Chang Bogo-class submarine
Republic of Korea (ROK) Chang Bogo Type 209/1200 Submarine Chang Bogo heads out to sea during exercise Rim of the Pacific (RIMPAC) 2004.
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| Class overview | |
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| Name: | Chang Bogo class |
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| Operators: | |
| Succeeded by: | Type 214 submarine |
| In commission: | 1993–present |
| Planned: | 18 (+3 Indonesia) |
| Completed: | 9 |
| Cancelled: | 9 |
| Active: | 9 |
| General characteristics | |
| Displacement: | 1200–1400 tons |
| Length: | 56–61 m (184–200 ft) |
| Beam: | 6.3 m (21 ft) |
| Draft: | 5.5 m (18 ft) |
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| Speed: |
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| Range: |
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| Endurance: | 50 days |
| Test depth: | 500 m (1,600 ft) |
| Complement: | 33 |
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The Chang Bogo-class submarine (Hangul: 장보고급 잠수함, Hanja: 張保皐級潛水艦) is a variant of the Type 209 diesel-electric attack submarine initially developed by Howaldtswerke-Deutsche Werft (HDW) of Germany, intended for service with the South Korean Navy and Indonesian Navy. A Daewoo (DSME)-upgraded model of the Chang Bogo class Type 209 is being independently exported by Korea to Indonesia in 2012, after a series of heavy competitions from Russian, French, and German-Turkish consortiums including from Germany's original Type 209. The variant is being considered for possible purchase by Thailand as well, as both newly built and second-hand options. The class is named for ancient Korean maritime figure Jang Bogo.
The Chang Bogo-class submarines are armed with 8 bow 533 mm torpedo tubes and 14 torpedoes. The ships are also armed with Sub-Harpoon missiles and can be armed with 28 Mines in place of Torpedoes and Harpoon. The class is armed with SUT - Surface and Underwater Target Torpedoes.
The South Korean Chang Bogo-class submarines, originally based on Type 209/1200, had reportedly been heavily upgraded from a time early in the 21st century, which if properly undertaken was supposed to include domestic hull stretch augmentation from 1,200 tons to 1,400 tons, and installment of domestically developed Torpedo Acoustic Counter Measures (TACM). These upgrades could have been affected due to Korean economic problems of the late 1990s, which affected other plans to acquire nine 1,500-ton AIP-equipped boats or upgrade six 1200 boats to 1,500-tons AIP-equipped boats, although the more ambitious plan to acquire nine 1,800-ton Type 214 AIP submarines was preserved and put under progress, which will reportedly be wrapped up in 2018 when all submarines of the type are scheduled to be commissioned. Outfitting the submarines with Sub-Harpoon launching capability was a part of the upgrade, and this seems to have been properly carried out by 2002 on at least one submarine. By 2007, Na Daeyong and Lee Eokgi were demonstrated to have the capability. In the 2008 RIMPAC the submarine Lee Sunshin also demonstrated its sub-harpoon capability. By 2009 it was reported that nine South Korean-modified 1,400-ton Type 209 submarines were in service with the ROKN. As of 2011 they were reported to be 1,200-ton Type 209 submarines. They can equip the White Shark heavy torpedo, and can possibly equip submarine-launched Hae Sung anti-ship missiles later on. LIG Nex1 began producing TACM for unspecified submarine types of the ROKN as well, which finished development in 2000. AIP and flank-array sonars are planned for future modernizations. The Chang Bogo class offered to Indonesia will already be in stretched and augmented forms including guided missile-launching capabilities and a surface displacement of 1400 tons, quite similar to the original plan to upgrade the existing Chang Bogo-class submarines of ROKN to similar specifications.
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