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Oakey Army Aviation Centre

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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.

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106-588: Oakey Army Aviation Centre ( IATA : OKY , ICAO : YBOK ) is situated approximately 3 km (1.9 mi) from the town centre of Oakey in Queensland , Australia . It provides a training establishment for Australian Army Aviation , and also hosts the Republic of Singapore Air Force 's "Cougar" 126 Squadron . The Defence name for the facility is Swartz Barracks, named for prominent politician, Army Aviation advocate, and ex-POW Sir Reginald Swartz . The base

212-669: A fast rope -rappelling system, and other upgrades. The MH-47D was used by U.S. Army 160th Special Operations Aviation Regiment . Twelve MH-47D helicopters were produced. Six were converted from CH-47As and six were converted from CH-47C models. The MH-47E has been used by U.S. Army Special Operations. Beginning with the E-model prototype manufactured in 1991, a total of 26 Special Operations Aircraft were produced. All aircraft were assigned to 2–160th SOAR(A) "Nightstalkers", home based at Fort Campbell, Kentucky . E models were converted from CH-47C airframes. The MH-47E has similar capabilities as

318-577: A AAFCANS kiosk (with ATM), as well as messing facilities for Soldiers, SNCO, and Officers. The Australian Army Flying Museum reopened in September 2005 in new buildings on land adjacent to the airport, after a grant was provided by the Australian Government. Distinguished guests included national and local dignitaries, including well-known aviation identity Dick Smith . The purpose-built facility includes many historical aircraft tracing

424-547: A CH-47 while taxiing. Another had a retention pin shake loose on a 20 mm cannon and was brought down when its own gun fired through the forward rotor blades. The third was grounded by enemy fire and destroyed by enemy mortar rounds after the crew escaped. During the 1970s, the United States and Iran had a strong relationship, in which the Iranian armed forces began to use many American military aircraft, most notably

530-723: A Chinook that was shot down near Kabul in Kunar Province in June 2005 with all aboard killed, including a 16-member U.S. Special Operations team. Chinook helicopters participated in the 2021 Kabul airlift at the close of military operations in Afghanistan. The Chinook's ability to carry large, underslung loads has been of significant value in relief operations in the aftermath of natural disasters . Numerous operators have chosen to deploy their Chinook fleets to support humanitarian efforts in stricken nations overseas. Following

636-699: A contract for fifteen extensively modified and upgraded CH-47Fs for the Canadian Forces , later delivered in 2013–2014 with the Canadian designation CH-147F. On 15 December 2009, Britain announced its Future Helicopter Strategy, including the purchase of twenty-four new CH-47Fs to be delivered from 2012. Australia ordered seven CH-47Fs in March 2010 to replace its six CH-47Ds between 2014 and 2017. In September 2015, India approved purchase of fifteen CH-47F Chinooks. On 7 November 2016, Singapore announced that

742-493: 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

848-503: A group of U.S. Navy SEALs. The 38 were members of NATO and allied forces, including 22 Naval Special Warfare operators, five U.S. Army Aviation soldiers, three U.S. Air Force special operations personnel, and seven Afghan National Army commandos. A civilian translator and a U.S. military working dog were also killed in the crash. The crash was the single deadliest during the entire Operation Enduring Freedom campaign. The previous biggest single-day loss for American forces in Afghanistan involved

954-591: A key operation of the war, Iranian Chinooks were landed behind Iraqi lines, deployed troops that silenced their artillery, and captured an Iraqi headquarters; the attack took the Iraqi forces by surprise. Despite the arms embargo in place upon Iran, it has managed to keep its Chinook fleet operational. Some of the Chinooks have been rebuilt by Panha . As of 2015, 20 to 45 Chinooks were operational in Iran. In 1976,

1060-699: A maximum gross weight of 33,000 lb (15,000 kg), with a maximum payload about 10,000 lb (4,500 kg) Delivery of the CH-47A Chinook to the U.S. Army began in August 1962. A total of 354 were built. The ACH-47A was known as the Armed/Armored CH-47A (or A/ACH-47A) before being designated ACH-47A as a U.S. Army Attack Cargo Helicopter, and unofficially referred to as Guns A Go-Go . Four CH-47A helicopters were converted to gunships by Boeing Vertol in late 1965. Three were assigned to

