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89-770: Spokane International Airport ( IATA : GEG , ICAO : KGEG , FAA LID : GEG ) is a commercial airport in Spokane, Washington , United States, located approximately 7 miles (11 km) west-southwest of Downtown Spokane . It is the primary airport serving the Inland Northwest , which consists of 30 counties and includes areas such as Spokane, the Tri-Cities , both in Eastern Washington, and Coeur d'Alene in North Idaho . The airport's code, GEG,

178-509: A building at an airport where passengers transfer between ground transportation and the facilities that allow them to board and disembark from an aircraft . The buildings that provide access to the airplanes (via gates ) are typically called concourses . However, the terms "terminal" and "concourse" are sometimes used interchangeably, depending on the configuration of the airport. Smaller airports have one terminal while larger airports have several terminals and/or concourses. At small airports,

267-437: A crash in 1927. During World War II , Geiger Field was a major training base by Second Air Force as a group training airfield for B-17 Flying Fortress heavy bombardment units, with new aircraft being obtained from Boeing near Seattle . It was also used by Air Technical Service Command as an aircraft maintenance and supply depot; Deer Park Airport and Felts Field were auxiliaries. In 1943, General Hap Arnold established

356-522: A large building with the attached ancillaries for planes (the central building was intended not for the passengers, but for a dirigible ). The predecessors of the modern terminals were the structures erected for the air shows of the Edwardian era (for example, the Reims Air Meet in 1909). These buildings usually were L-shaped , with one wing dedicated to the planes and flight personnel, and

445-567: 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

534-498: A passenger building flanked by hangars into the corner of an airfield. This design influenced the Tempelhof, arguably the seminal design in the history or airports: the original Modernist terminal by Paul and Klaus Englers of 1926-1929 was placed into the center of the field, thus defied the need for expansion, and had to be replaced by the new building in the late 1930s (architect Ernst Sagebiel ). Hounslow (now Heathrow airport )

623-515: A reported US$ 4,600,000 (equivalent to $ 44,470,000 in 2023) and was dedicated on May 8, 1965, in a ceremony attended by Senator Warren Magnuson and Civil Aeronautics Board chair Alan Boyd . Designed in the Neo-Expressionism style, the building's architecture prominently features exposed concrete as well as distinct sculpted and monolithic architectural shapes and forms. As the airport has continued to incrementally expand, some of

712-501: A satellite terminal was London Gatwick Airport . It used an underground pedestrian tunnel to connect the satellite to the main terminal. Passengers are sometimes ferried to the satellite terminals by people movers , trains, or overhead bridges. The layout has the potential to cut the walking distances and was successfully applied in the Orlando International Airport and Tampa International Airport . However,

801-659: A single baggage claim with five carousels, and A-B would receive a renovation. Ultimately, operations at A-B would wind down under long-term plans to construct a new terminal in 2030, at the earliest. Southwest Airlines is the current primary occupant operating in and out of Concourse A. Delta and United Airlines both operate in and out of Concourse B. American Airlines operated in and out of Concourse B before relocating to Concourse C in March 2016. Concourse C houses 9 gates, both upper (30-32) and lower (21a, 21b, 22-26). The lower level gates house regional turboprop aircraft, while

890-496: A single large building, like the one at the Ford Dearborn Airport (1925–1926). Dedicated passenger building started to appear. In Europe, Le Bourget got new buildings in classical style arranged in very non-airport-like manner around a central garden in the early 1920s. The "air station" of Königsberg Devau (1922) was probably the first design resembling the modern ones: Hanns Hopp , a German architect, placed

979-517: A single terminal building typically serves all of the functions of a terminal and a concourse. Larger airports might have one terminal that is connected to multiple concourses or multiple unit terminals . By the end of the 20th century airport terminals became symbols of progress and trade, showcasing the aspirations of nations constructing them. The buildings are also characterized by a very rapid pace of redevelopment, much higher that that for structures supporting other modes of transportation, eroding

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1068-509: 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

