A prohibited airspace is an area (volume) of

airspace Airspace is the portion of the atmosphere controlled by a country above its territory, including its territorial waters or, more generally, any specific three-dimensional portion of the atmosphere. It is not the same as aerospace, which is th ...

within which flight of aircraft is not allowed, usually due to security concerns. It is one of many types of special use airspace designations and is depicted on

aeronautical chart An aeronautical chart is a map designed to assist in the navigation of aircraft, much as nautical charts do for watercraft, or a roadmap does for drivers. Using these charts and other tools, pilots are able to determine their position, safe alt ...

s with the letter "P" followed by a serial number. It differs from

restricted airspace Restricted airspace is an area of airspace typically used by the military in which the local controlling authorities have determined that air traffic must be restricted or prohibited for safety or security concerns. It is one of many types of s ...

in that entry is typically forbidden at all times from all aircraft and is not subject to clearance from ATC or the airspace's controlling body. According to the U.S.

Federal Aviation Administration The Federal Aviation Administration (FAA) is the largest transportation agency of the U.S. government and regulates all aspects of civil aviation in the country as well as over surrounding international waters. Its powers include air traffic m ...

(FAA): "Prohibited areas contain airspace of defined dimensions identified by an area on the surface of the earth within which the flight of aircraft is prohibited. Such areas are established for security or other reasons associated with the national welfare. These areas are published in the Federal Register and are depicted on aeronautical charts." Prohibited Area P-40 Camp David

Some prohibited airspace may be supplemented via

NOTAM A Notice to Airmen/Notice to Air Missions (NOTAM), is a notice filed with an aviation authority to alert aircraft pilots of potential hazards along a flight route or at a location that could affect the flight. NOTAMs are unclassified notices or ...

s. For example, Prohibited Area 40 (P-40) and Restricted Area 4009 (R4009) often have additional restricted airspace added via a NOTAM when the

President of the United States The president of the United States (POTUS) is the head of state and head of government of the United States of America. The president directs the executive branch of the federal government and is the commander-in-chief of the United Stat ...

visits

Camp David Camp David is the country retreat for the president of the United States of America. It is located in the wooded hills of Catoctin Mountain Park, in Frederick County, Maryland, near the towns of Thurmont and Emmitsburg, about north-northwe ...

Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean to ...

, while normally the airspace outside of P-40 and R4009 is not prohibited/restricted. Violating prohibited airspace established for national security purposes may result in military interception and/or the possibility of an attack upon the violating aircraft, or if this is avoided then large fines and jail time are often incurred. Aircraft violating or about to violate prohibited airspace are often warned beforehand on 121.5 MHz, the emergency frequency for aircraft.

List of prohibited airspaces

Australia

* Australia currently has no prohibited airspaces. Previously, The Pine Gap Joint Defence Facility near

Alice Springs Alice Springs ( aer, Mparntwe) is the third-largest town in the Northern Territory of Australia. Known as Stuart until 31 August 1933, the name Alice Springs was given by surveyor William Whitfield Mills after Alice, Lady Todd (''née'' Al ...

was designated as a permanent no-fly zone. This airspace has since been changed to a restricted area (RA3).

China

Tiananmen Square Tiananmen Square or Tian'anmen Square (; 天安门广场; Pinyin: ''Tiān'ānmén Guǎngchǎng''; Wade–Giles: ''Tʻien1-an1-mên2 Kuang3-chʻang3'') is a city square in the city center of Beijing, China, named after the eponymous Tiananmen (" ...

* Any airlines overflying China from Europe to

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...

with the exception of

British Airways British Airways (BA) is the flag carrier airline of the United Kingdom. It is headquartered in London London is the capital and List of urban areas in the United Kingdom, largest city of England and the United Kingdom, with a populati ...

KLM KLM Royal Dutch Airlines, legally ''Koninklijke Luchtvaart Maatschappij N.V.'' (literal translation: Royal Aviation Company Plc.), is the flag carrier airline of the Netherlands. KLM is headquartered in Amstelveen, with its hub at nearby Amste ...

and

Air France Air France (; formally ''Société Air France, S.A.''), stylised as AIRFRANCE, is the flag carrier of France headquartered in Tremblay-en-France. It is a subsidiary of the Air France–KLM Group and a founding member of the SkyTeam global air ...

