviation pioneer Jimmy H ogg ). In large metropolitan areas, airport codes are often named after
2280-567: The bridge was gained through angular sculptures of four winged lions crowning the abutments . They were designed by sculptor Pavel Sokolov (1764-1835), who also contributed lions for Bridge of Lions . Design of footbridges normally follows the same principles as for other bridges. However, because they are normally significantly lighter than vehicular bridges, they are more vulnerable to vibration and therefore dynamics effects are often given more attention in design. International attention has been drawn to this issue in recent years by problems on
2340-424: The building was the only terminal of the airport for 30 years, until terminal B opened in 2004. The terminal was getting overcrowded especially during the summer period, and only contained four shops, a post office and a restaurant. The terminal started to be demolished at the end of 2011 and was complete by March 2012; this was to make way for a footbridge connecting terminal B to the new terminal A. Construction of
2400-491: The code SHA, while the newer Shanghai–Pudong adopted PVG. The opposite was true for Berlin : the airport Berlin–Tegel used the code TXL, while its smaller counterpart Berlin–Schönefeld used SXF; the Berlin Brandenburg Airport has the airport code BER, which is also part of its branding. The airports of Hamburg (HAM) and Hannover (HAJ) are less than 100 nautical miles (190 km) apart and therefore share
2460-408: The country of the occupying German forces. United States Army combat engineers arrived at Sandweiler in mid September 1944 and performed some minor reconstruction to prepare the airfield for Ninth Air Force combat aircraft. The airfield was designated as Advanced Landing Ground "A-97" Sandweiler and was opened on 18 September 1944. The Ninth Air Force 363d Tactical Reconnaissance Group operated
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2520-919: The end. Examples include: A lot of minor airfields without scheduled passenger traffic have ICAO codes but not IATA codes, since the four letter codes allow more number of codes, and IATA codes are mainly used for passenger services such as tickets, and ICAO codes by pilots. In the US, such airfields use FAA codes instead of ICAO. There are airports with scheduled service for which there are ICAO codes but not IATA codes, such as Nkhotakota Airport/Tangole Airport in Malawi or Chōfu Airport in Tokyo, Japan. There are also several minor airports in Russia (e.g., Omsukchan Airport ) which lack IATA codes and instead use internal Russian codes for booking. Flights to these airports cannot be booked through
2580-557: The first three letters of the city in which it is located, for instance: The code may also be a combination of the letters in its name, such as: Sometimes the airport code reflects pronunciation, rather than spelling, namely: For many reasons, some airport codes do not fit the normal scheme described above. Some airports, for example, cross several municipalities or regions, and therefore, use codes derived from some of their letters, resulting in: Other airports—particularly those serving cities with multiple airports—have codes derived from
2640-474: The following format: Most large airports in Canada have codes that begin with the letter "Y", although not all "Y" codes are Canadian (for example, YUM for Yuma, Arizona , and YNT for Yantai , China), and not all Canadian airports start with the letter "Y" (for example, ZBF for Bathurst, New Brunswick ). Many Canadian airports have a code that starts with W, X or Z, but none of these are major airports. When
2700-593: The form of " YYZ ", a song by the rock band Rush , which utilizes the Morse code signal as a musical motif. Some airports have started using their IATA codes as brand names , such as Calgary International Airport (YYC) and Vancouver International Airport (YVR). Numerous New Zealand airports use codes that contain the letter Z, to distinguish them from similar airport names in other countries. Examples include HLZ for Hamilton , ZQN for Queenstown , and WSZ for Westport . Predominantly, airport codes are named after
2760-482: The international air booking systems or have international luggage transferred there, and thus, they are booked instead through the airline or a domestic booking system. Several heliports in Greenland have 3-letter codes used internally which might be IATA codes for airports in faraway countries. There are several airports with scheduled service that have not been assigned ICAO codes that do have IATA codes, especially in
2820-506: The late 2nd century AD, when the Roman Empire built a 6-metre-wide (20 ft) wooden bridge. Between 1358 and 1360, Rudolf IV, Duke of Austria , built a 'new' wooden bridge across the lake that has been used to 1878 – measuring approximately 1,450 metres (4,760 ft) in length and 4 metres (13 ft) wide. On April 6, 2001, the reconstructed wooden footbridge was opened, being the longest wooden bridge in Switzerland. A clapper bridge
2880-497: The latter not even being an official language of the country) [REDACTED] This article incorporates public domain material from the Air Force Historical Research Agency IATA airport code The assignment of these codes is governed by IATA Resolution 763, and it is administered by the IATA's headquarters in Montreal , Canada. The codes are published semi-annually in