1157-569: Is a lack of any provision for transfer flights, with passengers only able to transit landside. Hybrid layouts also exist. San Francisco International Airport and Melbourne Airport use a hybrid pier-semicircular layout and a pier layout for the rest. Chris Blow lists the following standard options of using multiple levels in the airport terminals: A common-use facility or terminal design disallows airlines to have its own proprietary check-in counters, gates and IT systems. Rather, check-in counters and gates can be flexibly reassigned as needed. This

1246-617: 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

1335-478: Is derived from its former name, Geiger Field, which honored Major Harold Geiger (1884–1927). As of 2015, Spokane International Airport (GEG) ranks as the 70th-busiest airport in the United States in terms of passenger enplanements. At 4,131,266 total passengers served in 2023, it is the second busiest airport in Washington. GEG is served by six airlines with non-stop service to 15 airports in 13 markets. It

1424-523: 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

1513-671: 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 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 ,

1602-513: 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

1691-620: Is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a small-hub primary commercial service facility. Known as Sunset Field before 1941, it was purchased from the county by the War Department and renamed Geiger Field (hence the IATA code GEG ) after Major Harold Geiger , an Army aviation pioneer who died in

1780-600: Is located adjacent to the Ground Transportation Center on the north end of the main terminal. The consolidated facility opened in November 2008, replacing several satellite operations, and is intended to meet passenger growth at the airport for 20 years after its opening. [REDACTED]  This article incorporates public domain material from the Air Force Historical Research Agency IATA airport code The assignment of these codes

1869-543: 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

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1958-405: Is the main opportunity within the airport for architects to express themselves and a key element of the airport design. Brian Edwards compares the architectural role of the terminal in the airport to the one of a mall within a small town. Historically, airports were built in a variety of architectural styles , with the selection depending on the country: The concrete boxes of terminals built in

2047-581: Is used at Boston Logan International Airport 's Terminal E. This table below lists the top airport terminals throughout the world with the largest amount of floor area, with usable floor space across multiple stories of at least 400,000 m (4,300,000 sq ft). Many small and mid-size airports have a single, two, or three-lane one-way loop road which is used by local private vehicles and buses to drop off and pick up passengers. A large hub airport often has two grade-separated one-way loop roads , one for departures and one for arrivals. It may have

2136-416: 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

2225-459: The 4702d Defense Wing moved to the airfield. It was still used by the Air Force into the early 1960s, with the 84th Fighter Group operating Convair F-106 Delta Dart interceptors . The airport code is still GEG, for Geiger Field. The current Concourse A and B complex opened in 1965, designed by Warren C. Heylman and William Trogdon. Occasional non-stop flights to southern California since

2314-571: 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

2403-705: The Cold War for air defense of Hanford Nuclear Reservation and Grand Coulee Dam . Built in 1942 as the Spokane Air Depot, Fairchild Air Force Base is four miles (7 km) to the west. It became Spokane's municipal airport in 1946, replacing Felts Field , and received its present name in 1960, after the City of Spokane was allotted Spokane Geiger Field by the Surplus Property Act and Air Canada started service to Calgary . In November 1972,

2492-482: The interwar period in the major transportation nodes (London, Paris, Berlin) were converted military airfields ( London Terminal Aerodrome , Croydon Aerodrome , Great West Aerodrome , Le Bourget , Tempelhof ) and lacked the spaces for the actual passengers. US, on the other hand, lacked the war infrastructure and had to build the airports from scratch, mostly following the "hangar-depot" building type where, staff, passengers, and airplanes were all accommodated inside

2581-404: The 1960s and 1970s generally gave way to glass boxes in the 1990s and 2000s, with the best terminals making a vague stab at incorporating ideas of "light" and "air"'. However, some, such as Baghdad International Airport and Denver International Airport, are monumental in stature, while others are considered architectural masterpieces, such as Terminal 1 at Charles de Gaulle Airport , near Paris ,

2670-516: The 1970s have been among the first to be suspended during economic downturns. A second level was added to Concourse A and Concourse B in 1974. The airport has a Master Plan, which includes a third runway and gates added to Concourse C. A new control tower has been built south of the airport, replacing the one near Concourse C. The new control tower is the tallest one in the State. The Terminal , Rotunda , and Concourse C Enhancement Project (TRACE)

