Thai Navy Buys 3 Chinese Submarines able to Stay underwater 21 days


S-20 submarine that China has tried to sell Thailand

S-20 submarine that China has tried to sell Thailand

Chinese media thepaper.cn reports on July 2 that Thai Defense Minister Prawit Wongsuwan said on July 2 that Thai navy had approved its plan to purchase three Chinese submarines at $1.1 billion.

On June 26, 14 of the 17 members of Thai Navy’s purchase committee voted for the purchase of Chinese submarines. The deal will be finalized when it is approved by Thai cabinet later.

Thai navy chooses Chinese submarines instead of those offered by other countries such as Germany and Sweden because of the high functions-to-price ratio of the Chinese model.

An additional advantage of the model is that it can stay underwater for 21 days.

Moreover, China promises to transfer some navy technology and help train submarine professional technicians.

Previously China tries to sell Thailand its S-20 submarine, an improved version of Type 039A Yuan-class submarine 66 meters long, 8 meters wide, 8.2 meters high with a displacement of 1,850 tons on surface and 2,300 tons submerged and maximum speed of 18 knots. AIP system is provided as an option. The model Thai has chosen is S-26. No details of its functions have been revealed. Analysts believe S-26 is similar in functions to S-20 but with better functions-to-price ratio.

Thailand is America’s traditional ally, but is now seeking better ties with China. Through the deal, the ties will be even closer.

Source: thepaper.cn “Thai navy formally approves purchase of 3 Chinese submarines at $1.1 billion due to their high functions-to-price ratio” (summary by Chan Kai Yee based on the report in Chinese)


China Upgraded All Its Yuan Class Subs with German Technology


Full view of China's new conventional submarine

Full view of China’s new conventional submarine

On July 14, 2014, the website of Japan’s The Diplomat magazine publishes a report on the arms race in Asia due to China’s military buildup. It described South Korean, Japanese and Vietnamese efforts in developing their submarine fleets as it believes that submarines are a vital part of navy.

China’s submarine fleet is of course what the website is most interest in. The website believes that since 2004, China has launched 12 Type 041 Yuan class conventional submarines. The submarines built earlier are certainly not advanced enough due to China’s lack of advanced technology at that time. In addition due to the progress in technology, even those advanced at the time when they were built have become outdated.

China has upgraded all the 12 Yuan class submarines it has built by installation of more advanced sonar and weapon systems, reduction of noise and adoption of air-independent propulsion (AIP). Moreover, British Jane’s Defense Weekly’s reported on April 9 that China had launched a new Yuan class submarine that adopted the newest design of German SSK submarine. Like German SSK submarine, it has a slant sail hull, at the base of which an additional high-frequency sonar can be installed. There are other things similar to SSK.

Obviously, China has also used what it has learnt from German SSK submarine to improve its 12 existing Yuan class submarines.

In addition, China has purchased 12 Kilo class submarines from Russia and is discussing with Russia on the purchase of 4 Lada class submarines.

The website’s report says that China has developed its fleet of advanced conventional submarines and attack nuclear submarines for its anti access/area denial strategy, which is referred to by China as “anti-interference” strategy.

That shows that The Diplomat does not really understand China. There have been much talks in China recently about resisting enemy invasion in the high sea so that the area near China will not be a battlefield that will bring damages to China.

Perhaps, The Diplomat knows China’s intention to defeat its enemy away from its coast but bases its view on the perspective of a war between China and Japan. That is why it does not mention China’s nuclear submarines in its report as those submarines are mainly used far away from China.

However, why are China and Japan unable to be friendly neighbors? True, there were two brutal wars in the past but why shall China settle account for the crimes committed by current Japanese people’s great grandfathers. Better let bygone be bygone and regard China’s military development as directed at the enemy from far away.