2940-612: The name of the airport itself, for instance: This is also true with some cities with a single airport (even if there is more than one airport in the metropolitan area of said city), such as BDL for Hartford, Connecticut 's B ra dl ey International Airport or Baltimore's BWI, for B altimore/ W ashington I nternational Airport ; however, the latter also serves Washington, D.C. , alongside Dulles International Airport (IAD, for I nternational A irport D ulles) and Ronald Reagan Washington National Airport (DCA, for D istrict of C olumbia A irport). The code also sometimes comes from
3000-432: The new Terminal A started in 2005 and it was inaugurated in May 2008. Terminal B opened in 2004. The building is unique as it only has gates and no check-in counters or arrivals hall. It was built for small planes with a maximum capacity of 50 people. It can handle up to 600,000 passengers a year. The Terminal reopened in the summer of 2017 after some arrangements to handle aircraft with a capacity of up to 110 passengers and
3060-584: The north bank of the River Arno until it crosses the river at Ponte Vecchio . It was built in five months by order of Duke Cosimo I de' Medici in 1565, to the design of Giorgio Vasari . Bank Bridge is a famous 25 metre long pedestrian bridge crossing the Griboedov Canal in Saint Petersburg , Russia. Like other bridges across the canal, the existing structure dates from 1826. The special popularity of
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#17328582508343120-416: The one they are located in: Other airport codes are of obscure origin, and each has its own peculiarities: In Asia, codes that do not correspond with their city's names include Niigata 's KIJ , Nanchang 's KHN and Pyongyang 's FNJ . EuroAirport Basel Mulhouse Freiburg , which serves three countries, has three airport codes: BSL, MLH, EAP. Some cities have a name in their respective language which
3180-660: The public gratis. The record for the longest footbridge in the world was claimed by then New York State Governor David Paterson in a 2009 article about the walkway across the Hudson River at Poughkeepsie, New York . On July 22, 2017, the Champlain Bridge Ice Structure ( French : l'Estacade Champlain ), a bridge built for bicycles and foot traffic only to parallel the Champlain Bridge from Brossard, Quebec west to Nun's Island (L'ile Des Soeurs) &
3240-501: The same first and middle letters, indicating that this rule might be followed only in Germany. Many cities retain historical names in their airport codes, even after having undergone an official name/spelling/transliteration change: Some airport codes are based on previous names associated with a present airport, often with a military heritage. These include: Some airports are named for an administrative division or nearby city, rather than
3300-497: The station code of Malton, Mississauga , where it is located). YUL is used for Montréal–Trudeau (UL was the ID code for the beacon in the city of Kirkland , now the location of Montréal–Trudeau). While these codes make it difficult for the public to associate them with a particular Canadian city, some codes have become popular in usage despite their cryptic nature, particularly at the largest airports. Toronto's code has entered pop culture in
3360-414: The traffic below. It was originally usual for passengers to cross from one railway platform to another by stepping over the tracks, but from the mid-19th century onwards safety demanded the provision of a footbridge (or underpass ) at busier places. However, in some quieter areas, crossing the line by walking over the tracks is possible. Narrow footbridges or walkways to allow workers access to parts of
3420-504: The two-letter code of the radio beacons that were the closest to the actual airport, such as YQX in Gander or YXS in Prince George . Four of the ten provincial capital airports in Canada have ended up with codes beginning with YY, including: Canada's largest airport is YYZ for Toronto Pearson (as YTZ was already allocated to Billy Bishop Toronto City Airport , the airport was given
3480-806: The world seem to have no problems making public announcements in multiple languages; according to a poll conducted by AL, 92.84% of people in Luxembourg wished to have public announcements to be made in Luxembourgish at Luxembourg Airport. All written signs at Luxembourg Airport are only in French and English. This non-use of Luxembourgish and German (two official languages of Luxembourg) have fueled claims of linguistic discrimination , some pointing out that other airports seem to have no difficulties using up to 4 different languages in written signs. ( Palma de Mallorca Airport for example uses Catalan, English, Spanish and German,
3540-656: Was invaded by Germany on 10 May 1940, and on 21 May the Luftwaffe assigned Jagdgeschwader 53 (JG 53), a Messerschmitt Bf 109 fighter unit, to the airport. JG 53 was engaged in combat against the French and British Expeditionary Force in France during the Battle of France in May and June. In addition, Jagdgeschwader 52 (JG 52) operated Bf 109s from Sandweiler during the Blitzkrieg . JG 52 moved into France on 29 May but JG 53 remained in Luxembourg until 18 August when it moved closer to
3600-806: Was originally built c. 1365 as part of Lucerne's fortifications. An early example of a skyway is the Vasari Corridor , an elevated, enclosed passageway in Florence , Italy, which connects the Palazzo Vecchio with the Palazzo Pitti . Beginning on the south side of the Palazzo Vecchio, it then joins the Uffizi Gallery and leaves on its south side, crossing the Lungarno dei Archibusieri and then following
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