2759-505: The A/B and C concourses. As of January 2023, the 145,000 square foot Central Hall is estimated to cost $ 179 million and has a planned construction timeline of 2025 to 2027. Other projects planned in the TREX program include relocation of the rental car facilities, and renovation of the A/B concourse. The airport covers 6,140 acres (2,480 ha) and operates two paved runways: It is believed that

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2848-776: The Terminal Renovation and Expansion (TREX) program which includes expansion of Concourse C. The concourse is currently under construction and expected to reopen in late 2025. Annual passenger traffic as reported by the Spokane International Airport (GEG). Spokane Transit operates four stops at Spokane International Airport, with bus routes 60 and 63. The airport is also served by the WSDOT's Travel Washington Gold Line, Northwestern Trailways , Wheatland Express, Queen City Shuttle, and Special Mobility Service. A consolidated rental car facility

2937-454: 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 . Airport terminal An airport terminal is

3026-481: 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

3115-474: The airfield. For example, Air France checked in passengers at the Invalides Air Terminal ( Aérogare des Invalides ) from 1946 to 1961, when all passengers started checking in at the airport. The Air Terminal continued in service as the boarding point for airline buses until 2016. Chicago's O'Hare International Airport 's innovative design pioneered concepts such as direct highway access to

3204-440: 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,

3293-426: The airport terminal." The first airfields, built in the early 20th century, did not have passengers and thus did not need the terminals. Large facilities were built, however, to house the fragile and inventive airships of the time protecting them from elements and industrial spies . Still, some of the concept architectural designs resembled the modern terminal buildings: Erich Mendelsohn ’s sketch (1914) contained

3382-418: 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

3471-467: The airport, concourses, and jetbridges ; these designs are now seen at most airports worldwide. When London Stansted Airport's new terminal opened in 1991, it marked a shift in airport terminal design since Norman Foster placed the baggage handling system in the basement in order to create a vast open interior space. Airport architects have followed this model since unobstructed sightlines aid with passenger orientation. In some cases, architects design

3560-465: The arrangement is prone to slowing down the embarkation and disembarkation as well as accidental damage to the planes. A particularly unusual design was employed at Berlin Tegel Airport 's Terminal A. Consisting of an hexagonal-shaped ring around a courtyard, five of the outer walls were airside and fitted with jet bridges, while the sixth (forming the entrance), along with the inner courtyard,

3649-590: The boundary between the permanent and temporary construction. An airport might have multiple separate "unit terminals", in order, for example to separate the international travel from the domestic one, or provide the separate airlines with the ability to offer their own terminals. The unit terminals might use similar design ( Dallas-Fort Worth Airport ) or be completely different ( Pearson International Airport ). Use of multiple terminals typically requires an extensive network of automatic people movers . Terminals perform three main functions: Just like entire airports,

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3738-402: The building beyond the scope of the original needs. The original Le Bourget design was corrected by Georges Labro  [ fr ] in 1936–1937, with the new Modernist single-terminal layout following ideas of not-yet-unfinished Tempelhof (but without covered access to the planes) and Croydon. New York's LaGuardia Airport ( Delano and Aldrich , 1939) contained many features common in

3827-428: The center, Concourse C to the southwest, and the Ground Transportation Center to the north. The three structures are immediately adjacent and connected, however the two concourse structures are not linked with an airside connector on the sterile side; as such, connecting passengers need to transit between Concourse A-B and Concourse C through the landside, non-sterile circulation. The 1965 Concourse A/B complex includes

3916-596: The check-in counter to the gate (up to half a mile in the cases of Kansai International Airport or Lisbon Portela Airport 's Terminal 1). Most large international airports have piers, O'Hare Airport in Chicago and Hartsfield Airport in Atlanta were able to process 45 million passengers per year using this layout in the 1970s. Remote pier layout consist of multiple concourses that are connected by automatic people movers located underground or overhead. Once arrived on