1166-464: A more substantially improved CH-47C. The CH-47B was powered by two Lycoming T55-L-7C 2,850 hp (2,130 kW) engines. It had a blunted rear rotor pylon, redesigned asymmetrical rotor blades, and strakes along the rear ramp and fuselage to improve flying characteristics. It could be equipped with two door-mounted M60D 7.62 mm NATO machine guns on the M24 armament subsystem and a ramp-mounted M60D using

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1272-567: 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

1378-695: A new tandem-rotor helicopter, designated as the Vertol Model 107 or V-107. Around the same time, the United States Department of the Army announced its intention to replace the piston-engine –powered Sikorsky CH-37 Mojave with a new, gas turbine –powered helicopter. During June 1958, the U.S. Army ordered a small number of V-107s from Vertol under the YHC-1A designation; following testing, some Army officials considered it to be too heavy for

1484-602: A number of lead plates were attached to the floor of each Chinook; even with such measures, pilots had to keep their distance from the reactors while also limiting flight times in the vicinity to a maximum of 45 minutes to avoid excessive radiation exposure. In April 2023, multiple Chinooks conducted the evacuation of the US Embassy in Khartoum, Sudan with Special Forces. (see also Sudanese civil war (2023–present) ) Chinooks have been deployed to Mali for MINUSMA . Since

1590-400: A redesigned cockpit to reduce workload, improved and redundant electrical systems and avionics, and the adoption of an advanced flight control system. It remains one of the few aircraft to be developed during the early 1960s – along with the fixed-wing Lockheed C-130 Hercules cargo aircraft – that has remained in both production and frontline service for over 60 years. The military version of

1696-467: A separate aviation medium helicopter company, the 147th, had arrived in Vietnam on 29 November 1965. This latter company was initially placed in direct support of the 1st Infantry Division . CH-47 crews quickly learned to mount an M60 machine gun in each of the forward doors. Sometimes they also installed an M2 machine gun to fire from the rear cargo door. The most spectacular mission in Vietnam for

1802-543: A single 40 mm M75 grenade launcher in the XM5/M5 armament subsystem (more commonly seen on the UH-1 series of helicopters). Rare newsreel footage shows one of the aircraft in action supporting the 8th Cavalry Regiment during an ambush at Bông Son, South Vietnam. The surviving aircraft, Easy Money , has been restored and is on display at Redstone Arsenal , Alabama. The CH-47B was an interim upgrade while Boeing worked on

1908-509: 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

2014-510: Is a tandem-rotor helicopter originally developed by American rotorcraft company Vertol and now manufactured by Boeing Defense, Space & Security . The Chinook is a heavy-lift helicopter that is among the heaviest lifting Western helicopters. Its name, Chinook, is from the Native American Chinook people of Oregon and Washington state. The Chinook was originally designed by Vertol, which had begun work in 1957 on

2120-762: Is a sub-unit of the Army History Unit, a direct command unit of the Australian Army Headquarters. Whilst the airfield is military-controlled and regulated, a small civil terminal has been maintained on the airfield for many years. The current terminal structure was built at the same time as the new buildings for the Army Flying Museum refurbishment in 2005 and shares the access road to this facility. The airfield does not cater for Regular Public Transport (RPT) airline services, however, it does provide an emergency alternative in

2226-523: 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

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2332-513: 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

2438-543: 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

2544-569: Is planning to buy sixty airframes to boost heavy lift capability. Spain had seventeen CH-47 which it is planning to upgrade CH-47F standard. By 2023, thirteen CH-47D were upgraded to CH-47F, and additionally, four new build CH-47F were acquired. There have been many versions of the Chinook over the decades, there are variants that involve major upgrades such as engines and avionics, ones for certain tasks, such as Special Operation missions, and finally there are version for certain countries, such as

2650-687: Is the CH-47F, which features several major upgrades to reduce maintenance, digitized flight controls, and is powered by two 4,733-horsepower (3,529 kW) Honeywell engines. An example of a British upgraded version is the HC.4; the first HC.4 first flew on 9 December 2010. A commercial model of the Chinook, the Boeing-Vertol Model 234, is used worldwide for logging, construction, fighting forest fires, and supporting petroleum extraction operations. In December 2006, Columbia Helicopters Inc purchased

