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44-827: [REDACTED] Look up spn in Wiktionary, the free dictionary. SPN may refer to: Places [ edit ] Saipan International Airport (IATA airport code: SPN ), Saipan Shahjahanpur railway station (station code: SPN ), Uttar Pradesh, India Spooner Row railway station (National Rail station code: SPN ), South Norfolk, England Spree-Neisse station (station code: SPN ), Brandenburg, Germany; see List of railway stations in Frankfurt Telecommunications, computing, cryptography [ edit ] Shortest job next , or shortest process next Service Principal Name (SPN), used in

88-502: A culture and collection of societies in the archaeological record of the Rift Valley State Policy Network , a U.S. national network of conservative and libertarian think tanks Service Professionals Network , a social media and business directory website. Scientific pitch notation , a method to specify musical pitch Solitary pulmonary nodule , or coin lesion in the lung CD43 or SialoPhoriN,

132-567: 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

176-641: A new directive that the high-altitude, daylight attacks be phased out and replaced by low-altitude, high-intensity incendiary raids at nighttime, being followed up with high explosive bombs once the targets were set ablaze. These nighttime attacks on Japan proved devastatingly effective, and the Superfortress missions from Isely Field led to massive destruction of industrial targets in Japan, with large industrial areas of Tokyo , Nagoya , and Osaka being repeatedly attacked by waves of American bombers flying from

220-670: A protein Supramolecular polymer networks Shorthand for the TV show Supernatural Swiss Pool for the Insurance of Nuclear Risks Serbia Against Violence , a Serbian political coalition See also [ edit ] [REDACTED] Search for "spn" on Misplaced Pages. All pages with titles beginning with SPN All pages with titles containing SPN All pages with titles beginning with spn Sp!n spin (disambiguation) Topics referred to by

264-509: 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

308-617: 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

352-573: Is different from Wikidata All article disambiguation pages All disambiguation pages Saipan International Airport Saipan International Airport ( IATA : SPN , ICAO : PGSN , FAA LID : GSN ), also known as Francisco C. Ada/Saipan International Airport , is a public airport located on Saipan Island in the United States Commonwealth of the Northern Mariana Islands . The airport

396-523: 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

440-513: 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

484-543: 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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528-942: Is owned by Commonwealth Ports Authority. Its airfield was previously known as Aslito (during the Japanese South Seas Mandate ) and Isely Field (during the American World War II and later period). This airport is assigned a three-letter location identifier of GSN by the Federal Aviation Administration , but the International Air Transport Association (IATA) airport code is SPN (the IATA assigned GSN to Mount Gunson Airport in Australia). Saipan International Airport

572-416: 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

616-462: The 873d Bombardment Squadron arrived at Isely Field. By November 22, over 100 B-29s were at Isely. The XXI Bomber Command was assigned the task of destroying the aircraft industry of Japan in a series of high-altitude, daylight precision attacks. After several months of disappointing high level bombing attacks from Isely (and the other Twentieth Air Force airfields on Guam and Tinian ), General Curtis LeMay , Commander of Twentieth Air Force issued

660-571: 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

704-497: The Kerberos protocol Service provider name, stored on mobile phone subscriber identity module (SIM) Substitution–permutation network , a mathematical operation used in cipher algorithms Sum-Product Networks , a type of probabilistic machine learning model Other uses [ edit ] Sanapaná language (ISO 639 code: spn ) Sp(n) , a type of symplectic group in mathematics Savanna Pastoral Neolithic ,

748-597: The American forces during the battle. The airfield was captured by the United States Army 27th Infantry Division on June 18, 1944, during the Battle of Saipan . During the battle, a Zero from Guam actually landed at Aslito Airfield, the pilot being unaware that the field was under American control. As it landed, the aircraft was fired at and damaged, crashing at the end of the runway. The pilot survived and

792-852: The Marianas until the war's end. In response to these attacks, most of the Japanese air attacks on the Mariana Islands between November 1944 and January 1945 targeted Isely Field. The airfield and surviving World War II facilities were listed on the National Register of Historic Places in 1981 as the "Isely Field Historic District", and are a contributing element of the National Historic Landmark District Landing Beaches; Aslito/Isely Field; & Marpi Point, Saipan Island , which

836-481: 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

880-840: The airport had 27,875 aircraft operations, an average of 76 per day: 28% general aviation , 69% air taxi , 3% scheduled commercial and <1% military. 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 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 ,