Cuba

* Unscheduled foreign aircraft are prohibited from entering or encroaching Cuban airspace including disputed international water zones except when permission has been explicitly given by the Cuban Government. The Cuban military has been known to shoot down and destroy unauthorised aircraft without warning including a 1996 incident in which two U.S.-registered aircraft were shot down and destroyed by Cuban Air Force MiGs.

Finland

Loviisa Nuclear Power Plant The Loviisa Nuclear Power Plant (NPP) ( fi, Loviisan ydinvoimalaitos, sv, Lovisa kärnkraftverk) is located close to the Finnish town of Loviisa. It houses two Soviet-designed VVER-440 PWR reactors, with capacities of 507 MW each. I ...

Loviisa Loviisa (; sv, Lovisa ; formerly Degerby) is a municipality and town of inhabitants () on the southern coast of Finland. It is located from Helsinki and from Porvoo. About 43 per cent of the population is Swedish-speaking. The municipality co ...

Olkiluoto Nuclear Power Plant The Olkiluoto Nuclear Power Plant ( fi, Olkiluodon ydinvoimalaitos, sv, Olkiluoto kärnkraftverk) is one of Finland's two nuclear power plants, the other being the two-unit VVER Loviisa Nuclear Power Plant. The plant is owned and operated by ...

Eurajoki Eurajoki ( sv, Euraåminne) is a municipality of Finland located in the region of Satakunta in the province of Western Finland. The municipality has a population of () and covers an area of of which is water. The population density is . The mu ...

* Kilpilahti oil refinery,

Porvoo Porvoo (; sv, Borgå ; la, Borgoa) is a city and a municipality in the Uusimaa region of Finland, situated on the southern coast about east of the city border of Helsinki and about from the city centre. Porvoo was one of the six medieval to ...

Munkkiniemi Munkkiniemi ( sv, Munksnäs, Helsinki slang: ''Munkka'') is a neighbourhood in Helsinki. Subdivisions within the district are Vanha Munkkiniemi, Kuusisaari, Lehtisaari, Munkkivuori, Niemenmäki and Talinranta. The land in Munkkiniemi was from th ...

Helsinki Helsinki ( or ; ; sv, Helsingfors, ) is the Capital city, capital, primate city, primate, and List of cities and towns in Finland, most populous city of Finland. Located on the shore of the Gulf of Finland, it is the seat of the region of U ...

Kruununhaka Kruununhaka (; ) is a neighbourhood of Helsinki, the capital of Finland. Kruununhaka became the area next to the harbour and the center, when Helsinki was moved from the earlier location in the mid-1660s. From the very beginning, the residents i ...

, Helsinki *

Meilahti Meilahti (in Swedish Mejlans) is a neighbourhood of Helsinki between Mannerheimintie (the main entrance road to Helsinki) and a bay named Seurasaarenselkä. Most of the houses in Meilahti were built in the 1930s and 1940s. Meilahti is home to ove ...

, Helsinki *

Luonnonmaa Luonnonmaa is an island in the city of Naantali, in south-western Finland. It forms most of the city's area, but only a fraction of its population as it is rather sparsely populated. It previously belonged to the rural municipality of Naantali ('' ...

Naantali Naantali (; sv, Nådendal) is a town in southwestern Finland, and, as a resort town during the summer, an important tourist centre of the country. The municipality has a population of (), and is located in the region of Southwest Finland, west ...

Hanhikivi Nuclear Power Plant The Hanhikivi Nuclear Power Plant ( fi, Hanhikiven ydinvoimalaitos, sv, Hanhikivi kärnkraftverk) was a project to build a nuclear power plant on the Finnish Hanhikivi peninsula, in the municipality of Pyhäjoki. It was planned to house one Ru ...

Pyhäjoki Pyhäjoki (; literally the " Holy River") is a municipality of Finland. It is located in the defunct province of Oulu, which was split in two regions; Pyhäjoki is part of the Northern Ostrobothnia region. It is located southwest of the city of O ...

France

* All traffic is prohibited above

Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. S ...