Source: qianzhan.com “Japanese media: Chinese military’s major breakthrough in successfully upgrading 12 Yuan class submarines” (summary by Chan Kai Yee based on the report in Chinese)

Related posts:

  • Janes: China improves Yuan class submarine to some extent similar to German SSK dated April 13, 2014
  • Photos Give Complete Disclosure of China’s New Conventional Submarine dsted April 12, 2014
  • China Launched a New Submarine Never Seen Before dated December 15. 2014
  • Official on Successful Development of 4th-generation Nuclear Submarine in past decade dated August 20

Photos Give Complete Disclosure of China’s New Conventional Submarine


Full view of China's new conventional submarine

Full view of China’s new conventional submarine

In mid December, China quietly launched a new conventional submarine. Recently a web user has taken photos of the complete views of the submarine. We can roughly see that it is a little different from Yuan class submarines.

China's new Conventional submarine

China’s new Conventional submarine. Photo by lt.cjdby.net

As the new submarine is similar to Type 039 submarine, foreign medial call it Type 039C submarine.

China's new Conventional submarine. Photo by lt.cjdby.net

China’s new Conventional submarine. Photo by lt.cjdby.net

Details of the new conventional submarine that China has recently launched. Photo by bugkage of HSH Forum)

Details of the new conventional submarine that China has recently launched. Photo by bugkage of HSH Forum)

Details of the new conventional submarine that China has recently launched. Photo by bugkage of HSH Forum)

Details of the new conventional submarine that China has recently launched. Photo by bugkage of HSH Forum)

Details of the new conventional submarine that China has recently launched. Photo by bugkage of HSH Forum)

Details of the new conventional submarine that China has recently launched. Photo by bugkage of HSH Forum)

From the above detailed photos, we can see the smooth curve of the connection between the sail hull and hull. This structure has been widely used in US and Russian most advanced submarines as it reduces noise.

Source: huanqiu.com “Complete exposure of China’s new conventional submarine” (summary by Chan Kai Yee based on the report in Chinese)

Related posts:

  • China Launched a New Submarine Never Seen Before dated December 15. 2014
  • Official on Successful Development of 4th-generation Nuclear Submarine in past decade dated August 20
  • Crew of New-type Nuclear Submarine Rewarded by Xi Jinping dated September 7
  • China’s Nuclear Submarines Able to Ambush Near the US for Sudden Second Strike dated November 6

China Launched a New Submarine Never Seen Before


China's recently launched newest conventional submarine

China’s recently launched newest conventional submarine

Some photos with the caption “China’s most advanced conventional submarine was launched in the Yangtze River” have been posted and reblogged on the Internet in China. Western military media have recently shown great interest in them. It is a Chinese submarine never seen before. Western media believe that according to its appearance, it is China’s newest Yuan class submarine with much improvement in reducing noise and better underwater navigation performance for operation in deep water.

When the photos began to be reblogged on the Internet in early September, Western experts regarded them as Chinese web users’ pranks. However, when clearer photos have been posted, they do believe that it is a new Yuan class submarine. On September 23, globalstrategygroup.com of the United States gave the submarine the codename of 041C on its own, regarding it as an upgraded version of the Types 041A and 041B China previously built.

However, the previous Type 041A and 041B submarines look similar to Russian Kilo grade submarine, but the new one is similar to Russian Lada class instead of Kilo class.

Kilo class submarines are so wonderfully quiet as to be regarded “black holes” in the ocean, but Lada class is 8 times quieter.

Jane’s Defence Weekly also believes that the submarine is similar to Russian Lada class. It says that the submarine’s thick and strong hull and relatively short stern reduce drag when cruising under water. The curve of its sail hull is smoother and the sail is lower than that of previous Yuan class submarine. The curved casing of the sail hull that covers the connection between the sail hull and the main hull conforms better to fluid mechanics principles.

