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Francesco Nullo Class (Xiangyanghong 5) Marine Scientific Survey Vessel

The Xiangyanghong 5 is a Polish Nullo class ship whose principal task is conducting preliminary investigation in sea areas selected for intercontinental ballistic missile full range flight test or other large scale tests. She can also serve as a meteorological center at sea for collecting, analyzing and forecasting weather; and as a communication relay ship for the main instrumentation ship.

"Xiangyanghong" No. 05, originally imported "Francesco Nullo" class cargo ship. In 1970, the State Oceanic Administration accepted the Changning of a freighter of the Guangzhou Ocean Shipping Company of the Ministry of Communications, and decided to convert it into a marine scientific investigation vessel, commissioning 708 design and construction of the Guangzhou Shipyard. The ship was started on June 1, 1970.

According to the requirements of the survey vessel, part of the hull structure was modified to increase the volume of ballast water and fresh water to improve the stability and endurance of the ship. Additional frequency shifting machine room, fax machine room, FSB room, radar unit room, microwave reception room, marine research room, hydrology research room, sea observation room and other working rooms, laboratory and various special equipment, communication, navigation Equipment, broadcasting system, etc., to improve the living facilities of crew and scientific research personnel, with a total investment of 2.5 million yuan. The Guangzhou Shipyard completed modifications on December 20, 1972.

In December 1978, the Xiangyanghong No. 05 marine survey vessel was refitted and converted to participate in the launch of the long-range launch vehicle mission (580 mission) as one of the 718 engineering fleets. This modification and repair project is very large, involving the whole, hull, equipment, turbine, electrical, air conditioning, refrigeration and ventilation six parts, more than 860. The modification task was still undertaken by the Guangzhou Shipyard and completed on December 17, 1979.

The Sixth MMB, together with the state Ocean Bureau, Meteorological Bureau of Headquarters of the General Staff and Shanghai Municipality, was responsible for the ship, No.708 Institute took up the overall design and Jiangnan shipyard took up the construction work, with Xa Xueyan as director for design work in technical design and Lu Zai of Jiangnan shipyard for construction detail design.

The ocean going surveying ship has a displacement of 13,000 tons, is capable of resisting state 12 winds and taking global voyage. The meteorological system of the ship is composed of meteorological, rain wind measuring radar, helium high altitude balloon release apparatus, satellite cloud chart receiver and meteorological rockets. The communication system centers at 30 kilowatt shortwave and is supplemented with quite enough number of other communication means.

The ocean surveying system is composed of hydrological, geological, earth magnetism, gravitation, biological, wave and optical experimental equipments and laboratories, also, the ship has a hydro acoustic test system and helicopter take off and landing and storage facilities. She can take up tasks of high altitude meteorological survey, ocean scientific research, underwater communication test and communication relay.

In June 1975, Jiangnan shipyard began her construction and she was completed for use in Oct. 1979.

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Page last modified: 17-09-2019 19:02:24 ZULU