Fusu class replenishment ship
Encyclopedia
The Nancang-class auxiliary oiler replenishment (AOR) ship is used by the People's Liberation Army Navy
People's Liberation Army Navy
The People's Liberation Army Navy is the naval branch of the People's Liberation Army , the military of the People's Republic of China. Until the early 1990s, the navy performed a subordinate role to the PLA Land Forces. Since then, it has undergone rapid modernisation...

 to resupply ships at sea with food, munitions, fuel and spare parts. The only ship in this class in Chinese service, is Qinghaihu (Pennant number 885), ex Nancang (Nanyun 953). A similar ship with a Chinese hull classified by China as in the same class is in service with the Royal Thai Navy
Royal Thai Navy
The Royal Thai Navy is the navy of Thailand and part of the Royal Thai Armed Forces, it was established in the late 19th century. Admiral Prince Abhakara Kiartiwongse is "The Father of Royal Thai Navy". Similar to the organizational structure of the United States, the Royal Thai Navy includes the...

, as HTMS Similan (Pennant number 871). She was originally laid down for the Soviet Navy
Soviet Navy
The Soviet Navy was the naval arm of the Soviet Armed Forces. Often referred to as the Red Fleet, the Soviet Navy would have played an instrumental role in a Warsaw Pact war with NATO, where it would have attempted to prevent naval convoys from bringing reinforcements across the Atlantic Ocean...

 as a Komandarn Fedko class merchant tanker
Tanker (ship)
A tanker is a ship designed to transport liquids in bulk. Major types of tankship include the oil tanker, the chemical tanker, and the liquefied natural gas carrier.-Background:...

, but building work was halted due to insufficient funds, and was then purchased by the PLAN from the Russian Navy unfinished in 1993. The ship has a near sister ship operating with the Indian Navy
Indian Navy
The Indian Navy is the naval branch of the armed forces of India. The President of India serves as the Commander-in-Chief of the Navy. The Chief of Naval Staff , usually a four-star officer in the rank of Admiral, commands the Navy...

.

Nancang-class AOR is the 2nd generation Chinese replenishment ship that is outfitted with a total of six cranes, four oil refuelling stations, and two stores stations. This allows the ship to replenish three warships simultaneously. The ship, through her helicopter facilities, is able to replenish warships operating nearby via vertical replenishment (VERTREP).

Background

The Fusu (Nancang) class is the result of the 2nd stage of the development of the Chinese fleet replenishment ship. Although considered somewhat successful, the Fuqing (Taikang) class replenishment oiler
Replenishment Oiler
A replenishment oiler or fleet tanker is a naval auxiliary ship with fuel tanks and dry cargo holds, which can replenish other ships while underway in the high seas. Such ships are used by several countries around the world....

s could not completely satisfy the requirement of the People's Liberation Army Navy
People's Liberation Army Navy
The People's Liberation Army Navy is the naval branch of the People's Liberation Army , the military of the People's Republic of China. Until the early 1990s, the navy performed a subordinate role to the PLA Land Forces. Since then, it has undergone rapid modernisation...

 (PLAN). One of the primary drawbacks of this class is that they are mainly for replenish liquid supplies, i.e. fuel and water. These ships of the 1st stage of the development of Chinese replenishment ships could only replenish extremely limited dry supplies, and are virtually incapable of resupply ammos, because the Chinese industry at the time lacked the capability to provide sounding safety measures for resupplying and storing ammos with fuels. This is one of the two primary constrains that despite the fact that on August 28, 1977, the Central Military Commission (People's Republic of China) ordered the resumption of the development of fleet replenishment ship that is capable of one-stop replenishment, (i.e. being capable of resupply ammos, fuels, water, and solid supplies together by a single ship, a concept first pioneered by United States Navy
United States Navy
The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

), the project was eventually put on hold.

The other primary constrain was a financial one, as Chinese economy was near the verge of total collapse resulting from the Cultural Revolution
Cultural Revolution
The Great Proletarian Cultural Revolution, commonly known as the Cultural Revolution , was a socio-political movement that took place in the People's Republic of China from 1966 through 1976...

. Eventually, as the Economic reform in the People's Republic of China that first begun in 1979 rapidly improved Chinese economy
Economy of the People's Republic of China
The People's Republic of China ranks since 2010 as the world's second largest economy after the United States. It has been the world's fastest-growing major economy, with consistent growth rates of around 10% over the past 30 years. China is also the largest exporter and second largest importer of...