. Exceptions include military aircraft and civil aeroplanes flying no lower than . Authorisations are either given by the

Ministry of Defence {{unsourced, date=February 2021 A ministry of defence or defense (see spelling differences), also known as a department of defence or defense, is an often-used name for the part of a government responsible for matters of defence, found in states ...

, for military aircraft, or by the

Paris Police Prefecture The police prefecture (french: préfecture de police) is the unit of the French Ministry of the Interior that provides police, emergency services, and various administrative services to the population of the city of Paris and the surrounding t ...

and the

Directorate General for Civil Aviation Directorate may refer to: Contemporary *Directorates of the Scottish Government * Directorate-General, a type of specialised administrative body in the European Union * Directorate-General for External Security, the French external intelligence a ...

for civil ones. Moreover, the flying of helicopters within the limits of Paris (designated the

Boulevard Périphérique The Boulevard Périphérique (), often called the Périph', is a controlled-access dual-carriageway ring road in Paris, France. With a few exceptions (see '' Structure and Layout''), it is situated along Paris's administrative limit. The sp ...

) is also forbidden. Special authorisation can be granted by the Prefecture of Police for helicopters undertaking precise missions such as police air-surveillance, air ambulances but also transport of high-profile personalities. * Although not within Paris boundaries, the business district of

La Défense La Défense () is a major business district in France, located west of the city limits of Paris. It is part of the Paris metropolitan area in the Île-de-France region, located in the department of Hauts-de-Seine in the communes of Courbevoie, ...

has been placed under prohibited airspace in response to

9/11 The September 11 attacks, commonly known as 9/11, were four coordinated suicide terrorist attacks carried out by al-Qaeda against the United States on Tuesday, September 11, 2001. That morning, nineteen terrorists hijacked four commercial ...

Greece

*All traffic is prohibited above the

Parthenon The Parthenon (; grc, Παρθενών, , ; ell, Παρθενώνας, , ) is a former temple on the Athenian Acropolis, Greece, that was dedicated to the goddess Athena during the fifth century BC. Its decorative sculptures are considere ...

below . This includes aircraft departing from

Eleftherios Venizelos International Airport Athens International Airport ''Eleftherios Venizelos'' ( el, Διεθνής Αερολιμένας Αθηνών «Ελευθέριος Βενιζέλος», ''Diethnís Aeroliménas Athinón "Elefthérios Venizélos"''), commonly initialised as ...

Hungary

Budapest Budapest (, ; ) is the capital and most populous city of Hungary. It is the ninth-largest city in the European Union by population within city limits and the second-largest city on the Danube river; the city has an estimated population ...

(

Inner city The term ''inner city'' has been used, especially in the United States, as a euphemism for majority-minority lower-income residential districts that often refer to rundown neighborhoods, in a downtown or city centre area. Sociologists some ...

and

Buda Hills The Buda Hills ( Hungarian: ''Budai-hegység'') are a low mountain range of numerous hills which dot the Buda side of Budapest, capital of Hungary. The most famous ones located within city limits are Gellért Hill, Castle Hill, Rózsadomb, , J ...

) ** Hungarian Parliament Building, including the heavily protected

Holy Crown of Hungary The Holy Crown of Hungary ( hu, Szent Korona; sh, Kruna svetoga Stjepana; la, Sacra Corona; sk, Svätoštefanská koruna , la, Sacra Corona), also known as the Crown of Saint Stephen, named in honour of Saint Stephen I of Hungary, was the c ...

Buda Castle Buda Castle ( hu, Budavári Palota, german: link=no, Burgpalast) is the historical castle and palace complex of the Hungarian Kings in Budapest. It was first completed in 1265, although the massive Baroque palace today occupying most of the si ...

, including

Sándor Palace Sándor is a Hungarian given name and surname. It is the Hungarian form of Alexander. It may refer to: People Given name * Sándor Apponyi (1844–1925) was a Hungarian diplomat, bibliophile, bibliographer and great book collector *Sándor Bo ...

