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.
40-514: Addison Airport ( IATA : ADS , ICAO : KADS , FAA LID : ADS ) is a public airport in Addison , in Dallas County , Texas , United States , 9 mi (7.8 nmi; 14 km) north of downtown Dallas. It opened in 1954 and was purchased by the town of Addison in 1976. The Addison Airport Toll Tunnel , completed in 1999, allows east–west automobile traffic to cross the airport under
80-567: 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
120-445: A year later to become a dominant player in the cancelled check transportation industry. US Check later acquired Midway Aviation of Dallas, TX , Pacific Air Charter of San Diego, CA , Express Convenience Center of Southfield, Massachusetts and Data Air Courier of Chicago, Illinois . In order to raise additional capital and further grow the company, US Check went public in 1998 to become AirNet Systems. In 2008, AirNet Systems
160-509: 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
200-627: Is administered by the IATA's headquarters in Montreal , Canada. The codes are published semi-annually in 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 ,
240-617: Is available. However, many railway administrations have their own list of codes for their stations, such as 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
280-523: 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
320-513: 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
360-543: 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
400-435: Is the headquarters of Ameristar Jet Charter , GTA Air , and Martinaire , and also has scheduled freight flights from AirNet Express , Flight Express , and Flight Development . It is also a training hub, with primary to advanced flight instruction available from Thrust Flight School , American Flyers , ATP Flight School , Stature Aviation , CTL Aero , and PlaneSmart! . In 1989, 1990, and 1991, Addison Airport hosted
440-416: 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
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#1732800838141480-571: 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
520-563: The Dallas Grand Prix , consisting of Trans-Am Series , SCCA Formula Super Vee , SCCA Corvette Challenge , and SCCA RaceTruck Challenge races. The Dallas Grand Prix previously took place on a street circuit in Fair Park , but complaints from nearby homeowners prompted organizers to seek a less noise-sensitive venue, and they decided on Addison Airport because the surrounding area was largely industrial in nature. The 1989 event
560-467: The 1991 event, the FAA, the town, the race organizers, and airport managers and tenants agreed that 1992 would be the last year the event would be held at the airport. The agreement became moot when the race organizers, who had lost money on the previous events, cancelled the 1992 event citing financial reasons. IATA airport code The assignment of these codes is governed by IATA Resolution 763, and it
600-738: 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 . AirNet Express AirNet is an American Part 135 cargo airline based in Franklin County, Ohio , United States, near Columbus . It specializes in delivery of documents and small packages. Banks were once their main client, transporting checks for over 300 of
640-481: 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
680-440: 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,
720-418: 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
760-571: The airport. Overton's partner James DeLoache was impressed by Henry Stuart, who managed nearby Park Cities Airport, and quickly persuaded Stuart to leave that airport and manage Addison Airport instead. AAI realized that a private well would not support their development plans, so they petitioned the city to drill a municipal well and build its first public water system. The project was approved by voters in April 1957 and construction began in August. The well
800-408: The airport: 326 single-engine, 86 multi-engine, 157 jet and 7 helicopter . In 2022, its runway designation was changed from 15/33 to 16/34. There are currently three fixed-base operators: Atlantic Aviation , Landmark Aviation , and Million Air . Charter services are available from a variety of companies, with Business Jet Solutions and Bombardier FlexJet having large operations. The airport
840-461: The city, the airport had its formal groundbreaking ceremony on March 16, 1957. The airfield included a 5,000 sq ft (460 m) terminal building, and its primary paved runway, 15/33, was 4,500 ft (1,400 m) long–deliberately 50 ft (15 m) longer than the longest runway at the newly constructed Redbird Airport in South Dallas. AAI needed a professional manager for
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#1732800838141880-502: 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
920-573: The country's largest banks. With the passing of the Check 21 Act , and the increase in the usage of electronic banking , this has been greatly reduced. AirNet is now focusing on time critical documents and packages, such as those required in the scientific and medical field. The main sort facility is located at Rickenbacker International Airport in Columbus. In September 2008, AirNet announced that they were moving their sort facility to Chicago , reducing
960-934: 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
1000-557: 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
1040-478: 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
1080-597: 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
1120-487: 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
1160-497: The largest cluster of those owners resided in Dallas County; additionally, most upscale residential development likely to attract aircraft owners was being built in the northern part of the county. The partners incorporated Addison Airport, Inc. (AAI) on August 30, 1956, and laid out an industrial park in the triangular area formed by the main railway line, Dooley Road, and the main runway. After obtaining final approval from
1200-612: 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
1240-683: The number of aircraft, and redesigning their route network. Their corporate headquarters remains in Columbus. Financial Air Express / PDQ was founded in 1974 by Gerald Mercer in Pontiac, MI . Jet Courier was founded at about the same time by Donald Wright in Cincinnati, OH . Jet Courier changed its name to Wright International Express in January 1985. In July 1988, these two companies merged to become US Check Airlines , headed by Gerald Mercer. US Check acquired Air Continental of Norwalk, OH
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1280-416: 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
1320-526: The runway. The town of Addison originally formed in 1904 as a small unincorporated community surrounding a St. Louis Southwestern Railway depot located at the northern end of a branch line to Dallas. On June 15, 1953, residents voted to incorporate because they did not want the nearby cities of Dallas, Carrollton , or Farmers Branch to annex the community. By the mid 1950s, the newly incorporated city had about five hundred residents, but few public improvements and no local water system. In 1955, Guy Dennis,
1360-506: 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
1400-594: The son-in-law of founding settler Sidney Smith Noell, sold his large farm north of the depot to W.T. Overton, a 28-year-old businessman from Dallas, who announced in January 1956 that he would build Addison Airport on the site. Overton said that it would be the first airfield in the area designed for business jets , then a novel innovation. Overton and his partners chose the airport site because Civil Aeronautics Administration statistics indicated that more aircraft owners lived in Texas than in any state other than California, and
1440-500: 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
1480-515: 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
1520-529: The use of two letters allowed only 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
1560-418: Was held on May 12–14 on a temporary 1.57 mi (2.53 km) circuit that traversed public streets, taxiways, and the south end of the runway. The races benefited Addison hotels and restaurants, but setup and teardown of the circuit and grandstands disrupted airfield operations for weeks, prompting airport businesses and the airport management company to lodge complaints with the town and the FAA in 1990. After
1600-470: Was later supplemented by a large water main extended from Dallas. The airport's grand opening was held on October 18, 1957. Addison Airport covers 368 acres (149 ha); its one runway, 16/34, is 7,203-by-100-foot (2,195 m × 30 m) concrete . In the year ending September 30, 2023, it had 119,065 aircraft operations, averaging 326 per day: 68% general aviation , 32% air taxi , <1% airline and <1% military. 576 aircraft were then based at
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