924-440: 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,

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968-418: 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

1012-486: The attack against the United States in 1941, the field was named Aslito Field (アスリート飛行場), based on the indigenous Chamoru name for the area of its location, As Lito. The IJNAS assigned two squadrons of Mitsubishi A6M5a-52 Zeros to the airfield in mid-June 1944. These squadrons took part in the occupation of the Mariana Islands during the Battle of the Philippine Sea later that month, being almost wiped out by

1056-502: 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

1100-934: 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

1144-557: 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

1188-478: 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

1232-597: 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

1276-724: The former capital of the trust territory. On July 15, 2008, the airline's Manila-Saipan flight, the final remaining Continental Micronesia directly operated flight, ended. Japanese tourists began visiting Saipan in large numbers during the 1970s. The airfield and terminal were significantly upgraded in 1975 to handle widebody aircraft. Northwest Airlines historically served Saipan from Tokyo-Narita using McDonnell Douglas DC-10 and Boeing 747 aircraft, while Japan Airlines (JAL) served Saipan from Narita and Osaka-Kansai using DC-10 and Boeing 767 aircraft respectively. In 2005, JAL suspended its services from Japan to SPN; routes to Osaka and Nagoya were taken over by Northwest. The airport

1320-487: 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

1364-612: 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

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1408-533: The nearby Kobler Field . Continental Micronesia (originally Air Micronesia) initially had its main hub at Kobler Field and then Saipan Airport. As time passed, the airline's general traffic to and from Saipan had decreased due to the breakup of the Trust Territory of the Pacific Islands ; because the territory was subdivided into smaller political units, fewer people needed to travel to Saipan,

1452-416: 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

1496-417: The plane was captured. The field was renamed Isely Field after United States Navy Commander Robert H. Isely who was killed on June 13, 1944, while strafing the base. Once in American hands, Isely Field was quickly repaired and expanded by Seabees of the 3rd Battalion 20th Marines , to become Naval Advance Base Saipan . with the first P 47s of the 19th fighter Squadron landing on the 20th. The airfield

1540-506: 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

1584-403: The same term [REDACTED] This disambiguation page lists articles associated with the title SPN . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=SPN&oldid=1184111245 " Category : Disambiguation pages Hidden categories: Short description

1628-500: 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

1672-515: 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

1716-529: 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

1760-432: The withdrawal. Northwest and Delta served Saipan for a total of 29 years. Skymark Airlines began flights to Saipan in 2019 using Boeing 737s from Narita. Saipan International Airport covers an area of 734 acres (297  ha ) which contains two paved runways : (7/25) measures 8,699 x 200 ft (2,651 x 61 m); (6/24) measures 7,001 x 100 ft (2,134 x 30 m). For the 12-month period ending January 31, 2022,

1804-658: Was assigned to Twentieth Air Force B-29 Superfortress operations. The XXI Bomber Command had overall responsibility of the B-29 operations out of the Marianas bases, and Isely Field was to be used by the 73rd Bombardment Wing (which consisted of the 497th , 498th , 499th , and 500th Bombardment Groups ). On October 12, 1944, the first B-29 Joltin Josie The Pacific Pioneer piloted by Brigadier General Haywood S. Hansell commanding General of XXI Bomber Command and copiloted by Major Jack J Catton of

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1848-626: Was a sugarcane field before the Imperial Japanese Navy Air Service (IJNAS) constructed a temporary landing field on the site in 1933. The landing field was used for training purposes and had two runways configured in an "L" pattern. In 1937, the Navy began upgrading the airfield for full military use, despite an international law ban on constructing military facilities within the South Seas Mandate . Following

1892-509: Was also renamed after former Lt. Gov. Francisco C. Ada that year. Delta Air Lines inherited Northwest's Saipan routes following its acquisition of Northwest in 2008. In 2018, Delta decided to withdraw from the Saipan market, simultaneously with terminating its service to Palau and one month after ending its service to Guam . Delta cited lower demand, as well as needs for additional Boeing 757 aircraft on domestic US flights, as reasons for

1936-685: Was designated in 1985. With the end of the war the wing's four bomb groups were all returned to the United States, with their B-29s either being flown to Clark Air Base in the Philippines for scrapping, or were flown to storage facilities in Texas or Arizona . The 73d Bomb Wing was reassigned to the United States in December 1945. The airfield was returned to civil control and it reverted to being called Aslito Field. Saipan International Airport commenced operation on July 25, 1976, taking over from

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