2756-565: Is typically escorted by attack helicopters such as the AH-64 Apache for protection. Its lift capacity has been found of particular value in the mountainous terrain of Afghanistan, where high altitudes and temperatures limit the use of helicopters such as the UH-60 Black Hawk ; reportedly, one Chinook can replace up to five UH-60s in the air assault transport role. The Chinook helicopters of several nations have participated in

2862-416: 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

2968-563: The 2004 Asian tsunami , the Republic of Singapore Air Force assisted in the relief operations in neighboring Indonesia using its Chinooks; similarly, after the 2005 Kashmir earthquake , the Royal Air Force dispatched several Chinooks to Northern Pakistan to assist in recovery efforts. In August 1992, six CH-47Ds were deployed from Fort Bragg in North Carolina to provide relief in the wake of Hurricane Andrew in what

3074-662: The 2021–2022 eastern Australia floods . Aircraft flew daily sorties in support of flood affected areas such as Lismore , Murwillumbah and Ballina by transporting food, water, personnel and construction equipment. In April 2024 110 fire ant nests were detected at the base. This infestation raised concerns as it was one of the first times that the insects had been detected in the Murray-Darling Basin system. Australian Defence Force (ADF) units currently based at Oakey include: Republic of Singapore units currently based at Oakey include: The base currently utilises

3180-654: The 5th Aviation Regiment in Townsville. During 2005–06, the 1st Aviation Regiment moved its Headquarters, technical and logistic support squadrons and other elements to Robertson Barracks in Darwin. In 2006, a disbandment parade was held at Oakey for the last independent RAEME Workshop. In 2007, Boeing Australia was given the Army Aviation Training and Training Support (AATTS) contract, and commenced providing pilot, aircrew and technician training for

3286-587: The Argentine Army each deployed two CH-47C helicopters, which were widely used in general transport duties. Of the Army's aircraft, one was destroyed on the ground by 30 mm cannon fire from an RAF GR3 Harrier , while the other was captured by the British and reused after the war. Both Argentine Air Force helicopters returned to Argentina and remained in service until 2002. Three British Chinooks were destroyed on 25 May 1982 when Atlantic Conveyor

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3392-584: The Canadian Forces ' surviving CH-147Cs and upgraded them to CH-47D. Six more new CH-47Ds were delivered in 1995 for a total of 13. The Dutch CH-47Ds are improved over U.S. Army CH-47Ds, including a long nose for Bendix weather radar, a " glass cockpit ", and improved T55-L-714 engines. As of 2011, the Netherlands planned upgrading 11 of them to the CH-47F standard at a later date. As of 2011, Singapore has 18 CH-47D/SDs, which includes twelve "Super D" Chinooks, in service. In 2008, Canada purchased 6 CH-47Ds from

3498-515: 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

3604-563: The F-14 Tomcat , as part of a modernization program. After an agreement signed between Boeing and Agusta , the Imperial Iranian Air Force purchased 20 Agusta-built CH-47Cs in 1971. The Imperial Iranian Army Aviation purchased 70 CH-47Cs from Agusta between 1972 and 1976. In late 1978, Iran placed an order for an additional 50 helicopters with Elicotteri Meridionali, but that order was canceled immediately after

3710-676: The Libyan Air Force purchased 24 Italian-built CH-47C helicopters, 14 of which were transferred to the Libyan Army during the 1990s. The Libyan Air Force recruited Western pilots and technicians to operate the CH-47 fleet. The Libyan Chinooks flew transport and support missions into Chad to supply Libyan ground forces operating there in the 1980s. Chinooks were occasionally used to transport Libyan special forces in assault missions in northern Chad. In 2002, Libya sold 16 helicopters to

3816-601: The Royal Australian Electrical and Mechanical Engineers (RAEME) to provide fleet maintenance. 173 General Support Squadron and 171 Command and Liaison Squadron were formed at Oakey. During the period up to the early 1990s, aircraft types operating from the base included Bell OH-58 Kiowa , Bell UH-1 Iroquois , Sikorsky S-70A-9 Black Hawk , Pilatus Porter , and GAF Nomad . In 1998, the Army Aviation Training Centre (AAvnTC)

