ROKS Hyun Sihak (PKG-718)

Patrol Vessel

South Korea | 2011

"ROKS Hyun Sihak PKG-718 serves the modern South Korean Navy and is an integral part of the country's defense."

Image from the South Korean Ministry of Defense; Public Release.

Authored By: Staff Writer | Last Edited: 09/09/2022 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.

The modern Republic of Korea (South Korea) Navy (RoKN) utilizes a pair of classes to fulfill its patrol vessel requirement - the Yoon Youngha-class and the newer Chamsuri-class. Of the two, the Yoon Youngha-class is more conventional in its approach, outfitted with basic systems and processing systems as well as a modest armament suite to stand as the last line of defense for the peninsular nation. The class carries the "PKG" hull designation signifying "Patrol Killer Guided-Missile". ROKS Hyun Sihak (PKG-718) represents one of the eighteen original hulls which have been followed by the related PKX-B(PKMR) breed numbering sixteen ships.

Hyun Sihak was laid down by Hanjin Heavy Industries (HHI) of South Korea and launched on July 28th, 2010. She maintains an active service status in the RoKN fleet.

As a modern patrol ship, the vessel has a displacement of 560 tons (long) and a running length of 206.7 feet, a beam measuring 29.5 feet, and a draught down to 9.9 feet. Power is conventional, arranged as a COmbined Diesel-And-Gas (CODAG) system incorporating 2 x Hanhwha Techwin (General Electric) LM500 gas turbines of 6,130 horsepower with 2 x Doosan (MTU) 12V 595 TE90 engines of 4,340 horsepower, and 2 x STX (MTU) 16V 1163 TB93 engines of 7,940 horsepower. This gives the vessel the capability to economize fuel use in dashing and cruising actions. Furthermore, the hull carries 3 x Doosan Heavy Industries (DHI) waterjets for fine-tuned maneuvering.

All this gives the ship a top ocean-going speed of 44 knots, in ideal conditions, out to a range of 2,000 nautical miles.

Aboard is a crew of forty and the ship is outfitted with the STX RadarSys SPS-100K surface-search radar system, the LIG Nex1 SPS-540K 3D surveillance radar, and the Saab CEROS 200 Fire Control System (FCS). A pair of TS Tech K-RBOC Mk.36 systems serve in the electronic warfare / decoy role alongside the LIG Nex1 Sonata SLQ-200(V)K ECM/ECCM suite.

Armament is led by a turreted 76mm Hyundai Wia gun emplacement over the forecastle. This is backed by n S&T Dynamics "No Bong" 40L/70K twin gunned emplacement. Beyond this are 4 x LIG Nex1 SSM-700K "Hae Sung" anti-ship subsonic cruise missiles and 2 x 12.7mm S&T Dynamics K6 Heavy Machine Guns (HMGs). All told, the vessel has enough to deal as a last line-of-defense, maritime deterrence, or active security platform for the RoKN.

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Power & Performance
Those special qualities that separate one sea-going vessel design from another. Performance specifications presented assume optimal operating conditions for ROKS Hyun Sihak (PKG-718).

COmbined Diesel-And-Gas (CODAG): 2 x Hanwha Techwin (General Electric) LM500 gas turbines developing 6,130 horsepower; 2 x Doosan (MTU) 12V 595 TE90 engines developing 4,340 horsepower; 2 x STX (MTU) 16V 1163 TB93 engines developing 7,940 horsepower; 3 x Doosan Heavy Industries (DHI) waterjets.
Propulsion

44.0 kts
50.6 mph
Surface Speed

1,999 nm
2,300 miles | 3,701 km
Range

Structure
The bow-to-stern, port-to-starboard physical qualities of ROKS Hyun Sihak (PKG-718).

40
Personnel
Complement

206.7 ft
63.00 meters
O/A Length

29.5 ft
8.99 meters
Beam

9.9 ft
3.02 meters
Draught

630
tons
Displacement

Armament
Available supported armament and special-mission equipment featured in the design of ROKS Hyun Sihak (PKG-718).

1 x 76mm turreted deck gun.
1 x 40mm 40L/70L Anti-Aircraft (AA) gun in single twin-gunned turret.
4 x LIG Nex1 SSM-700K "Hae Sung" anti-ship / cruise msisiles.
2 x 12.7mm S&T Dynamics K6 Heavy Machine Guns (HMGs).

Ships-in-Class (34)
Notable series variants as part of the ROKS Hyun Sihak (PKG-718) family line as relating to the Yoon Youngha-class group.

ROKS Yoon Youngha (PKG-711); ROKS Han Sanggook (PKG-712); ROKS Jo Chunhyung (PKG-713); ROKS Hwang Dohyun (PKG-715); ROKS Suh Hoowon (PKG-716); ROKS Park Donghyuk (PKG-717); ROKS Hyun Sihak (PKG-718); Jung Geungmo (PKG-719); ROKS Ji Deokchil (PKG-721); ROKS Lim Byeongrae (PKG-722); ROKS Hong Siuk (PKG-723); ROKS Hong Daeseon (PKG-725); ROKS Han Munsik (PKG-726); ROKS Kim Changhak (PKG-727); ROKS Park Dongjin (PKG-728); ROKS Kim Soohyun (PKG-729); ROKS Jeon Byeongik (PKG-732); ROKS Lee Byungchul (PKG-733)

Operators
Global operator(s) of the ROKS Hyun Sihak (PKG-718). Nations are displayed by flag, each linked to their respective national naval warfare listing.

Shipbuilder(s): Hanjin Heavy Industries (HHI) - South Korea

[ South Korea ]

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Image from the South Korean Ministry of Defense; Public Release.

Going Further...
ROKS Hyun Sihak (PKG-718) Patrol Vessel appears in the following collections:

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