4005-502: 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

4094-523: The concourse, passengers get on the planes as usual. This layout, after its first appearance at Hartsfield, was used at Stansted Airport in UK and, with an adequate people-moving system, is considered to be very efficient for the airport hubs with high percentage of transfer passengers. A satellite terminal is a round- or star-shaped building detached from other airport buildings, so that aircraft can park around its entire circumference. The first airport to use

4183-413: The convex side and cars on the other. This design still requires long walks for connecting passengers, but greatly reduces travel times between check-in and the aircraft. A pier design uses a small, narrow building with aircraft parked on both sides. One end connects to a ticketing and baggage claim area. Piers offer high aircraft capacity and simplicity of design, but often result in a long distance from

4272-475: The courtyard on the same level, where short-stay parking and taxi-pickup were located. Vehicles could enter and exit via a road underpass underneath the terminal building entrance. For flights using jet-bridges and passengers arriving or leaving by private transport, this resulted in extremely short walking distances of just a few tens of metres between vehicles and the plane, with only a slightly longer walk for public transport connections. A downside of this design

4361-480: The east coast, to capitalize on and accommodate growing passenger and cargo traffic; the Spokane market has been hosting big events and attracting business to the area. On October 20, 2022, the airport broke ground on the first phase of the project which includes expansion of Concourse C. The $ 150 million addition will add 144,000 square feet, 6 new gates and modernization of the existing terminal. The first portion of

4450-934: 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

4539-472: The entrance/exit of each jet bridge lied at the boundary of the two areas. Two or three passport control booths were located close to the end of the jet bridge for arriving passengers (causing passengers to queue into the bridge and plane itself) and passengers left the arrivals area unsegregated from departing passengers into the same landside ring-concourse, emerging next to the check-in desks. This allowed both arriving and departing passengers immediate access to

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4628-417: The excessive area of airport apron required and difficult remodeling for new aircraft designs had reduced its popularity. Los Angeles International Airport , in particular, switched from satellite terminals to pier layout in the 1980s. Idea of a large airport using specially build vehicles to connect the passengers to the planes was driven by the desire to reduce time spent by the planes getting to and from

4717-479: The expanded concourse, which includes three gates at the west end, opened in June 2024. The remainder of the project is planned to begin construction in late 2024 and be completed the following year. The second phase of the TREX program is focused on creating a centralized TSA screening checkpoint and baggage claim, as well as an improved operations center. This central connection will also allow easier navigation between

4806-520: The first plane hijacking occurred in the 1931 (in Peru ). The 1960s brought the waves of terrorism and the tight security based on the ICAO recommendations. By the 1990s both passengers and luggage were routinely screened for weapons and explosive devices. The old floorplans of terminals were frequently inadequate (and structures not strong enough to carry the weight of the new equipment), so extensive redesign

4895-491: The first formal fire protection training course at Geiger Field, Washington. It was used until 1946. Geiger Field was served by a rail connection to the Great Northern Railway . Geiger was closed in late 1945 and turned over to War Assets Administration (WAA), then transferred to Spokane County and developed into a commercial airport. The airport hosted USAF Air Defense Command interceptor units during

4984-557: 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

5073-478: 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

5162-597: 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

5251-467: The gate of the flight they serve. Checked-in passengers then entered airside via a short passage situated immediately to the side of the check-in desk, passed (for non-Schengen flights) a single passport control booth (with officers sat in the same area as check-in staff), followed by a single security lane which terminated at the gate's waiting area behind. Pairs of gates shared the same seating area, with small kiosks for duty-free and refreshments making up

5340-487: 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

5429-594: The lack of separation between the boarding and deplaning passengers). The movable covered ways (precursors of the modern jet bridges ) were experimented with in the 1930s. The Boeing 's United Airport in Burbank, California featured retractable canopies already in the 1930. The tubes first appeared in the 1936 terminal at the London South Airport . The circular terminal design included six telescopic rectangular in section tubes for passengers, moving over