3922-481: 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

4028-505: The revolution ; 11 of them were delivered after multiple requests by Iran. In the 1978 Iranian Chinook shootdown , four Iranian CH-47Cs penetrated 15–20 km (9–12 mi) into Soviet airspace in the Turkmenistan Military District. They were intercepted by a MiG-23M which shot down one CH-47, killing eight crew members, and forced a second helicopter to land. Chinook helicopters were used in efforts by

4134-656: The type certificate of the Model 234 from Boeing. The Chinook has also been licensed to be built by companies outside the United States, such as Agusta (now AgustaWestland ) in Italy and Kawasaki in Japan. The Army finally settled on the larger Chinook as its standard medium-transport helicopter, and by February 1966, 161 aircraft had been delivered to the Army. The 1st Cavalry Division had brought its organic Chinook battalion (three Chinook companies) when it arrived in 1965 and

4240-472: The 53rd Aviation Detachment in South Vietnam for testing, with the remaining one retained in the U.S. for weapons testing. By 1966, the 53rd was redesignated the 1st Aviation Detachment (Provisional) and attached to the 228th Assault Support Helicopter Battalion of the 1st Cavalry Division (Airmobile). By 1968, only one gunship remained, and transport demands prevented more conversions. It was returned to

4346-559: The Afghanistan War, including aircraft from Britain, Italy, the Netherlands, Spain, Canada, and Australia. Despite the age of the Chinook, it is still in heavy demand, in part due its proven versatility and ability to operate in demanding environments such as Afghanistan. In May 2011, an Australian Army CH-47D crashed during a resupply mission in Zabul Province, resulting in one fatality and five survivors. The helicopter

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4452-702: The Army procure the Vertol -built medium transport helicopter. However, funding for full-scale development was not then available, and the Army vacillated on its design requirements. Some officials in Army Aviation thought that the new helicopter should be operated as a light tactical transport aimed at taking over the missions of the old piston-engined Piasecki H-21 and Sikorsky H-34 helicopters, and be consequently capable of carrying about 15 troops (one squad ). Another faction in Army Aviation thought that

4558-561: The CH-47F would replace its older Chinooks, which had been in service since 1994, enabling the Republic of Singapore Air Force to meet its requirements for various operations, including Search and Rescue (SAR), Aeromedical Evacuation (AME), and Humanitarian Assistance and Disaster Relief (HADR) operations. The German government announced in June 2022 that the CH-47F Block 2 was selected as the winner of its heavy helicopter program to replace its Sikorsky CH-53G Sea Stallion fleet. Germany

4664-571: The Chinook fleet was used for casualty evacuation, and due to the very heavy demand for the helicopters, they were usually overburdened with wounded. Perhaps the most cost effective use of the Chinook was the recovery of other downed aircraft. At the war's peak the US Army had 21 Chinook companies in Vietnam. Pilots discovered the CH-47A's transmission system could not handle the two gas turbines running at full power, and high humidity and heat reduced

4770-431: The Chinook presented a major problem of "customer education". Commanders and crew chiefs had to be constantly alert that eager soldiers did not overload the temptingly large cargo compartment. It would be some time before troops would be experts at using sling loads. The Chinook soon proved to be such an invaluable aircraft for artillery movement and heavy logistics that it was seldom used as an assault troop carrier. Some of

4876-446: The Chinook was the placing of artillery batteries in perilous mountain positions inaccessible by any other means, and then keeping them resupplied with large quantities of ammunition. The 1st Cavalry Division found that its CH-47s were limited to a 7,000-pound (3,200 kg) payload when operating in the mountains, but could carry an additional 1,000 pounds (450 kg) when operating near the coast. As with any new piece of equipment,

4982-780: The Corps base. The 6 Aviation Squadron (Reconnaissance) relocated from RAAF Amberley . Army Aviation units were raised, including the Headquarters Army Aviation Centre to control the airfield, and the Army Aviation Centre Base Squadron. By the end of 1973, the remainder of 1st Aviation Regiment had relocated, including the School of Army Aviation formed from the Training Squadron, and the 5 Base Workshop Battalion of

5088-515: The HC-1B was redesignated CH-47A under the 1962 United States Tri-Service aircraft designation system . The Chinook possesses several means of loading various cargoes, including multiple doors across the fuselage, a wide loading ramp located at the rear of the fuselage and a total of three external ventral cargo hooks to carry underslung loads. Capable of a top speed of 170 knots (200 mph; 310 km/h), upon its introduction to service in 1962,

