ROKS Na Dae-yong (SS-069)

ROKS Na Dae-yong (SS-069) is the eighth boat of the Jang Bogo-class submarine of the Republic of Korea Navy. She is one of Jang Bogo-class submarines to be built in South Korea.

ROKS Na Dae-yong underway on 8 July 2002.
History
South Korea
Name:
  • ROKS Na Dae-yong
  • (나대용)
Namesake: Na Dae-yong
Ordered: 12 August 1976
Builder: Daewoo Shipbuilding, South Korea
Launched: 9 June 1999
Acquired: 30 November 2000
Commissioned: 1 December 2000
Identification: Pennant number: SS-069
Status: Active
General characteristics
Class and type: Chang Bogo-class submarine
Displacement:
  • 1,180 t (1,160 long tons) surfaced
  • 1,285 t (1,265 long tons) submerged
Length: 55.9 m (183 ft 5 in)
Beam: 6.4 m (21 ft 0 in)
Draft: 5.9 m (19 ft 4 in)
Propulsion:
  • 4 MTU Type 12V493 AZ80 GA31L diesel engines
  • 1 Siemens electric motor
  • 1 shaft
  • 4,600 hp (3,400 kW)
Speed:
  • 11 knots (20 km/h; 13 mph) surfaced
  • 21 knots (39 km/h; 24 mph) submerged
Range: 11,300 nmi (20,900 km; 13,000 mi) surfaced at 4 knots (7.4 km/h; 4.6 mph)
Endurance: 50 days
Complement: 5 officers, 26 enlisted
Armament:

Development

At the end of the 1980s the South Korean navy started to improve its overall capability and began to operate more advanced vessels. South Korea purchased its first submarines, German U-209 class in its Type 1200 subvariant, ordered as the Jang Bogo class. These boats are generally similar to Turkey's six Atilay-class submarines, with German sensors and weapons.[1]

The first order placed late in 1987 covered three boats, one to be completed in Germany and the other two in South Korea from German-supplied kits. There followed by two additional three-boat orders placed in October 1989 and January 1994 for boats of South Korean construction. The boats were commissioned from 1993 to 2001.

The older boats were upgraded, it is believed that the modernization included a hull stretch to the Type 1400 length, provision for tube-launched Harpoon missiles and the addition of a towed-array sonar.[2]

Construction and career

ROKS Na Dae-yong was built by Daewoo Shipbuilding and launched on 9 June 1999. She was acquired by the navy on 30 November 2000 and commissioned on 1 December 2000.[3]

See also

References
  1. "ROKN Chang Bogo Class Submarines". Naval Technology. Retrieved 2020-08-15.
  2. "South Korea Submarine Capabilities | NTI". www.nti.org. Retrieved 2020-08-15.
  3. "잠수함사령부 - 나무위키". namu.wiki. Retrieved 2020-11-15.
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