is an air traffic control center

Area Control Center

In air traffic control, an Area Control Center , also known as a Center, is a facility responsible for controlling instrument flight rules aircraft en route in a particular volume of airspace at high altitudes between airport approaches and departures...

 located in the Namiki

Namiki, Tokorozawa, Saitama

is an area in Tokorozawa, Saitama Prefecture, Japan.Namiki houses the Tokyo Area Control Center....

 area of Tokorozawa

Tokorozawa, Saitama

is a city in Saitama, Japan. It is located in the central part of the Musashino plain, about 30 km west of downtown Tokyo. Tokorozawa can be considered part of the greater Tokyo area; its proximity to the latter and lower housing costs make it a popular bedroom community.-Location:Tokorozawa...

, Saitama Prefecture

Saitama Prefecture

is a prefecture of Japan located in the Kantō region of the island of Honshu. The capital is the city of Saitama.This prefecture is part of the Greater Tokyo Area, and most of Saitama's cities can be described as suburbs of Tokyo, to which a large amount of residents commute each day.- History...

, Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

, north of Tokyo

Tokyo

, ; officially , is one of the 47 prefectures of Japan. Tokyo is the capital of Japan, the center of the Greater Tokyo Area, and the largest metropolitan area of Japan. It is the seat of the Japanese government and the Imperial Palace, and the home of the Japanese Imperial Family...

.

As of 2001 the center controlled airspace in the Kantō

Kanto region

The is a geographical area of Honshu, the largest island of Japan. The region includes the Greater Tokyo Area and encompasses seven prefectures: Gunma, Tochigi, Ibaraki, Saitama, Tokyo, Chiba, and Kanagawa. Within its boundaries, slightly more than 40 percent of the land area is the Kantō Plain....

, Jōetsu

Joetsu

Jōetsu may refer to:*A city in Niigata Prefecture, Japan;*A geographical region within Niigata Prefecture, Japan that consists of the cities of Jōetsu, Itoigawa and Myōkō; or...

, Tōhoku

Tohoku region

The is a geographical area of Japan. The region occupies the northeastern portion of Honshu, the largest island of Japan. The region consists of six prefectures : Akita, Aomori, Fukushima, Iwate, Miyagi and Yamagata....

, Chūbu

Chubu region

The is the central region of Honshū, Japan's main island. Chūbu has a population estimate of 21,886,324 as of 2008.Chūbu, which means "central region", encompasses nine prefectures : Aichi, Fukui, Gifu, Ishikawa, Nagano, Niigata, Shizuoka, Toyama, Yamanashi, and often Mie.It is located directly...

, and Hokuriku

Hokuriku region

The is located in the northwestern part of Honshū, the main island of Japan. It lies along the Sea of Japan within the Chūbu region. It is almost equivalent to Koshi Province and Hokurikudō area in pre-modern Japan....

 regions and a portion of the Kansai

Kansai

The or the lies in the southern-central region of Japan's main island Honshū. The region includes the prefectures of Mie, Nara, Wakayama, Kyoto, Osaka, Hyōgo, and Shiga. Depending on who makes the distinction, Fukui, Tokushima and even Tottori Prefecture are also included...

 region.

Incidents

On Wednesday, January 31, 2001, two Japan Airlines aircraft narrowly avoided a mid-air collision

2001 Japan Airlines mid-air incident

On Wednesday, January 31, 2001, Japan Airlines Flight 907, using a Boeing 747-446 Domestic bound from Tokyo International Airport in Ōta, Tokyo, Japan to Naha International Airport in Naha, Okinawa, Japan and Japan Airlines Flight 958, using a Douglas DC-10-40D bound from Gimhae International...

. The two airliners conflicted. Japan Airlines Flight 958, using a Douglas DC-10, descended according to TCAS instructions. A center employee told Japan Airlines Flight 907, using a Boeing 747-400

Boeing 747-400

The Boeing 747-400 is a major development and the best-selling model of the Boeing 747 family of jet airliners. While retaining the four-engine wide-body layout of its predecessors, the 747-400 embodies numerous technological and structural changes to produce a more efficient airframe...

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