5194-461: The Huey and the Army's tacticians' insistence that initial air assaults be built around the squad. The Army pushed for both the Huey and the Chinook, and this focus was responsible for the acceleration of its air mobility effort. Improved and more powerful versions of the CH-47 have been developed since the helicopter entered service. Often the same airframe was upgraded to later standards, or sometimes

5300-523: 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

5406-573: The Iranian against Kurdish rebels in 1979. During the Iran–Iraq War , Iran made heavy use of its US-bought equipment, and lost at least eight CH-47s during the 1980–1988 period, most notably during a clash on 15 July 1983, when an Iraqi Mirage F1 destroyed three Iranian Chinooks transporting troops to the front line, and on 25–26 February 1984, when Iraqi MiG-21 fighters shot down two examples. On 22 March 1982, in Operation Fath ol-Mobin ,

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5512-495: The J model built by and for Japan. The pre-1962 designation for Model 114 development aircraft that would be redesignated CH-47 Chinook. The all-weather, medium-lift CH-47A Chinook was powered initially by Lycoming T55 -L-5 engines rated at 2,200 horsepower (1,640 kW), which were replaced by the T55-L-7 rated at 2,650 hp (1,980 kW) engines or T55-L-7C engines rated at 2,850 hp (2,130 kW). The CH-47A had

5618-586: The Kiowa and Black Hawk helicopters and operational fleet maintenance. In 2010, a new expanded contract was awarded to include most facets of the military rotary wing flying training for Kiowa, Black Hawk and Chinook helicopters. In 2009, the 173rd Aviation Squadron ceased operations at Oakey, transferring the unit's Beechcraft King Air 350s to the RAAF . In 2010, with the realignment of the Army Chain of Command,

5724-538: The M41 armament subsystem. Some CH-47 "bombers" were equipped to drop tear gas or napalm from the rear cargo ramp onto Viet Cong bunkers. The CH-47B could be equipped with a hoist and cargo hook. The Chinook proved especially valuable in "Pipe Smoke" aircraft recovery missions. The "Hook" recovered about 12,000 aircraft valued at over $ 3.6 billion during the war; 108 were built. The CH-47C featured more powerful engines and transmissions. Three sub-versions were built,

5830-714: The MH-47D, but with increased fuel capacity similar to the CH-47SD and terrain following/terrain avoidance radar. In 1995, the Royal Air Force ordered eight Chinook HC3s , effectively a lower cost MH-47E for special operations. They were delivered in 2001, but never became operational due to technical issues with their avionics fit, unique to the HC3. In 2008, work started to revert the HC3s to HC2 standard, to enable them to enter service. As of 2017 they were upgraded to HC5 standard with

5936-462: 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 . Boeing CH-47 Chinook The Boeing CH-47 Chinook

6042-560: The U.S. for the Canadian Helicopter Force Afghanistan for $ 252 million. With 1 CH-47D lost to an accident, the remaining five were sold in 2011 after the end of Canada's Afghanistan mission and replaced with seven CH-147Fs. The U.S. Army is surplusing many of its CH-47Ds for use in FAA restricted category. The MH-47D was developed for special forces operations and has inflight refueling capability,

6148-711: The United Arab Emirates, as due to the Western embargo and lack of funds, maintaining them was difficult. The sale to UAE was a $ 939 million package that included equipment, parts, and training. The number of CH-47s still in existence or operational during the ongoing Libyan civil wars that started in 2011 is not known. The Chinook was used both by Argentina and the United Kingdom during the Falklands War in 1982. The Argentine Air Force and

6254-400: The United States Department of the Army announced its intention to replace the Sikorsky CH-37 Mojave , which was powered by piston engines , with a new, gas turbine-powered helicopter. Turbine engines were also a key design feature of the smaller UH-1 "Huey" utility helicopter. Following a design competition, in September 1958, a joint Army–Air Force source selection board recommended that

6360-404: The United States, and the program stopped. The ACH-47A carried five 7.62 × 51 mm M60D machine guns or .50-caliber (12.7 mm) M2HB heavy machine guns , provided by the XM32 and XM33 armament subsystems, two 20 mm M24A1 cannons , two 19-tube 2.75-inch (70 mm) Folding Fin Aerial Rocket launchers (XM159B/XM159) or sometimes two M18/M18A1 7.62 × 51 mm gun pods , and