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5518-817: The main terminal at Washington Dulles in Virginia , or the TWA Flight Center at New York's JFK Airport. A few are designed to reflect the culture of a particular area, some examples being the terminal at Albuquerque International Sunport in New Mexico , which is designed in the Pueblo Revival style popularized by architect John Gaw Meem , as well as the terminal at Bahías de Huatulco International Airport in Huatulco , Oaxaca , Mexico, which features some palapas that are interconnected to form

5607-432: The modern designs: two-level layout for separation between departing and arriving passengers, "spine" concourse extending to the both sides of the building, "dispatcher booths" as precursors to the airport gates . Tempelhof faced a contemporary critique for its cantilevered roofs intended to protect the planes and passengers − but wasteful in terms of construction and limiting the future aircraft designs (in addition to

5696-612: 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

5785-416: 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

5874-405: The only airside commercial offerings. Thus, other than the adjacent gate, passengers could not move around the terminal airside and there was no central waiting lounge and retail area for departures. Individual rooms for arrivals, likewise serving a pair of gates, each contained a single baggage carousel and were alternately situated in between each pair of departure gates on the same level, such that

5963-569: The original Heylman and Trogdon concourse, lacked the same curvy and sculpted neo-expressionistic forms. The later additions of the ground transportation facility and Concourse C to the ends of the concourse building further altered the architecture by replacing its distinct bookend elevations and entrances with corridors to the adjacent buildings. Interior renovations in the mid-2000s also replaced many of Concourse A-B complex's original sculpted forms and monolithic materials with more rectilinear forms and contemporary finish materials. Despite this, many of

6052-472: The original architectural elements remain integral to the space (such as the exposed concrete roof trusses and concrete columns), creating a juxtaposition between the newer elements and the original architecture. Under the proposed Terminal Renovation and Expansion (TREX) program to accommodate projected growth, the separate baggage claim areas in Concourse A-B and Concourse C would be consolidated into

6141-411: The original architectural intent of the Concourse A-B complex has been lost. While several expansions to the concourse extended the building's original architectural style, other additions have altered it. In 1974, a second floor was added to both Concourses A and B to allow for the implementation of passenger boarding bridge access to aircraft. The new floors, while sharing some material commonality with

6230-512: The other intended for the spectators, with a grandstand and restaurants in an arrangement similar to the one used for the racetracks . The shows also featured occasional passenger flights. The other template of a terminal was provided by the first airline, the German DELAG that featured sheds for Zeppelins combined with passenger spaces close to the centers of cities, like the railroad stations. The first European passenger airports of

6319-454: The primary occupants operating in and out of Concourse C after Frontier Airlines ceased operations to Spokane in January 2015. However, that changed once American Airlines relocated to Concourse C in March 2016. Alaska and American operate in and out of the upper-level gates, while Horizon operates in and out of the lower level gates. In October 2022, the airport broke ground on Phase 1 of

6408-754: The rails. The terminal at London South (now known as Gatwick Airport ) also featured the first direct rail link connection (to the London Victoria Station ). The rail ticket was included with the airfare . The system for early separation of departing passengers from their luggage (check-in desk) was introduced in the Speke Airport in Liverpool (1937–1938). It remains a key element of design of most passenger terminals ever since. Some airlines checked in their passengers at downtown terminals, and had their own transportation facilities to

6497-506: 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

6586-500: 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

6675-433: The terminal architecture. The functions that are performed on the landside, like ticketing and check-in, are relatively stable, while the airside is subject to rapid technological and operational changes. Victor Marquez suggests that the boundary is not really an integral part of the airport functions, but a "socio-technical construct" that has gradually shaped the thinking of architects and planners. The passenger terminal

6764-570: The terminal dates to 1960s. The bodies of the so-called mobile lounges can be raised to match the height of the terminal and airplane exit doors (much earlier designs used regular apron buses , for example, in the Milan's Linate Airport , but the passengers in this case had to climb up and down the airstairs ). While used in the Washington Dulles International Airport and King Abdulaziz International Airport ,

6853-404: The terminal's ceiling and flooring with cues that suggest the required directional flow. For instance, at Toronto Pearson's Terminal 1 Moshe Safdie included skylights for wayfinding purposes. Originally, the airport terminals were secured the same way as the rail stations, with local police guarding against the common crimes, like pickpocketing. The industry-specific crimes were rare, although

