Daegu-class frigate

Ship class

ROKS Seoul

Class overview
Name| Daegu class
Builders|

* Daewoo Shipbuilding & Marine Engineering
* Hyundai Heavy Industries

Operators|  Republic of Korea Navy
Preceded by| Incheon class
Succeeded by| Chungnam class
In commission| 2018–present
Planned| 8
Completed| 8
Active| 8
General characteristics
Type| Guided missile frigate
Displacement| 3,100 t (empty), 3,600 t (full load)
Length| 122 m (400 ft 3 in)
Beam| 14 m (45 ft 11 in)
Draft| 4 m (13 ft 1 in)
Propulsion|

* Combined diesel–electric or gas
* 1 × Rolls-Royce MT30 gas turbine
* 4 × MTU 12V 4000 M53B diesel engine
* 2 × Leonardo DRS electric motors

Speed|

* 30 knots (56 km/h; 35 mph) (max)
* 18 knots (33 km/h; 21 mph) (cruising)

Range| 4,500 nmi (8,300 km; 5,200 mi)
Complement| 140
Sensors &
processing systems|

* SPS-550K air search 3D radar
* SPG-540K fire control radar
* SQS-240K hull-mounted sonar
* SQR-250K towed array sonar system
* SAQ-540K EOTS
* Hanwha Systems SAQ-600K IRSTs
* Naval Shield Integrated Combat Management System

Electronic warfare
& decoys|

* LIG Nex1 SLQ-200(V)K Sonata electronic warfare suite
* SLQ-261K torpedo acoustic counter measures
* MASS decoy launchers

Armament|

* 1 ×  5-inch (127 mm)/L62 caliber Mk 45 Mod 4 naval gun
* 1 × 20 mm Phalanx CIWS
* 6 × K745 Blue Shark torpedo in triple torpedo tubes
* 8 × SSM-700K Haeseong Anti-ship Missile
* 16-cell K-VLS for:
* Haegung K-SAAM quadpacked in 4 per cell
* Haeryong VL-Tactical Land Attack Missiles
* K745A1 Red Shark

Aircraft carried| Super Lynx or AW159 helicopter
Aviation facilities| Flight deck and enclosed hangar for one medium-lift helicopter

The Daegu-class frigate (Hangul: 대구급 호위함, Hanja: 大邱級護衛艦) is a class of guided missile frigates of the Republic of Korea Navy (ROKN). The Daegu class is based on the preceding Incheon class, and has otherwise been referred to as the Incheon class batch II, or FFG-II. Eight Daegu-class ships have been commissioned, with the final goal of 20–22 frigates, of all types, in the ROKN.[1] The Daegu-class frigates were built by Daewoo Shipbuilding & Marine Engineering (DSME) and Hyundai Heavy Industries.

## Features

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See also: Incheon-class frigate

The Daegu class is an improved variant of the Incheon-class frigate. Modifications to the Incheon class include a TB-250K towed array sonar system and a 16-cell Korean Vertical Launching System (K-VLS), that is able to deploy the K-SAAM, K745A1 Red Shark anti-submarine missile, and SSM-700K Haeseong tactical land attack cruise missiles.[2]

The hull design is generally based on the Incheon class. As a part of weapon system modifications, the superstructure has been significantly changed. The hangar and a helicopter deck on the stern has been enlarged to support the operation of a 10-ton helicopter.[3][4]

The Daegu class is the first Korean warship equipped with a combined diesel-electric or gas (CODLOG) propulsion system. The propulsion system of the ROKN ships have a gas turbine direct drive, and four high speed diesel generators driving two Leonardo DRS permanent magnet electric motors. The Rolls Royce MT30 turbine engine replaces the twin gas turbine layout of the Incheon-class frigates.[1]

The Daegu class provides improved anti-submarine warfare (ASW) capability than the predecessor Incheon class. An improved ASW capability is provided by the Hanwha Systems SQS-250K towed array sonar and SQS-240K hull-mounted sonar.[5]