Source: qianzhan.com “PLA suddenly launched a new type of submarine never seen by foreign media” (summary by Chan Kai Yee based on the report in Chinese)

Related posts:

  • China Developing Super Quiet and Fast Strategic Nuclear Submarines dated July 26
  • Official on Successful Development of 4th-generation Nuclear Submarine in past decade dated August 20
  • Crew of New-type Nuclear Submarine Rewarded by Xi Jinping dated September 7
  • China’s Nuclear Submarines Able to Ambush Near the US for Sudden Second Strike dated November 6
  • Chinese Nuclear Submarine Not as Noisy as Described by the US dated November 7
  • Official Exposure of China’s Mystic 095 Attack Nuclear Submarine dated December 1

China Suddenly Launched New Submarine Similar to Russian Super Quiet Lada-class


China, advanced submarine, Yuan-class, Lada-class, quiet submarine

China, advanced submarine, Yuan-class, Lada-class, quiet submarine

The submarine must be the newest Yuan-class one. The previous type of Yuan-class is similar to Russian Kilo-class one, but Jane’s Defense Weekly says that judging by the photos posted on the Internet, this one is similar to Russian Lada-class in shape.

A Lada-class submarine is covered with silencing tiles and equipped with quieter engine eight times more silent than Kilo-class. It is in addition better maneuverable.

Source: qianzhan.com “PLA’s sudden launch a submarine of the newest type amazed foreign media” (summary by Chan Kai Yee based on the report in Chinese)

Related posts:

  • Secret Photos of Various Types of Chinese Navy’s Core of Submarines Made Public dated October 7
  • China: Crew of New-type Nuclear Submarine Rewarded by Xi Jinping dated September 7
  • China: Official on Successful Development of 4th-generation Nuclear Submarine in past decade dated August 20
  • China Developing Super Quiet and Fast Strategic Nuclear Submarines dated July 26

Lots of China’s New Submarines with European and Russian Technology


According to a report at Russian Military Messenger Net, Nekolai Novichkov, chief editor of the military column of ITAR-TASS, and a commentator of the column have published an article on Military Messenger Weekly that gives an analysis of the consequence of Russian export of Amur-class conventional submarines to China. They point out that the new S-20 submarine that China recently displays is able to carry anti-ship missiles. Its first batch of potential buyers perhaps includes Pakistan and Bangladesh. The article also says that judging by satellite photos, China has built seven or eight Yuan-class diesel-engine submarines since September 2004 and had commissioned four Type 041 submarines by early 2012.

The following is the full text of the article at Russian Military Messenger Net:

The two writers point out: China is now striving to become an exporter of modern conventional submarines. For that purpose, China is thirsty of the newest submarine technology. As soon as China emerges as a producer on global submarine market, it will not only affect French and Swedish market shares, but also deal a blow at the two leaders in conventional submarine market: Germany and Russia.

At the Langkawi International Maritime and Aerospace Exhibition in Malaysia from March 26 to 30, China Shipbuilding Industry Corporation again displayed its S-20 diesel-engine submarine. A model of that submarine was displayed at NAVDEX at Abu Dhabi in February this year for the first time ever. The Chinese staff participating in the exhibition said that S-20 was developed not merely for domestic demand but also for export on international market.

S-20 submarine has 6 torpedo launching tubes at its bow. The structure of its driving cabin and stern looks more similar to a diminished copy of Yuan-class conventional submarine. It is necessary to point out that the submarine has been developed on the basis of the Russian and European technology obtained specially for Type 041 to be used by Chinese navy. Naval experts believe that S-20’s first batch of potential buyers may probably be Pakistan and Bangladesh.

China’s Type 041 conventional submarine was first found in 2004. On February 27 that year a US reconnoiter satellite found a submarine of that type at a shipyard in Wuhan Shipbuilding Plant. Since then, Chinese navy has commissioned one by one 7 to 8 Type 041 submarines. US Defense Ministry forecast in 2010 that China will build 15 submarines of that new type.