6942-410: The terminals are divided into landside and airside zones. Typically passengers and staff must be checked by airport security , and/or customs / border control before being permitted to enter the airside zone. Conversely, passengers arriving from an international flight must pass through border control and customs to access the landside area. The landside-airside boundary became the defining element of

7031-442: The terminals switch to the "linear" layout, where the planes are located next to an elongated building and passengers use jet bridges to walk on board. The design places limit on the number of gates, as the walkability requirement dictates the total length of the building (including the "spine" concourses) to be less than 1 ⁄ 2 mile. Some airports use a linear structure bent into a semicircular shape, with aircraft parked on

7120-470: The tower is the only federal air traffic control tower named for any single person. That honor was bestowed in 2010 on Ray Daves, the World War II radioman who survived Pearl Harbor and Midway and went on to serve as an air traffic controller in Spokane after the war until the 1970s. The passenger terminal facility at Spokane International Airport has three main structures; Concourse A and B in

7209-428: The two concourses linked by a central rotunda area with dining and shopping vendors. The 37,000 sq ft (3,400 m) rotunda is supported entirely along its perimeter and features no obstructions. Concourse A houses 5 gates (11-15), while Concourse B houses 8 gates (1–8). The Concourse A-B complex originally opened on April 1, 1965, and was designed by Warren C. Heylman and William Trogdon. The new terminal cost

7298-515: 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

7387-407: The upper-level gates house narrow-body aircraft. The current iteration of Concourse C opened in 2000 after a $ 20 million redevelopment and expansion project, designed by Bernardo-Wills Architects. The project, which broke ground in 1998 added 80,000 square feet (7,400 m) to the concourse including a new baggage claim and two-story passenger facility. The 11,000-square-foot (1,000 m) concourse

7476-529: 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

7565-518: Was landside. Although superficially resembling a satellite design insofar as aircraft could park around most of the structure, it was in fact a self-contained terminal which unlike a satellite did not depend on remote buildings for facilities such as check-in, security controls, arrivals etc. Especially unique were its exceptionally short walking distances and lack of any central area for security, passport control, arrivals or transfer. Instead, individual check-in counters are located immediately in front of

7654-550: Was processing the passengers through a reused aircraft hangar, and a new classical terminal was built in Croydon in 1928. In the US, by 1931 the first airport in Chicago (now Midway Airport ) had its own Art Deco terminal building. Sagebiel's Tempelhof had an appearance of a major railway terminus and housed, like many other European airports, great restaurants. The design survived for more than 60 years, highly unusual for an airport due to Sagebiel being prescient and oversizing

7743-591: Was recently completed, designed by Bernardo/Wills Architects, P.C. The project, which concluded in November 2006, added retail space and expanded security checkpoints in the airport's three concourses, and gave the Rotunda an aesthetic renovation. In 2010, 2000 feet was added to Runway 3–21 and parallel taxiways 'A' and 'G', enabling heavier aircraft departures in summer months. By 2023, the airport plans to add new gates, centralized security and expanded baggage claim space as it looks to add more direct flights, including to

7832-602: Was remodeled into service and operations functions. The new Concourse C has a more contemporary architectural style, contrasting the appearance of the Concourse A and B complex, by employing a large use of metal cladding and large curtain window walls on its exterior building envelope. However, it draws inspiration from its neo-expressionist neighbor by architecturally expressing a modular, repetitive, and exposed structural grid through its façade and interior lobby areas. Alaska Airlines and its subsidiary carrier Horizon Air were

7921-618: Was required. Passenger garages integrated into the terminals were moved out to reduce the potential effects of the car bombs . Time spent by passengers at the airports greatly increased, causing the need for additional space. Early airport terminals opened directly onto the tarmac : passengers would simply walk to their aircraft, a so-called " open apron " layout. This simple design is still common among smaller airports. For larger airports, like Kansas City International Airport , Munich Airport and Charles de Gaulle Airport , allowing many passenger to walk across tarmac becomes unfeasible, so

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