6466-481: 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

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6572-406: The airframes were built to the newer upgrade. The U.S. Army's first major design leap was the now-common CH-47D, which entered service in 1982. Improvements from the CH-47C included upgraded engines, composite rotor blades, a redesigned cockpit to reduce pilot workload, improved and redundant electrical systems, an advanced flight control system, and improved avionics. The latest mainstream generation

6678-440: 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,

6784-418: 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

6890-421: The assault missions and too light for transport purposes. While the YHC-1A would be improved and adopted by the U.S. Marine Corps as the CH-46 Sea Knight , the Army sought a heavier transport helicopter, and ordered an enlarged derivative of the V-107 with the Vertol designation Model 114. Initially designated as the YCH-1B , on 21 September 1961, the preproduction rotorcraft performed its maiden flight . In 1962,

6996-436: The base units of the Army Aviation Training Centre came under the control and responsibility of the Army Forces Command. In 2021, the Army Aviation Training Centre transferred from Forces Command to the newly established Army Aviation Command . In 2021, the Australian 5th Aviation Regiment and Singaporean 127 Squadron formed Multinational Task Group Chinook, with each providing 3 CH-47F Chinook (a total of 6) in support of

7102-405: The cargo lifting and dropping. While hovering over a specific location, a twin-rotor helicopter has increased stability over a single rotor when weight is added or removed, for example, when troops drop from or begin climbing up ropes to the aircraft, or when other cargo is dropped. If one engine fails, the other can drive both rotors. The "sizing" of the Chinook was directly related to the growth of

7208-423: 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

7314-402: The designation of HC-1B. On 21 September 1961, the preproduction Boeing Vertol YCH-1B made its initial hovering flight. During 1962, the HC-1B was redesignated the CH-47A under the 1962 United States Tri-Service aircraft designation system ; it was also named "Chinook" after the Chinook people of the Pacific Northwest. The CH-47 is powered by two turboshaft engines, mounted on each side of

7420-439: The development of its Reusable Launch Vehicle Technology Demonstration Program , with Chinook helicopters air-dropping two test vehicles during the RLV-LEX-01 and RLV-LEX-02 conducted on April 2, 2023, and March 22, 2024, respectively. In February 2007, the Royal Netherlands Air Force became the first international customer of the CH-47F model, expanding their Chinook fleet to seventeen. On 10 August 2009, Canada signed

7526-730: 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

7632-545: The event of adverse weather. Associated with military training at OAAC are two satellite site airfields. Located 22 kilometres north-west is Brymaroo . Further west is Wyoming airfield. Both fields are for military use only. 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

7738-557: 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

7844-413: The first with Lycoming T55-L-7C engines delivering 2,850 shp (2,130 kW). The "Super C" had Lycoming T55-L-11 engines delivering 3,750 shp (2,800 kW), an upgraded maximum gross weight of 46,000 lb (21,000 kg), and pitch stability augmentation. The T55-L-11 engines were less reliable, as they had been hurriedly introduced to increase payload; thus, they were temporarily replaced by

7950-405: The following aircraft types: Visiting types include: Warbirds: The base facilities include accommodation for students attending courses and single members working on the base. Other facilities include tennis courts, squash courts, basketball and netball court, football ovals, heated 25 m (82 ft) indoor swimming pool, an equipped gymnasium, defence banking and credit union branches, and

8056-478: 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

8162-597: 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

8268-536: The gunners from firing into the rotor blades. Dust filters were also added to improve engine reliability. Of the nearly 750 Chinook helicopters in the U.S. and South Vietnam fleets, about 200 were lost in combat or wartime operational accidents. The U.S. Army CH-47s supported the 1st Australian Task Force as required. Four CH-47s were converted into ACH-47As by adding armor and improved engines. Its armament included two fixed forward firing M24A1 20 mm cannons , one turret with 40 mm automatic grenade launcher on

8374-508: The helicopter has been exported to nations across the world; the U.S. Army and the Royal Air Force (see Boeing Chinook (UK variants) ) have been its two largest users. The civilian version of the Chinook is the Boeing Vertol 234. It has been used by civil operators not only for passenger and cargo transport, but also for aerial firefighting and to support logging , construction , and oil extraction industries. During late 1956,

