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Naval Warfare

Sang-O (class)


Diesel-Electric Attack Submarine / Coastal Patrol Submarine [ 1991 ]



The Sang-O class of diesel-electric attack submarines powers a bulk of the North Korean Navy underwater force.



Authored By: Staff Writer | Last Edited: 08/09/2017 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

GO TO SPECIFICATIONS [+]
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The Sang-O-class of attack submarine makes up the largest underwater component of the modern North Korean Navy as at least forty of the type are believed to have been constructed. The first examples were unveiled in 1991 and many remain in active service today (2016). The submarine group offers basic attack, reconnaissance and mine-laying capabilities though lack an inherent missile-firing functionality and all are diesel-electric-powered boats cleared for cruising near the North Korean coastline (as opposed to deep water operation).

A typical Sang-O crew complement numbers just fifteen men, showcasing its very modest, compact dimensions which include a running length of 34 meters and a beam of 3.8 meters. Displacement is 275 tons when surfaced and 370 tons when submerged. Range is out to 1,500 nautical miles with depths tested down to 150 meters. Reported speed values include a surfaced speed of 7.5 knots and a submerged speed of 9 knots - making the Sang-O not particularly fast in any way. Typical radar and sonar sets are fitted to the bulk of the Sang-O group which provide basic underwater naval functionality. Standard armament is a simple pairing of 533mm bow-facing torpedo tubes firing the Russian-originated 53-65KE torpedo. The overall design shape of the Sang-O is typical of compact attack submarines - a rounded bow, mid-set sail and tapered stern section. Dive planes are featured well-forward and low along the bow.©MilitaryFactory.com
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It is largely assumed that, despite the size of the North Korean Navy's submarine force (second only to the United States on paper), the underwater fleet is largely outclassed by more modern submarine fleets seen globally. However, the force still supplies some tactical and strategic value as it can be used in a harassment and deterrent measure when pressed while also posing a viable threat to South Korean surface ships (both commercial and military in nature).

There is also an improved version of the Sang-O-class as the "Sang-O II" (also "K-300"), its existence first reported in 2011. These boats are slightly larger in dimension and heavier in displacement, adding to increased operational ranges and more internal volume for stores and special mission equipment. Its propulsion system not entirely known as it could be carried over from the earlier Sang-O design or of an all-new local endeavor.

The Sang-O stands as the largest locally-constructed submarine group available to the North Korean Navy. One example was captured by the South Korean Navy on September 18th, 1996 when it ran aground while spying near Gangneung. The vessel landed three special operations personnel and ran aground during the extraction phase of the mission. During the ensuing operation to collect the enemy forces (who had abandoned their submarine), twelve South Koreans were killed and twenty-four North Koreans perished. One was captured alive along with the abandoned submarine.©MilitaryFactory.com
Note: The above text is EXCLUSIVE to the site www.MilitaryFactory.com. It is the product of many hours of research and work made possible with the help of contributors, veterans, insiders, and topic specialists. If you happen upon this text anywhere else on the internet or in print, please let us know at MilitaryFactory AT gmail DOT com so that we may take appropriate action against the offender / offending site and continue to protect this original work.
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Specifications



Service Year
1991

Origin
North Korea national flag graphic
North Korea

Complement
15
PERSONNEL


Class
Sang-O-class
Number-in-Class
42
VESSELS
Ships-in-Class


At least 40 ships believed to have been constructed since 1991.


National flag of North Korea North Korea
(OPERATORS list includes past, present, and future operators when applicable)
Submerged Attack
Traveling under the surface to search, track, and / or engage or reconnoiter areas.
Offshore Operation
Activities conducted near shorelines in support of allied activities.
Maritime Patrol
Active patroling of vital waterways and maritime areas; can also serve as local deterrence against airborne and seaborne threats.
Fleet Support
Serving in support (either firepower or material) of the main surface fleet in Blue Water environments.


Length
111.5 ft
33.99 m
Beam
12.5 ft
3.79 m
Displacement
275
tons
Disp.Submerged
370
tons


Installed Power: 1 x Diesel-electric unit driving power to 1 x Shaft.
Surface Speed
7.5 kts
(8.6 mph)
Submerged Speed
9.0 kts
(10.4 mph)
Range
1,512 nm
(1,740 mi | 2,800 km)


kts = knots | mph = miles-per-hour | nm = nautical miles | mi = miles | km = kilometers

1 kts = 1.15 mph | 1 nm = 1.15 mi | 1 nm = 1.85 km
2 x 533mm torpedo tubes (53-65KE torpedoes)


Supported Types


Graphical image of an aircraft aerial torpedo


(Not all weapon types may be represented in the showcase above)
None.


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