US reconnoiter satellite did not find any trace of Yuan-class submarine in the period from 2005 to 2006. That is understandable: According to China’s strategy of submarine construction. The first submarine shall undergo a series of tests for a relatively long duration of time. It was not until September 21, 2007 that a Yuan-class submarine was found again. Experts believe that the submarine found then was the second Type 041 submarine (the first built by mass production). On November 27 the same year two more such submarines appeared at Wuhan Shipbuilding Plant, which experts believe were the second and third Type 041 submarines.

Later, the two submarines both sailed out to undergo tests for a long time because according to satellite photos taken in 2009, no Type 041 was found at Wuhan Shipbuilding Plant. It was not until December 7, 2010, a reconnoiter satellite found three submarines of that type at Wuhan Shipbuilding Plant. On April 26, 2011 photos taken by satellites revealed that construction of one Type 041 submarine had completed and the ship was sailing to Shanghai.

That means that judging by satellite photos, since September 2004, China has built 7 or 8 Yuan-class diesel-electric submarines, of which the first one (no. 330) was commissioned in 2006. In early 2012, four Type 041 submarines (nos. 330-333) were in service, one more, being built and three more, to be built.

As for S-20 submarines for export, there are clear difference between it and Type 041. S-20’s length is 66 meters, beam, 8 meters, draft, 8.2 meters, surface displacement, 1850 tons, submerged displacement, 2,300 tons, maximum speed, 18 knots, cruise speed, 16 knots, range, 8,000 nautical miles at 16 knots, endurance, 60 days and crew, 38. It is double hulled with maximum submerging depth of 300 meters. Different from the Type 041 exclusively for Chinese navy, the ship is not equipped with air-independent propulsion (but can be installed on demand).

S-20 submarine is equipped with variable frequency hydrophonic detection device and towed sonar. Its major weapons include torpedoes, naval mines, anti-ship missiles, etc. China Shipbuilding Industry Corporation gives no details about the types of weapon to be installed on S-20 submarine, but it declares that it may provide torpedoes, rocket-propelled torpedoes, anti-torpedo torpedoes, etc.

Source: mil.huanqiu.com “Russian media: quite a few China’s new submarines found by satellite; their technology originated from Russia and Europe”

Related posts:
China to build 15 more Yuan-class submarines with German engines
China to Buy Super Quiet Russian Submarines to Counter US Aircraft Carrier


China to build 15 more Yuan-class submarines with German engines


Chinese submarine in Indian Ocean

Chinese submarine in Indian Ocean

[China’s Shocking Submarine Manufacture Technology]

Hindustan Times said in its report on April 9: China is scaling up its underwater capabilities, the Indian Navy’s submarine force levels will be the lowest in its history by 2015, a confidential defense ministry report has revealed.

In comparison, “China may plan to construct 15 additional Yuan-class attack submarines, based on German diesel engine purchases.” “It is said the Yuan-class submarines could be equipped with air-independent propulsion systems to recharge their batteries without having to surface for more than three weeks, a capability currently unavailable with the Indian Navy,” said the newspaper.

In addition, China is purchasing advanced submarines from abroad. It has ordered 4 Russian Lada-class submarines, which are believed to be 8 times less noisy than Kilo-class ones.

China will purchase German engines to build 15 more Yuan-class submarines
The [confidential’ report said: By the end of 2015, Indian “navy will be left with merely six to seven submarines, including India’s first and only nuclear-armed ballistic missile submarine INS Arihant, as it begans phasing out the Russian Kilo-class submarines and German HDW Type 209 submarines.”

“The report warned India had ‘never before been poised in such a vulnerable situation’ and the undersea force levels were ‘at a highly precarious state’.

“The size of India’s submarine fleet will roughly be the same as that of the Pakistani Navy in two years. ‘As this critical (undersea) capability is eroded, there is an inverse increase in both capability and strength of the Chinese and Pakistani navies,’ the [confidential] report stated.”

