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Type-613 Shuguang 01 / Dawn 01 Class hydrographic survey ship

The Shuguang 01 class hydrographic survey ship is a modified T-43 minesweeper. State Oceanic Administration after the establishment decided to build a series of oceanographic research ships and displacement of 1000 tons of the ship named "Dawn" or "Twilight" to the factory dubbed the sequence number.

Shuguang 01 and Shuguang 02 ship belong to the Type-613 marine hydrological section survey ship, designed code VWC902. This type of ship was improved from the 6610 minesweeper. It was started in 1965 by Wuchang Shipyard in Guangzhou Guang'an site. Shipbuilding was carried out by Huangpu in February 1969. took over the factory, the dawn of 01 in 1970 completed, the dawn of 02 in 1971 completed in May, the two ships to deliver Guangzhou Maritime Bureau. The vessels were mainly used for hydrological and chemical surveys of marine sections in various sea areas of China, taking into account the displacement of marine geological and biological surveys.

The standard displacement was 570 tons, length of 60 meters, width of 8.8 meters, draft of 2.3 meters , speed: 15 knots.

Later renamed the China Marine Surveillance 74, in the 1990s the hull number 1000 inherited ton ocean surveillance ship. Dawn 02 later renamed the China Marine Surveillance 72, 1987, under the Third Institute of Oceanography instead maritime surveillance 60, currently already retired. In 1979, the Dawn 02 arrived near the first Soviet aircraft carrier into the South China Sea "Minsk" No, to investigate and take pictures.

Three ships that were delivered to the Oceanic Administration were Dawning 03, 08, and 09. These three ships were transferred from the Oceanic Administration to the Navy in 79 years. The last ship number is 486 and 998 , 999 for the South . Currently retired. According to the jellyfish fish research, the Shuguang 09 ship was sold to Xiangshan County Shipping Company in 1988 and changed to the coastal passenger freighter “ Shipu No. 2 ” . Peng Deqing's book "China Ship's Spectrum" refers to the Shuguang 03 ship as a modified marine survey ship, which is listed here for the relevant enthusiasts to continue to research.

The ship can carry out gravity measurement in the coastal and medium-sized sea areas of China, and can undertake comprehensive measurement tasks such as water depth, magnetic force, hydrology and meteorology in the middle and far sea. Length: 54 m; Model depth: 3.7 m; Type width: 8.5 m; Design draught: 2.25 m; Design displacement: 590 tons; Speed: 15 knots; Main unit : 301Z-301Y diesel engine2 sets, rated power 2x809 kW ( 2x1100 hp); endurance 3,000 nautical miles; self-sustaining force 10 days.