8480-625: The helicopter was considerably faster than contemporary 1960s utility helicopters and attack helicopters , and is still one of the fastest helicopters in the US inventory. Improved and more powerful versions of the Chinook have also been developed since its introduction; one of the most substantial variants to be produced was the CH-47D, which first entered service in 1982; improvements from the CH-47C standard included upgraded engines, composite rotor blades,

8586-422: The helicopter's rear pylon and connected to the rotors by drive shafts. Initial models were fitted with Lycoming T55 engines rated at 2,200 hp (1,600 kW) each. The counter-rotating rotors eliminate the need for an antitorque vertical rotor, allowing all power to be used for lift and thrust. The ability to adjust lift in either rotor makes it less sensitive to changes in the center of gravity, important for

8692-697: The history of the Aviation Corps in the Australian Army and back to the Australian Flying Corps during World War I . Featured aircraft in the collection include Bell 47 , Bell OH-58 Kiowa , GAF Nomad , Pilatus PC-6 Porter , and Cessna 180 . The museum maintains a significant collection of artefacts dating from the inception of the Army Flying Corps and WWI to the present day. The Australian Army Flying Museum

8798-487: 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

8904-464: The maximum lift by more than 20% in the low lands and 30% in mountain areas. More powerful, improved transmission and strengthened fuselages arrived in 1968 with the CH-47B, followed a few months later by the CH-47C. The CH-47s in Vietnam were generally armed with a single 0.308 in ( 7.62 mm ) M60 machine gun on a pintle mount on either side of the aircraft for self-defense, with stops fitted to keep

9010-510: The more reliable Lycoming T55-L-7C. The Super C was distinguishable from the standard "C" by the uprated maximum gross weight. The type was not approved by the FAA for civil aviation due to the nonredundant hydraulic flight boost system drive. The hydraulic system was redesigned for the succeeding CH-47D, allowing it to achieve certification as the Boeing Model 234. A total of 233 CH-47Cs were built. Canada bought eight CH-47Cs; deliveries of

9116-612: 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

9222-401: The new helicopter should be much larger, enabling it to airlift large artillery pieces and possess enough internal space to carry the new MGM-31 "Pershing" missile system . During 1957, Vertol commenced work upon a new tandem-rotor helicopter, designated as the Vertol Model 107 or V-107. During June 1958, the U.S. Army awarded a contract to Vertol for the acquisition of a small number of

9328-442: The nose, five .50 in machine guns and two weapon pods on the sides that could carry either XM159B/XM159C 70 mm rocket launchers or 7.62 mm miniguns. They arrived in Vietnam in 1966, and they engaged in six months of operational testing at An Khê Army Airfield . They performed well in combat, but its high maintenance costs and demand for use in troop and cargo transport was stronger. Three ACH-47s were lost. One collided with

9434-416: 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

9540-441: The principal mover of the 155 mm M198 howitzer , plus 30 rounds of ammunition, and an 11-man crew. The CH-47D has advanced avionics, including Global Positioning System . Nearly all US Army CH-47Ds were converted from previous A, B, and C models, a total of 472 being converted. The last U.S. Army CH-47D built was delivered to the U.S. Army Reserve , located at Fort Hood, Texas , in 2002. The Netherlands acquired all seven of

9646-457: The rotorcraft, giving it the YHC-1A designation. As ordered, the YHC-1A possessed the capacity to carry a maximum of 20 troops. Three underwent testing by the Army for deriving engineering and operational data. However, the YHC-1A was considered by many figures within the Army users to be too heavy for the assault role, while too light for the more general transport role. Accordingly, a decision

9752-429: The same airframe as earlier models, with more powerful engines. Early CH-47Ds were powered by two T55-L-712 engines. The most common engine is the later T55-GA-714A. With its triple-hook cargo system, the CH-47D can carry heavy payloads internally and up to 26,000 lb (12,000 kg) (such as 40-foot or 12-meter containers) externally. It was introduced into service in 1979. In air assault operations, it often serves as

9858-506: 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

9964-500: 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

10070-616: The subsequent Operation Desert Storm in 1990–91. The CH-47D has seen wide use in Operation Enduring Freedom in Afghanistan and Operation Iraqi Freedom in Iraq. The Chinook is being used in air assault missions, inserting troops into fire bases , and later bringing food, water, and ammunition. It is also the casualty evacuation aircraft of choice in the British Armed Forces . In combat theaters , it