(home to the

president President most commonly refers to: *President (corporate title) *President (education), a leader of a college or university *President (government title) President may also refer to: Automobiles * Nissan President, a 1966–2010 Japanese ful ...

and his family) **

Hungarian National Bank The Hungarian National Bank ( hu, Magyar Nemzeti Bank (MNB)) is the central bank of Hungary and as such part of the European System of Central Banks (ESCB). The Hungarian National Bank was established in 1924 and succeeded the Royal Hungarian St ...

HQ **

Hungarian National Museum The Hungarian National Museum ( hu, Magyar Nemzeti Múzeum) was founded in 1802 and is the national museum for the history, art, and archaeology of Hungary, including areas not within Hungary's modern borders, such as Transylvania; it is not to ...

** Saint Stephen's Basilica, including the heavily protected Holy Right, the right hand of

Saint Stephen Stephen ( grc-gre, Στέφανος ''Stéphanos'', meaning "wreath, crown" and by extension "reward, honor, renown, fame", often given as a title rather than as a name; c. 5 – c. 34 AD) is traditionally venerated as the protomartyr or first ...

(the founder of

Hungary Hungary ( hu, Magyarország ) is a landlocked country in Central Europe. Spanning of the Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the south, Croatia a ...

) ** Atomic bunker F4 **

Research reactor Research reactors are nuclear fission-based nuclear reactors that serve primarily as a neutron source. They are also called non-power reactors, in contrast to power reactors that are used for electricity production, heat generation, or maritim ...

of the MTA Central Physical Research Institute in

Paks Paks is a small town in Tolna county, in the south of Hungary, on the right bank of the Danube River, 100 km south of Budapest. Paks as a former agricultural settlement is now the home of the only Hungarian nuclear power plant, which provi ...

(area around

Paks Nuclear Power Plant The Paks Nuclear Power Plant ( hu, Paksi atomerőmű), located from the small town of Paks, central Hungary, is the first and only operating nuclear power station in Hungary. In 2019, its four reactors produced more than 50% of Hungary's ele ...

) *Bases of the Hungarian Homeland Defence Forces through the country (including

Kecskemét Air Base Kecskemét Air Base is a military air base located near Kecskemét, a city in Bács-Kiskun county, Hungary. The base is the venue for the Kecskemét Air Show. Facilities The air base resides at an elevation of above mean sea level. It has one ...

Pápa Air Base Pápa Air Base is a military airbase located near Pápa, Hungary. The building of the airport started in 1936. The Hungarian Air Force has three active air bases, and is the only active air base in western Hungary. During World War II, several ...

Szolnok Air Base Szolnok Air Base is a military air base located near Szolnok, a city in Jász-Nagykun-Szolnok county, Hungary. Facilities The air base resides at an elevation of above mean sea level. It has one runway designated 02/20 with an asphalt surface ...

) *

National parks A national park is a natural park in use for conservation purposes, created and protected by national governments. Often it is a reserve of natural, semi-natural, or developed land that a sovereign state declares or owns. Although individual ...

and

holiday resort A resort (North American English) is a self-contained commercial establishment that tries to provide most of a vacationer's wants, such as food, drink, swimming, lodging, sports, entertainment, and shopping, on the premises. The term ''resor ...

s (including

Lake Balaton Lake Balaton () is a freshwater lake in the Transdanubian region of Hungary. It is the largest lake in Central Europe, and one of the region's foremost tourist destinations. The Zala River provides the largest inflow of water to the lake, and th ...

and

Hortobágy National Park Hortobágy () is an 800 km2 national park in eastern Hungary, rich with folklore and cultural history. The park, a part of the Alföld (Great Plain), was designated as a national park in 1973 (the first in Hungary), and elected among the W ...

)

India

* The

Rashtrapati Bhavan The Rashtrapati Bhavan (, rāsh-truh-puh-ti bha-vun; ; originally Viceroy's House and later Government House) is the official residence of the President of India at the western end of Rajpath, Raisina Hill, New Delhi, India. Rashtrapati Bh ...

in Delhi. * Parliament Building, Prime Minister's residence, and other important centres in

New Delhi New Delhi (, , ''Naī Dillī'') is the capital of India and a part of the National Capital Territory of Delhi (NCT). New Delhi is the seat of all three branches of the government of India, hosting the Rashtrapati Bhavan, Parliament House ...