## Ships in the class

[edit]

Name  | Pennant number  | Builder  | Launched  | Commissioned  | Status

|
|
|
|
|

ROKS Daegu | FFG-818  | DSME | 2 June 2016  | 6 March 2018  | Active
ROKS Gyeongnam | FFG-819  | DSME[6] | 21 June 2019[7] | 4 Jan 2021  | Active
ROKS Seoul | FFG-821  | Hyundai Heavy Industries | 11 November 2019  | July 2021  | Active
ROKS Donghae | FFG-822  | Hyundai Heavy Industries | 29 April 2020  | 10 November 2021  | Active
ROKS Daejeon | FFG-823  | DSME | 3 May 2021[8] | 27 February 2023  | Active
ROKS Pohang | FFG-825  | DSME | 8 September 2021  | 28 February 2023[9] | Active
ROKS Cheonan | FFG-826  | Hyundai Heavy Industries | 9 November 2021[10] | 19 May 2023[11] | Active
ROKS Chuncheon | FFG-827  | Hyundai Heavy Industries | 22 March 2022  | 24 October 2023[12] | Active

## Export

[edit]

### Peru

[edit]

On 16 April 2024, Hyundai Heavy Industries signed a ₩640.6 billion ($463.7 million) deal with SIMA, Peru's state-run shipyard, to build four naval vessels, including a 3,400-ton frigate based on the Daegu class. The ship will be built at a local Peruvian shipyard under the deal and delivered to the Peruvian Navy in 2030.[13][14]

## References

[edit]

1. ^ a b "Rolls-Royce to supply MT30 Gas Turbines to next three Korean Daegu-class frigates". www.rolls-royce.com. Archived from the original on 2022-12-05. Retrieved 2017-10-27.
2. ^ ROK Navy Launches New Warship Capable of Hitting Targets Inside North Korea \- Thediplomat.com, 9 June 2016
3. ^ "Koreas New Coastal Frigates: the FFX Incheon Class".
4. ^ South Korea Orders Two Daegu-class FFX-II Frigates Ahead of Schedule to Support Shipbuilder \- Navyrecognition.com, 21 December 2016
5. ^ GDC (2021-07-12). "South Korea launches fifth FFX II Daegu-class frigate ROKS Daejeon". Global Defense Corp. Retrieved 2021-07-13.
6. ^ "방사청, 최신예 호위함 2번함 건조 계약 대우조선과 체결". 11 October 2016.
7. ^ "해군, 신형 호위함 '경남함' 진수식". 21 June 2019.
8. ^ "S. Korea launches new frigate with improved anti-submarine capabilities". Yonhap. 3 May 2021. Retrieved 3 May 2021.
9. ^ "DSME Delivers Sixth Daegu-Class FFX Batch II Frigate To ROK Navy". 2 Mar 2023. Retrieved 24 Oct 2023.
10. ^ "Cheonan Reborn 11 Years After Torpedo Attack by N.Korea". The Chosun Ilbo. 10 November 2021.
11. ^ "ROK Navy Commissions Seventh Daegu-Class FFX Batch II Frigate". 19 May 2023. Retrieved 24 Oct 2023.
12. ^ "South Korea Commissions Final Daegu-Class FFX Batch II Frigate". 24 Oct 2023. Retrieved 24 Oct 2023.
13. ^ "HD현대중공업, 페루서 함정 4척, 총 6,406억 원 수주계약 체결". HD Hyundai Heavy Industries. 17 April 2024. Archived from the original on 24 April 2024. Retrieved 24 April 2024.
14. ^ José Higuera (19 April 2024). "South Korea's HHI inks deal to build four ships for Peru's Navy". Defense News. Archived from the original on 24 April 2024. Retrieved 24 April 2024.

## External links

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Wikimedia Commons has media related to Daegu class frigates.

