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Chengdu aerospace complex damaged by earthquake

TALWAR

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Significant damage has been done to China's defense industry by the earthquake, specifically the Chengdu aerospace complex that is just northwest of the city and comprises a large production facility, the largest military aircraft design center in all of China, and a jet engine production plant. This conglomerate designed and now produces the Jian-10 (J-10)/FC-20 single-engine medium weight fighter that is considered to be the most advanced in China's inventory, and the FC-1/JF-17 lightweight fighter that is produced in cooperation with Pakistan.

Like many Chinese and Russian production centers that are located far from major cities like Moscow, Beijing, or Shanghai, Chengdu is also dotted with multiple, smaller defense enterprises that design or produce many of the on-board systems that actually make the modern-day fighter aircraft effective in combat. Among these are the chief Chinese design centre for airborne electronic warfare systems and radar warning receivers.

This enterprise, the Southwest China Research Institute of Electronic Equipment, houses the AC999 Electronic Warfare Analysis Center, which is one of the more important laboratories for all branches of the PLA. Its function is to collect, analyze and interpret all varieties of electronic emission (ELINT) signals and then distribute the results of that analysis as a finished intelligence product to commands and the user community within the PLA.

Analysis of adversary electronic emissions and development of countermeasures to neutralise them is among the most sensitive data that exists within any military establishment. It is also critical to the survival of aircraft and other platforms in an age of advanced radars and other sensors. Damage or loss of this facility could pose real problems for the PLA's future plans for modernization.

However, chances are that these defense industrial establishments were built to a higher standard and suffered less damage than the schools, apartment houses, and other buildings that have been seen in television broadcasts since the quake struck. But, how many skilled specialists or personnel critical to these enterprises who may have been lost in the quake is another issue.

One of the most important Chinese research centers that is reported to have incurred significant damage is the China Aerodynamics Research and Development Centre (CARDC) in Mianyang, which is not far from Chengdu.

CARDC was built with excessive paranoia about security and survivability from being attacked from the air in mind, so some of its wind tunnels and other facilities are located underground. Mianyang is even closer to the epicenter of the quake than Chengdu--and powerful earthquakes destroy any underground structure--so these facilities are now damaged to the point where they may be irreparable and must be rebuilt. This could take years and is a considerable setback for Chinese aeronautical science.

FrontPage Magazine
 
Will this cause any delays to JF-17 in PAC?
 
However, several research reactors and nuclear fuel manufacturing sites were much closer to the earthquake - including some less than 100 km away from the epicentre. IRSN said: "Given the sharp acceleration observed 70 km from the epicentre (250 cm/s2), it is not possible at this stage to rule out that these facilities have been subjected to damage."

Nuclear power plants are among the most robust structures in the world, featuring heavy reinforced concrete construction. Each plant is certified to withstand certain ground acceleration rates with no significant damage, while maintaining nuclear safety during significantly greater rates of motion. In July 2007 Japan's Kashiwazaki Kariwa nuclear power plant was shaken by an earthquake with effects between those two standards. The seven reactors on site all remained safe, but suffered widespread light damage. Checks to those units are ongoing.

Analysis of Chengdu earthquake
 

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