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KJ-2000
KJ-2000 (NATO reporting name: Mainring) is a Chinese Airborne early warning and control system comprising domestically designed electronics and radars installed on a modified Ilyushin Il-76 airframe.〔(【引用サイトリンク】title=KJ200_1 )〕 KJ is the first character from the Chinese language Pinyin spelling of Kōng Jǐng (空警), short for Kōng Zhōng Yù Jǐng (空中预警), which means Airborne Early Warning.
==Development==
The KJ-2000 development program started after the cancellation of the A-50I deal with Israel and Russia in July 2000, due to strong U.S. pressure regarding the Israeli radar that was to be mounted. China then went on to develop a domestic AWACS and the first aircraft made its maiden flight in 2003.
Four KJ-2000 aircraft have been identified so far, but production of new aircraft will likely be delayed, dependent on the acquisition of IL-76 airframes. Currently, the Russian defense exporter Rosoboronexport has imposed a significant price hike on all future IL-76s delivered to China and India despite previous contracts. Both countries are currently in negotiation with Russia regarding this matter as of early 2008. In March 2011, Russia/China negotiations reached a new agreement to move production of IL-76s to Chinese owned companies, in this way it is expected production can be run smoothly to supply China with new IL-76 airframes, while delivery of Soloviev D-30KP-2 engines is not affected by recent issues.〔(【引用サイトリンク】title=IL76 russia china export agreement2011 )〕
Due to unreliable external supplier sources, China has developed a backup known as the KJ-200 by installing a simplified system on board the Shaanxi Y-8. This aircraft has a similar configuration to that of the KJ-2000 and is characterized by the triple tail-fin configuration (one large and two small).
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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