, the 2nd stage of the development of the Chinese fleet replenishment ship was resumed in 1988, after around a decade of dormancy. PLAN
People's Liberation Army Navy
The People's Liberation Army Navy is the naval branch of the People's Liberation Army , the military of the People's Republic of China. Until the early 1990s, the navy performed a subordinate role to the PLA Land Forces. Since then, it has undergone rapid modernisation...

 had a lot of expectations for the new class of ship: in addition to being capable of one-stop replenishment, the new ship was also required to be a hospital ship
Hospital ship
A hospital ship is a ship designated for primary function as a floating medical treatment facility or hospital; most are operated by the military forces of various countries, as they are intended to be used in or near war zones....

. However, to meet such high expectation of PLAN, the cost was driven up multiple times. As the design was completed, the price tag of the proposed new ship exceeded what PLAN could afford and the project was in danger of being canceled again.

Origin

Just as the 2nd stage of the development of the Chinese fleet replenishment ship was about to be yet again put on hold, there was an unexpected turn of fortune that saved the project from being scrapped. After the breakup of Soviet Union at the end of 1991, Ukraine
Ukraine
Ukraine is a country in Eastern Europe. It has an area of 603,628 km², making it the second largest contiguous country on the European continent, after Russia...

 was eager to sell a half completed replenishment ship built for the Soviet navy. Originally laid down as Soviet Ship Vladimir Peregudov, a Komandam Fedko class merchant tanker, the ship was modified as a replenishment ship for the Soviet navy, but building work was halted due to insufficient funding. Chinese were interested in the ship and the original chief designer of the proposed 2nd generation Chinese replenishment ship, Chinese Academy of Sciences
Chinese Academy of Sciences
The Chinese Academy of Sciences , formerly known as Academia Sinica, is the national academy for the natural sciences of the People's Republic of China. It is an institution of the State Council of China. It is headquartered in Beijing, with institutes all over the People's Republic of China...

 academician Mr. Zhang Wende (张文德) was named as the head of the Chinese delegation and chief negotiator, and his team was sent to Ukraine to evaluate the ship intended for the former Soviet navy.

The Chinese delegation discovered that the main engine and the generator had been already installed, but not pipes, cables and wires, and Chinese considered the quality of the ship was in excellent condition. Upon returning China, Zhang Wende and his colleagues strongly suggested to Chinese authorities to buy the ship, and they were sent to Ukraine for the second time to finalize the deal. Because many of the subsystems of the ship were built in Saint Petersburg
Saint Petersburg
Saint Petersburg is a city and a federal subject of Russia located on the Neva River at the head of the Gulf of Finland on the Baltic Sea...

, some of Zhang Wende’s team members were also sent to Russia to secure the purchase of these subsystems, which they completed successfully. On November 6, 1992, the deal was formally signed by China and Ukraine, and the original funding for developing the 2nd generation domestic Chinese replenishment ship was diverted to purchase the uncompleted ship for the former-Soviet navy.

Development

On May 1, 1993, the uncompleted former Soviet naval ship was towed to Dalian
Dalian
Dalian is a major city and seaport in the south of Liaoning province, Northeast China. It faces Shandong to the south, the Yellow Sea to the east and the Bohai Sea to the west and south. Holding sub-provincial administrative status, Dalian is the southernmost city of Northeast China and China's...

 shipyard from Ukrainian Kherson
Kherson
Kherson is a city in southern Ukraine. It is the administrative center of the Kherson Oblast , and is designated as its own separate raion within the oblast. Kherson is an important port on the Black Sea and Dnieper River, and the home of a major ship-building industry...

 shipyard. In addition to the hull and subsystems, China also purchased the design, which was immediately modified to meet the Chinese needs. Chinese Academy of Sciences
Chinese Academy of Sciences
The Chinese Academy of Sciences , formerly known as Academia Sinica, is the national academy for the natural sciences of the People's Republic of China. It is an institution of the State Council of China. It is headquartered in Beijing, with institutes all over the People's Republic of China...

 academician Mr. Zhang Wende (张文德), the original chief designer of the 2nd generation domestic Chinese replenishment ship was named as the chief designer and the program manager of this conversion project. On May 8, 1996, it entered Chinese service in South Sea Fleet
South Sea Fleet
The People's Republic of China's South Sea Fleet was first established in late 1949. The flagship of the SSF is the AOR/AK Nanchang ....

, where it has remained until today. The pennant number was originally Nanyun (南运)-953, but later changed to 885, with name Qinghaihu (青海湖), and this upgraded ship became the 2nd generation Chinese replenishment ship, replacing the originally planned indigenous one.