The newspaper says, “Six Scorpene submarines are currently being built at the Mazagon Dock Ltd in Mumbai with technology from French firm DCNS under a Rs. 23,562-crore project codenamed P-75.

“But the first of these boats will not be ready before 2016-17, though it should have been commissioned into the navy last year. The report said the delay had set off a capability gap that will widen in the coming years.”

In comparison, China now has 13 Song-class, 12 Kilo-class, 7 Yuan-class and 18 Ming-class submarines. China only has 3 Han-class nuclear attack nuclear submarines as regarding nuclear submarines, China still faces lots of challenges. Nevertheless, Han-class attack nuclear submarines have been launched, that type of submarine is very noisy and easy to be discovered by Western sensors. From 1974 to 1991, China built 5 Han-class submarines, two of which have been decommissioned.

China has also commissioned 4 relatively new Shuang-class nuclear submarines, but they are similarly noisy. At the same time, Chinese navy have designed and built Type 039 Song-class submarine, which was designed and manufactured with stress on silencing effect. That class of submarines have been developed very quickly and the newest 4 Song-class submarines have been designated as Yuan-class (type 039A or 041) submarines. According to the Indian report, in consideration of China’s purchase of German diesel engines, China perhaps plans to build 15 additional Yuan-class submarines. It is said the Yuan-class submarines could be equipped with air-independent propulsion systems to recharge their batteries without having to surface for more than three weeks, a capability currently unavailable with the Indian Navy,” said the newspaper.

Type 039 submarine emerged for the first time in 2001. China has built 13 of them, but in 2008, an obviously different Type 039 submarine emerged. That type of submarine is referred to as Type 039A or 041 submarine. Having built two Type 039A submarines, China built two submarines of a type derived from Type 039 with the code name of 039B. That evolution is going on. At present, China has already had 6 or 7 Type 041 Yuan-class submarines (including at least three different types). The newest version of that type of submarines is obviously equipped with air-independent propulsion system and new type of electronic equipment and is undergoing internal improvement.

The quick evolution of Type 039 submarine is perhaps an example of the incorporation of Russian submarine technology in the design ideas and new technology in that type of submarine. Since China began to build submarines in the 1960s, China has always been doing so. However, the design of the newest Type 41 indicates that Chinese navy’s engineers have already had more creative ideas.

It is believed that two or even more Yuan-class submarines are equipped with the air-independent propulsion system that enables them to stay for as long as two weeks under water. Western countries’ air-independent propulsion systems enable submarines to stay under water for two weeks or longer, but the functions and reliability of Chinese ones are a little inferior to similar Russian or Western ones. China will keep on improving its air-independent propulsion system just as it is doing in other areas of military technology.

Song-class submarine is very similar to Russian Kilo-class submarine in appearance. Both Types 039 and 041 are 1800-ton grade, carry a crew of 60 and are installed with 6 tornado tubes. That is also very similar to Kilo-class submarine, which is only a little larger. In late 1990s, China began to purchase Russian Kilo-class submarines. At that time, it was the most advanced submarine available to China. The first two Type 041 submarines are obviously copies of the early type (Type 877) of Kilo-class submarine, but the next two seem to be copies of the relatively new Type 636 submarine.

The newest Yuan-class submarines still look very similar to Kilo-class submarine, but there may be evolution to make them similar to Lada-class submarine. Type 039 is the first Chinese submarine with teardrop hull. Type 041 submarine is regarded as an improved version of Song-class submarine, but upon careful observation especially in Russian perspective, that type of submarine looks like a copy of Kilo-class submarine. Russian people believe the entire project of Song/Yuan-class submarine is China’s long-term plan to successfully copy Kilo-class submarines. If that is the case, Chinese efforts seem quite successful.

Source: mil.huanqiu.com “Foreign Media: China Will Buy German Engine to Build 15 More Yuan-class Submarines”