is an

air traffic control center In air traffic control, an area control center (ACC), also known as a center or en-route center, is a facility responsible for controlling aircraft flying in the airspace of a given flight information region (FIR) at high altitudes between ai ...

located in the

Namiki Namiki is a Japanese brand of writing implements, most specifically, fountain pens, owned by the Pilot Corporation. Namiki is mostly famous for its handmade ''maki-e'' (a Japanese lacquerware craft with a wide range of fine and decorative arts) ...

area of

Tokorozawa is a Cities of Japan, city located in Saitama Prefecture, Japan. , the city had an estimated population of 343,298 in 168,939 households and a population density of 4761 persons per km². The total area of the city is . Geography Tokorozawa is ...

Saitama Prefecture is a Landlocked country, landlocked Prefectures of Japan, prefecture of Japan located in the Kantō region of Honshu. Saitama Prefecture has a population of 7,338,536 (January 1, 2020) and has a geographic area of 3,797 Square kilometre, km2 ( ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

in the

Greater Tokyo Area The Greater Tokyo Area is the most populous metropolitan area in the world, consisting of the Kantō region of Japan (including Tokyo, Tokyo Metropolis and the prefectures of Chiba Prefecture, Chiba, Gunma Prefecture, Gunma, Ibaraki Prefecture, ...

. The center is north of the

special wards of Tokyo The of Tokyo are a special form of Municipalities of Japan, municipalities in Japan under the 1947 Local Autonomy Act, Local Autonomy Law. They are city-level wards: primary subdivisions of a prefecture with municipal autonomy largely comparabl ...

. As of 2001 the center controlled airspace in the Kantō, Jōetsu, Tōhoku, Chūbu, and Hokuriku regions and a portion of the

Kansai The or the lies in the southern-central region of Japan's main island Honshū. The region includes the prefectures of Nara, Wakayama, Kyoto, Osaka, Hyōgo and Shiga, often also Mie, sometimes Fukui, Tokushima and Tottori. The metropoli ...

region.Blame pinned on air traffic controllers
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The Japan Times ''The Japan Times'' is Japan's largest and oldest English-language daily newspaper. It is published by , a subsidiary of News2u Holdings, Inc. It is headquartered in the in Kioicho, Chiyoda, Tokyo. History ''The Japan Times'' was launched by ...

''. February 3, 2001. Retrieved on March 8, 2014.

Incidents

On Wednesday, January 31, 2001, two Japan Airlines aircraft narrowly avoided a mid-air collision. The two airliners conflicted. Japan Airlines Flight 958, using a

Douglas DC-10 The McDonnell Douglas DC-10 is an American trijet wide-body aircraft manufactured by McDonnell Douglas. The DC-10 was intended to succeed the DC-8 for long-range flights. It first flew on August 29, 1970; it was introduced on August 5, 1971 ...

, descended according to

traffic collision avoidance system A traffic alert and collision avoidance system (TCAS), pronounced ), also known as an Airborne Collision Avoidance System (ACAS), is an aircraft collision avoidance system designed to reduce the incidence of mid-air collision (MAC) between aircraf ...

(TCAS) instructions. A center employee told Japan Airlines Flight 907, using a

Boeing 747-400 The Boeing 747-400 is a large, long-range wide-body airliner produced by Boeing Commercial Airplanes, an advanced variant of the initial Boeing 747. The ''Advanced Series 300'' was announced at the September 1984 Farnborough Airshow, target ...

, to descend while its TCAS told the pilots to climb.

References

External links

Tokyo Area Control Center
{{coord, 35, 48, 3.6, N, 139, 28, 40.5, E, region:JP-11_type:landmark, display=title Air traffic control centers Buildings and structures in Tokorozawa, Saitama Air traffic control in Asia Aviation in Japan