ROKS Yeosu

ROKS *Yeosu*
	ROKS Yeosu on 10 November 2015
History
South Korea
Name	Yeosu; (여수);
Namesake	Yeosu
Builder	DSME, Geoje
Launched	14 June 1986
Commissioned	1 December 1986
Decommissioned	27 December 2017
Identification	Pennant number: PCC-765
Fate	Transferred to Vietnam People's Navy
Vietnam
Name	HQ-20
Acquired	17 October 2018
Commissioned	17 October 2018
Identification	Pennant number: HQ-20
Status	Active
General characteristics
Class and type	Pohang-class corvette
Displacement	1,220 tons
Length	289.7 ft (88 m)
Beam	10 m (33 ft)
Draft	2.9 ft (0.88 m)
Installed power	2 × MTU 6V396 TC52 diesel generators
Propulsion	Combined diesel or gas (CODOG) arrangement:; 2 × MTU 12V956 TB82 diesel engines producing combined total of 6,260 shp (4,670 kW); 1 × General Electric LM2500 PB gas turbines generating 27,820 shp (20,700 kW);
Speed	32 knots (59 km/h; 37 mph) maximum
Range	4,000 nmi (7,400 km; 4,600 mi) at 15 knots (28 km/h; 17 mph) using diesel engines
Endurance	20 days
Boats & landing ; craft carried	2 × RHIB
Crew	118
Sensors and ; processing systems	X-band & S-band navigational radars; Raytheon AN/SPS-64(V)5B surface search radar; Signaal (Thales Nederland) WM-28 Fire Control System; Signaal (Thales Nederland) LIOD optronic director; Raytheon AN/SQS-58 hull mounted passive/active sonar;
Electronic warfare ; & decoys	2 × Loral Hycor Mk 34 RBOC Chaff and Decoy Launching System
Armament	2 × Oto Melara 76 mm/62 caliber Compact naval guns; 2 × Otobreda 40 mm L/70 twin naval guns; 2 × Mk 32 triple torpedo tubes; 2 × Mk 9 Depth charge racks; 6 × M2HB Browning .50 caliber machine guns;

ROKS Yeosu (PCC-765) was a Pohang-class corvette of the Republic of Korea Navy and later transferred to Vietnam People's Navy as HQ-20.

Development and design

The Pohang class is a series of corvettes built by different Korean shipbuilding companies. The class consists of 24 ships and some after decommissioning were sold or given to other countries. There are five different types of designs in the class from Flight II to Flight VI.^[1]

Construction and career

Yeosu was launched on 14 June 1986 by DSME in Geoje. The vessel was commissioned on 1 December 1986 and decommissioned on 27 December 2017. She was transferred to the Vietnam People's Navy. She arrived on 17 October 2017 with a new name HQ-20.^[2]

During the South Korean International Fleet Review 2018 on 11 October 2018, HQ-20 sailed to South Korea with 13 other foreign country vessels.^[3]

References

^ "Pohang (PCC Patrol Combat Corvette)". www.globalsecurity.org. Retrieved 2021-01-10.
^ "Vietnam receives second ROKN corvette - Naval Warfare - Shephard Media". www.shephardmedia.com. Retrieved 2021-01-31.
^ "ROK Defense: Photos from South Korea International Fleet Review 2018". ROK Defense. 2018-10-11. Retrieved 2021-01-31.

[1] "Pohang (PCC Patrol Combat Corvette)". www.globalsecurity.org. Retrieved 2021-01-10.

[2] "Vietnam receives second ROKN corvette - Naval Warfare - Shephard Media". www.shephardmedia.com. Retrieved 2021-01-31.

[3] "ROK Defense: Photos from South Korea International Fleet Review 2018". ROK Defense. 2018-10-11. Retrieved 2021-01-31.

[1]

[2]

[3]

v t e Pohang-class corvettes
Republic of Korea Navy	Pohang Gunsan Gyeongju Mokpo Gimcheon Chungju Jinju Yeosu Jinhae Suncheon Iri / Iksan Wonju Andong Cheonan (sinking) Seongnam Bucheon Jecheon Daecheon Sokcho Yeongju Namwon Gwangmyeong Sinseong Gongju
Colombian National Navy	Almirante Tomo (ex-Iri / Iksan)
Egyptian Navy	Shbab Misr (ex-Jinju)
Peru Coast Guard	Ferré (ex-Gyeongju) Guise (ex-Suncheon)
Philippine Navy	Conrado Yap (ex-Chungju)
Vietnam People's Navy	HQ-18 (ex-Gimcheon) HQ-20 (ex-Yeosu)