. * The airspace around many Defence and

Indian Air Force The Indian Air Force (IAF) is the air arm of the Indian Armed Forces. Its complement of personnel and aircraft assets ranks third amongst the air forces of the world. Its primary mission is to secure Indian airspace and to conduct aerial w ...

bases are restricted, although new proposals are suggesting opening them for civilian aircraft. *

Tirumala Venkateswara Temple Sri Venkateswara Swami Vaari Temple is a Hindu temple situated in the hill town of Tirumala at Tirupati in Tirupati district of Andhra Pradesh, India. The Temple is dedicated to Venkateswara, a form of Vishnu, who is believed to have appeared ...

Tirupati Tirupati () is a city in the Indian state of Andhra Pradesh. It is the administrative headquarters of the Tirupati district. The city is home to the important Hindu shrine of Tirumala Venkateswara Temple and other historic temples and is refe ...

state of

Andhra Pradesh Andhra Pradesh (, abbr. AP) is a state in the south-eastern coastal region of India. It is the seventh-largest state by area covering an area of and tenth-most populous state with 49,386,799 inhabitants. It is bordered by Telangana to the ...

. *

Padmanabhaswamy Temple The Shree Padmanabhaswamy Temple is a Hindu temple located in Thiruvananthapuram, the capital of the state of Kerala, India. The name of the city of 'Thiruvananthapuram' in Tamil and Malayalam translates to "The City of Lord Ananta" (The City ...

Thiruvananthapuram district Thiruvananthapuram District (), is the southernmost district in the Indian state of Kerala. The district was created in 1949, with its headquarters in the city of Thiruvananthapuram, which is also Kerala's administrative centre. The present d ...

state of

Kerala Kerala ( ; ) is a state on the Malabar Coast of India. It was formed on 1 November 1956, following the passage of the States Reorganisation Act, by combining Malayalam-speaking regions of the erstwhile regions of Cochin, Malabar, South ...

. * The

Taj Mahal The Taj Mahal (; ) is an Islamic ivory-white marble mausoleum on the right bank of the river Yamuna in the Indian city of Agra. It was commissioned in 1631 by the Mughal emperor Shah Jahan () to house the tomb of his favourite wife, Mu ...

Agra Agra (, ) is a city on the banks of the Yamuna river in the Indian state of Uttar Pradesh, about south-east of the national capital New Delhi and 330 km west of the state capital Lucknow. With a population of roughly 1.6 million, Agra is ...

, State of

Uttar Pradesh Uttar Pradesh (; , 'Northern Province') is a state in northern India. With over 200 million inhabitants, it is the most populated state in India as well as the most populous country subdivision in the world. It was established in 1950 ...

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

* The Tower of Silence,

Mumbai Mumbai (, ; also known as Bombay — the official name until 1995) is the capital city of the Indian state of Maharashtra and the ''de facto'' financial centre of India. According to the United Nations, as of 2018, Mumbai is the second- ...

. * Mathura Refinery *

Bhabha Atomic Research Centre The Bhabha Atomic Research Centre (BARC) is India's premier nuclear research facility, headquartered in Trombay, Mumbai, Maharashtra, India. It was founded by Homi Jehangir Bhabha as the Atomic Energy Establishment, Trombay (AEET) in January 195 ...

Sriharikota Sriharikota is a Barrier island off the Bay of Bengal coast located in the Shar Project settlement of Tirupati district in Andhra Pradesh, India. It houses the Satish Dhawan Space Centre, one of the two satellite launch centres in India (the o ...

Space Station in Nellore district state of

. * A 10-km radius no-fly zone over Kalpakkam nuclear installation, Tamil Nadu. All flight activity to over the Kalpakkam area is prohibited. * Golden Temple in

Amritsar Amritsar (), historically also known as Rāmdāspur and colloquially as ''Ambarsar'', is the second largest city in the Indian state of Punjab, after Ludhiana. It is a major cultural, transportation and economic centre, located in the Majha r ...

Punjab Punjab (; Punjabi: پنجاب ; ਪੰਜਾਬ ; ; also romanised as ''Panjāb'' or ''Panj-Āb'') is a geopolitical, cultural, and historical region in South Asia, specifically in the northern part of the Indian subcontinent, comprising ...