10176-413: The two dozen distribution centers and trucks, proving essential as trucks could not reach the worst hit areas due to downed trees and power lines. They flew everyday for approximately three weeks, moving supplies and personnel around the disaster zone as well as carrying media and government officials, including then Congressman Bill Nelson . Ultimately, the Chinooks supplied 64 distribution sites throughout

10282-515: 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

10388-476: The type began in 1974. Receiving the Canadian designation "CH-147", these were fitted with a power hoist above the crew door; other changes included a flight engineer station in the rear cabin: operators referred to the configuration as the "Super C". The CH-47C was used widely during the Vietnam War, eventually replacing the older Piasecki H-21 Shawnee in the combat assault support role. The CH-47D shares

10494-624: The type's inception, the Chinook has carried out various secondary missions, including medical evacuation, disaster relief, search and rescue, aircraft recovery, fire fighting, and heavy construction assistance. In February 2020, the Indian Air Force started using Chinooks at theatres such as Ladakh and Siachen Glacier to assist Indian forces deployed at the Indian borders with China and Pakistan . The Indian Space Research Organisation has also enlisted Indian Air Force Chinooks during

10600-473: The zone and transported 1.2 million pounds of supplies before the urgent relief phase ended. Three of Japan's CH-47s were used to cool Reactors 3 and 4 of the Fukushima Nuclear power plant following the 9.0 earthquake in 2011 ; they were used to collect sea water from the nearby ocean and drop it over the affected areas. In order to protect the crew from the heightened radiation levels present,

10706-684: Was constructed in 1943 by the Royal Australian Air Force as RAAF Base Oakey. It was a training facility, for No. 6 Aircraft Depot and an overflow aircraft maintenance depot for RAAF Base Amberley . It stored surplus aircraft after the war. In July 1968, the Australian Army Aviation Corps was formed, with the Department of Civil Aviation aerodrome at Oakey transferred to Army control in July 1969 for

10812-910: Was formed at Oakey to command the School of Army Aviation (SAA), the Australian Defence Force Helicopter School , later renamed the Army Helicopter School (AHS) and the RAEME Aircraft Maintenance School, later renamed the Rotary Wing Aircraft Maintenance School (RAMS). In 2001, the Army Helicopter School was moved from RAAF Fairbairn to Oakey. In 2004, the Iroquois helicopters from the 1st Aviation Regiment at Oakey were moved to

10918-573: Was made to procure a heavier transport helicopter, and at the same time, upgrade the UH-1 "Huey" to serve as the needed tactical troop transport. The YHC-1A would be improved and adopted by the Marines as the CH-46 Sea Knight in 1962. As a result, the Army issued a new order to Vertol for an enlarged derivative of the V-107, known by internal company designation as the Model 114, which it gave

11024-750: Was one of the first major helicopter disaster relief operations on US soil. Then President George H. W. Bush ordered the military to assist. The Chinooks arrived at Miami-Opa Locka Executive Airport , just outside of the disaster zone, one day after the President's order; early on, they performed a wide loop over Homestead and Florida City to publicly display their presence, helping to curtail lawlessness and looting. The Chinooks initially flew twelve sorties per day out of Opa Locka, which expanded over time, often supporting distribution operations at Homestead AFB and Opa Locka, as well as delivering relief payloads via internal storage, not using sling loads, supplementing

11130-489: Was struck by an Exocet sea-skimming missile fired by an Argentine Super Étendard . The sole surviving British Chinook, Bravo November , did outstanding service in the Falklands, lifting 81 troops on one occasion. Since April 2022, it has been on display at Royal Air Force Museum Cosford . About 163 CH-47Ds of various operators were deployed to Saudi Arabia , Kuwait , and Iraq during Operation Desert Shield and

11236-572: Was unable to be recovered and was destroyed in place. To compensate for the loss, the ADF added two ex-U.S. Army CH-47Ds to the fleet which are expected to be in service until the introduction of the CH-47Fs in 2016. On 6 August 2011, a Chinook crashed near Kabul, killing all of the 38 aboard. The Chinook was reportedly shot down with a rocket-propelled grenade by the Taliban while attempting to assist

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