The conversion project was deemed successful and worthy but Chinese, who had gained important insights on Soviet design principle, core technologies, important subsystems, layout, and other expertise that were difficult for Chinese to obtain, and these valuable knowledge would later help China in designing its next generation replenishment ships. The most important gain, however, was financial. The original funding that was insufficient to develop a proposed indigenous 2nd generation Chinese replenishment ship was not only enough to buy the uncompleted former Soviet ship, but also had enough left to cover the following conversion work. One of the primary areas of improvement of the original former-Soviet design was in damage control, which was woefully inadequate (Rumored due to its original civilian merchant tanker design). Some of the interior wiring was exposed, and the ship's battle damage control system was very limited, with a near absence of internal damage limitation, insufficient fire-suppression system and water-tight locks. Incorporate the experienced gained from the rework of Type 053 frigates exported to Royal Thai Navy
Royal Thai Navy
The Royal Thai Navy is the navy of Thailand and part of the Royal Thai Armed Forces, it was established in the late 19th century. Admiral Prince Abhakara Kiartiwongse is "The Father of Royal Thai Navy". Similar to the organizational structure of the United States, the Royal Thai Navy includes the...

, the damage control of the ship was upgraded to western (mostly German and American) standards.

HTMS Similan

In January, 1993, China received the notification from Thai government, informing the former’s intention to purchase a replenishment ship for its light aircraft carrier fleet. China decided to join the bid, among other western shipbuilders including DCNS, Fincantieri
Fincantieri
Fincantieri - Cantieri Navali Italiani S.p.A. is a shipbuilding company based in Trieste, Italy. It was formed in 1959 and is the largest shipbuilder in the Mediterranean, and one of the largest in Europe...

, BAZAN
Navantia
Navantia, formerly Bazán or IZAR, is a Spanish shipbuilding firm, which offers its services to both military and civil sector. It is the fifth largest shipbuilder in Europe, and the ninth largest in the world with shipyards all over Spain....

, Hyundai
Hyundai
Hyundai ) is a global conglomerate company, part of the Korean chaebol, that was founded in South Korea by one of the most famous businessmen in Korean history: Chung Ju-yung...

 and Dutch Schelde shipyards, and the Chinese design would be very similar to the converted former-Soviet ship, with work on both ships would be performed simultaneously. The original chief designer of the cancelled 2nd generation domestic Chinese replenishment ship, academician Zhang Wende (张文德), who was named as the chief designer and the program manager of the conversion project for the Chinese navy, was also assigned an additional task, as the chief designer of second ship China would be building for export to Thai navy. China managed to beat its western competitors and won the Thai contract.

Work on the ship built for Thai navy went well and the ship was completed on August 12, 1996. Zhang Wende, the chief designer personally stayed onboard the ship for twelve days during the voyage to Thailand, gathering information at the very last moment, so that it would help in the future design of the next generation Chinese replenishment ship. Whenever possible, Zhang personally operated the ship, including radars, handling boats the ship carried, and other tasks. The ship was formally accepted to the Thai naval service on September 12, 1996, and was named HTMS Similan (pennant number 187).

HTMS Similan is very similar to its sister ship in Chinese service, except it uses a Chinese hull. The most important difference, however, is in upgrading its replenishment capability. Despite being able to replenish solid supplies, the capability to resupply ammo is still rather limited for the Chinese ship. The Thai ship has further overcome this problem by increasing the ammo resupply capability. Despite the difference between two ships, most of the technologies and components, especially those core technologies for both ships remain the same, and for this reason, China has placed HTMS Similan and the Chinese ship Qinghaihu (青海湖) in the same class. This class would eventually evolve into Fuchi (Qiandaohu) class
Fuchi (Qiandaohu) class
The Qiandaohu-class replenishment ship entered service with the Chinese People's Liberation Army Navy in 2003. The class' chief designer was Zhang Wende .-Ships:...

.

General characteristics

  • Length: 188.9m
  • Beam: 25.33 m
  • Displacement: 37,000 tonnes full load
  • Aircraft: 1 Z-8
    Aérospatiale Super Frelon
    The Aérospatiale SA 321 Super Frelon is a three-engined heavy transport helicopter produced by Aérospatiale of France. The helicopter is still in use in China where the locally produced version is known as the Z-8. "Frelon" is French for hornet....

     helicopter
    Helicopter
    A helicopter is a type of rotorcraft in which lift and thrust are supplied by one or more engine-driven rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forwards, backwards, and laterally...

  • Complement: 125
  • Cargo Capacity:
    • 23,000 tons fuel and general cargo
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