Ireland

Portlaoise Prison Portlaoise Prison ( ga, Príosún Phort Laoise) is a maximum security prison in Portlaoise, County Laois, Ireland. Until 1929 it was called the Maryborough Gaol. It should not be confused with the Midlands Prison, which is a newer, medium secur ...

Limerick Prison Limerick Prison in Limerick is an Irish penal institution. It is a closed, medium security prison, and has an official capacity of 290 male beds and 20 female beds. The average daily number of male inmates in 2009 was 298 and of female inmates ...

Curragh Camp The Curragh Camp ( ga, Campa an Churraigh) is an army base and military college in The Curragh, County Kildare, Ireland. It is the main training centre for the Defence Forces (Ireland), Irish Defence Forces and is home to 2,000 military personnel ...

Phoenix Park The Phoenix Park ( ga, Páirc an Fhionnuisce) is a large urban park in Dublin, Ireland, lying west of the city centre, north of the River Liffey. Its perimeter wall encloses of recreational space. It includes large areas of grassland and tre ...

Mountjoy Prison Mountjoy Prison ( ga, Príosún Mhuinseo), founded as Mountjoy Gaol and nicknamed ''The Joy'', is a medium security men's prison located in Phibsborough in the centre of Dublin, Ireland. The current prison Governor is Edward Mullins. History ...

Israel

Negev Nuclear Research Center The Shimon Peres Negev Nuclear Research Center ( he, קריה למחקר גרעיני – נגב ע"ש שמעון פרס, formerly the ''Negev Nuclear Research Center'', unofficially sometimes referred to as the ''Dimona reactor'') is an Israe ...

Sdot Micha Airbase Sdot Micha Airbase (in Hebrew: ) is an Israeli Air Force (IAF) missile base and depot, whose existence Israel neither confirms nor denies. It is situated in the center of Israel, halfway from Jerusalem to the Mediterranean Sea and extends nearly 1 ...

Al-Aqsa Mosque Al-Aqsa Mosque (, ), also known as Jami' Al-Aqsa () or as the Qibli Mosque ( ar, المصلى القبلي, translit=al-Muṣallā al-Qiblī, label=none), and also is a congregational mosque located in the Old City of Jerusalem. It is situate ...

Besides, due to

Arab-Israeli conflict The Arab citizens of Israel are the largest ethnic minority in the country. They comprise a hybrid community of Israeli citizens with a heritage of Palestinian citizenship, mixed religions (Muslim, Christian or Druze), bilingual in Arabic an ...

Israeli Israeli may refer to: * Something of, from, or related to the State of Israel * Israelis, citizens or permanent residents of the State of Israel * Modern Hebrew, a language * ''Israeli'' (newspaper), published from 2006 to 2008 * Guni Israeli ...

aircraft are not allowed to fly over these countries. These include: * Iran * Lebanon * Syria * Iraq * Pakistan * Libya * Tunisia * Malaysia * Indonesia * Yemen * Algeria * Mali * Niger * Mauritania * Bangladesh

Pakistan

Islamabad Islamabad (; ur, , ) is the capital city of Pakistan. It is the country's ninth-most populous city, with a population of over 1.2 million people, and is federally administered by the Pakistani government as part of the Islamabad Capital T ...

– The no-fly zone is specifically along

Constitution Avenue Constitution Avenue is a major east–west street in the northwest and northeast quadrants of the city of Washington, D.C., in the United States. It was originally known as B Street, and its western section was greatly lengthened and widened bet ...

in North-east Islamabad, where many important government buildings are located: ** The Parliament Building ** The Presidency (Residence of the President) ** The Prime Minister's Residence ** The Prime Minister's Secretariat ** The

Supreme Court A supreme court is the highest court within the hierarchy of courts in most legal jurisdictions. Other descriptions for such courts include court of last resort, apex court, and high (or final) court of appeal. Broadly speaking, the decisions of ...

Kahuta Research Laboratories The Dr. A. Q. Khan Research Laboratories, ( ur, ) or KRL for short, is a federally funded, multi-program national research institute and national laboratory site primarily dedicated to uranium enrichment, supercomputing and fluid mechanics. It ...

, Pakistan's main facility for the development of nuclear weapons **

Khushab Nuclear Complex Khushab Nuclear Complex is a plutonium production nuclear reactor and heavy water complex situated 30 km south of the town of Jauharabad in Khushab District, Punjab, Pakistan. The heavy water and natural uranium reactors at Khushab are a ...

Peru

Machu Picchu Machu Picchu is a 15th-century Inca citadel located in the Eastern Cordillera of southern Peru on a mountain range.UNESCO World Heritage Centre. It is located in the Machupicchu District within Urubamba Province above the Sacred Valley, which ...

Russia

City of Moscow Moscow ( , American English, US chiefly ; rus, links=no, Москва, r=Moskva, p=mɐskˈva, a=Москва.ogg) is the Capital city, capital and List of cities and towns in Russia by population, largest city of Russia. The city stands on t ...

. Many flights are being regularly routed through the outer regions of this airspace. Since October 25, 2015,

Ukrainian Ukrainian may refer to: * Something of, from, or related to Ukraine * Something relating to Ukrainians, an East Slavic people from Eastern Europe * Something relating to demographics of Ukraine in terms of demography and population of Ukraine * So ...

aircraft have been prohibited from entering Russian airspace. After the Western countries banned Russian planes from its skies following the

Russian invasion of Ukraine On 24 February 2022, in a major escalation of the Russo-Ukrainian War, which began in 2014. The invasion has resulted in tens of thousands of deaths on both sides. It has caused Europe's largest refugee crisis since World War II. An ...

, aircraft registered in or operated by the Australia, Canada, Japan, New Zealand, Singapore, South Korea, Taiwan, United Kingdom, United States and the European Union and the EFTA member states are banned from using Russian airspace. On October 30, 2022,

Cathay Pacific Cathay Pacific Airways Limited (CPA), more widely known as Cathay Pacific (), is the flag carrier of Hong Kong, with its head office and main hub located at Hong Kong International Airport. The airline's operations and subsidiaries have sc ...

announced that it would resume using Russian airspace on some flights such as the "

polar route A polar route is an aircraft route across the uninhabited polar ice cap regions. The term "polar route" was originally applied to great circle navigation routes between Europe and the west coast of North America in the 1950s. The Arctic Early ye ...

" from New York to Hong Kong, which had stopped following the Russian invasion of Ukraine.

Saudi Arabia

Great Mosque of Mecca , native_name_lang = ar , religious_affiliation = Islam , image = Al-Haram mosque - Flickr - Al Jazeera English.jpg , image_upright = 1.25 , caption = Aerial view of the Great Mosque of Mecca , map ...

Sri Lanka

According to Air Navigation (Air Defence) Regulation 1 (2007), airspace over the territory and territorial waters of

Sri Lanka Sri Lanka (, ; si, ශ්‍රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an ...

(except Ruhuna Open Skies Area) are declared an air defence identification zone (ADIZ) with prohibited areas and restricted areas within it. No aircraft may operate in prohibited or restricted areas without valid air defence clearance (ADC) from the

Sri Lanka Air Force The Sri Lanka Air Force (SLAF) ( si, ශ්‍රි ලංකා ගුවන් හමුදාව, Śrī Laṃkā guwan hamudāva; ta, இலங்கை விமானப்படை, Ilaṅkai vimāṉappaṭai) is the air arm and the yo ...

(SLAF). Prohibited areas are,https://airport.lk/aasl/AIS/AMDT%20WEB/AIP%20FROM%2018%20JULY%202019/PDF/E62-1-15.pdf *

Colombo City Colombo ( ; si, කොළඹ, translit=Koḷam̆ba, ; ta, கொழும்பு, translit=Koḻumpu, ) is the executive and judicial capital and largest city of Sri Lanka by population. According to the Brookings Institution, Colombo met ...

centering the

Parliament In modern politics, and history, a parliament is a legislative body of government. Generally, a modern parliament has three functions: Representation (politics), representing the Election#Suffrage, electorate, making laws, and overseeing ...

–

Sri Jayawardenapura Kotte Sri Jayawardenepura Kotte, commonly known as Kotte (), is the legislative capital of Sri Lanka. Sri Jayawardenepura Kotte is a satellite city and located within the urban area of Sri Lanka's de facto economic, executive, and judicial capital, ...

Sapugaskanda Oil Refinery The Sapugaskanda Refinery (also referred to as Sapugaskanda Oil Refinery) is the single largest oil refinery of Sri Lanka. The refinery was built by Iran under the guidance of the Ceylon Petroleum Corporation in August 1969, initially designed to ...

() *Orugodawatta Petroleum storage tanks. () *Kolonnawa Petroleum storage complex () Restricted areas are, *Sri Lanka Air Force bases

SLAF Anuradhapura SLAF may refer to *The Sri Lanka Armed Forces, the combined military of the Democratic Socialist Republic of Sri Lanka **The Sri Lanka Air Force The Sri Lanka Air Force (SLAF) ( si, ශ්‍රි ලංකා ගුවන් හමුදාව ...

SLAF Hingurakgoda SLAF may refer to *The Sri Lanka Armed Forces, the combined military of the Democratic Socialist Republic of Sri Lanka **The Sri Lanka Air Force The Sri Lanka Air Force (SLAF) ( si, ශ්‍රි ලංකා ගුවන් හමුදාව ...

, SLAF Vavuniya,

SLAF Palaly Palali or Palaly may refer to : * Palali, Gujarat, a village on Saurashtra peninsula, Gujarat, western India * Palali State, a former princely state with seat in the above town * Palaly, Sri Lanka, a Sri Lankan town with ** Palaly Military Ba ...

and SLAF Sigiriya () *

Jaffna Jaffna (, ) is the capital city of the Northern Province of Sri Lanka. It is the administrative headquarters of the Jaffna District located on a peninsula of the same name. With a population of 88,138 in 2012, Jaffna is Sri Lanka's 12th most ...

town () *

Trincomalee harbour Trincomalee Harbour is a seaport in Trincomalee Bay or Koddiyar Bay, a large natural harbour situated on the northeastern coast of Sri Lanka. Located by Trincomalee, Sri Lanka, in the heart of the Indian Ocean, its strategic importance has sh ...

() *

SLAF China Bay SLAF may refer to *The Sri Lanka Armed Forces, the combined military of the Democratic Socialist Republic of Sri Lanka **The Sri Lanka Air Force The Sri Lanka Air Force (SLAF) ( si, ශ්‍රි ලංකා ගුවන් හමුදාව ...

() *The garrison town of Diyatalawa () *

Temple of the Tooth The Temple of the Sacred Tooth Relic or Sri Dalada Maligawa, ( si, ශ්‍රී දළදා මාළිගාව) is a Buddhist temple in Kandy, Sri Lanka. It is located in the royal palace complex of the former Kingdom of Kandy, which hou ...

Kandy Kandy ( si, මහනුවර ''Mahanuwara'', ; ta, கண்டி Kandy, ) is a major city in Sri Lanka located in the Central Province. It was the last capital of the ancient kings' era of Sri Lanka. The city lies in the midst of hills ...

(; earlier )

Taiwan

* The area around the Presidential Hall (總統府) and

Taipei 101 Taipei 101 (; stylized as TAIPEI 101), formerly known as the Taipei World Financial Center, is a supertall skyscraper in Taipei, Taiwan. This building was officially classified as the world's tallest from its opening in 2004 until the 2009 ...

, both located in

Taipei Taipei (), officially Taipei City, is the capital and a special municipality of the Republic of China (Taiwan). Located in Northern Taiwan, Taipei City is an enclave of the municipality of New Taipei City that sits about southwest of the n ...

. * Parts of the

Taiwan Strait The Taiwan Strait is a -wide strait separating the island of Taiwan and continental Asia. The strait is part of the South China Sea and connects to the East China Sea to the north. The narrowest part is wide. The Taiwan Strait is itself a s ...

* The area around the nuclear power plants in Taiwan.

Turkey

İmralı İmralı is a small Turkish prison island in the south of the Sea of Marmara, west of the Armutlu-Bozburun peninsula within Bursa Province. It measures in the north–south direction with a width of , and has an area of . The highest peak is ...

island

Ukraine

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Russia