* v
* t
* e

Daegu-class frigates

* Daegu
* Gyeongnam
* Seoul
* Donghae
* Daejeon
* Pohang
* Cheonan
* Chuncheon

* Preceded by: Incheon class
* Followed by: N/A

* List of frigates of the Republic of Korea Navy

* v
* t
* e

Active ship classes of the Republic of Korea Navy

Submarines|

| Dosan Ahn Changho-class SS|

* Dosan Ahn Changho
* Ahn Mu
* Shin Chae-ho

|

Sohn Won-yil-class SS|

* Sohn Won-yil
* Jeong Ji
* An Jung-geun
* Kim Jwa-jin
* Yun Bong-gil
* Yu Gwan-sun
* Hong Beom-do
* Lee Beom-seok
* Shin Dol-seok

Jang Bogo-class SS|

* Jang Bogo
* Yi Cheon
* Choe Museon
* Park Wi
* Lee Jongmoo
* Jung Woon
* Yi Sun-sin
* Na Dae-yong
* Yi Eokgi

Destroyers|

| Sejong the Great-class DDG|

* Sejong the Great
* Yulgok Yi I
* Seoae Ryu Seong-ryong
* Jeongjo the Great

|

Chungmugong Yi Sun-sin-class DDH|

* Chungmugong Yi Sun-sin
* Munmu the Great
* Dae Jo-yeong
* Wang Geon
* Gang Gam-chan
* Choe Yeong

Gwanggaeto the Great-class DDH|

* Gwanggaeto the Great
* Eulji Mundeok
* Yang Man-chun

Frigates|

| Daegu-class FFG|

* Daegu
* Gyeongnam
* Seoul
* Donghae
* Daejeon
* Pohang
* Cheonan
* Chuncheon

|

Incheon-class FFG|

* Incheon
* Gyeonggi
* Jeonbuk
* Gangwon
* Chungbuk
* Gwangju

Ulsan-class FF|

* Chungnam
* Masan
* Gyeongbuk
* Jeonnam
* Jeju
* Busan
* Cheongju

Corvettes|

| Pohang-class PCC|

* Jinhae
* Wonju
* Andong
* Bucheon
* Seongnam
* Jecheon
* Daecheon
* Sokcho
* Yeongju
* Namwon
* Gwangmyeong
* Sinseong
* Gongju

|

Patrol vessels|

| Yoon Youngha-class PKG|

* Yoon Youngha
* Han Sanggook
* Jo Chunhyung
* Hwang Dohyun
* Suh Hoowon
* Park Donghyuk
* Jung Geungmo
* Ji Deokchil
* Lim Byeongrae
* Hong Siuk
* Hong Daeseon
* Han Munsik
* Kim Changhak
* Park Dongjin
* Kim Soohyun
* Jeon Byeongik
* Lee Byungchul

|

Chamsuri 211-class PKMR|

* Chamsuri 211 - 229

Chamsuri-class PKM|

* Chamsuri 298 - 375

Amphibious
warfare ships|

| Dokdo-class LPH|

* Dokdo
* Marado

|

Cheon Wang Bong-class LST|

* Cheonwangbong
* Cheonjabong
* Ilchulbong
* Nojeokbong

Go Jun Bong-class LST|

* Gojunbong
* Birobong
* Hyangnobong
* Seonginbong

Solgae 631-class LSF|

* Solgae 631
* Solgae 632
* Solgae 633
* Solgae 635

Solgae 621-class LSF|

* Solgae 621
* Solgae 622
* Solgae 623

Mine warfare
ships|

| Nampo-class MLS|

* Nampo

|

Wonsan-class MLS|

* Wonsan

Yangyang-class MSH|

* Yangyang
* Ongjin
* Haenam

Ganggyeong-class MHC|

* Ganggyeong
* Gangjin
* Goryeong
* Gimpo
* Gochang
* Gimhwa

Auxiliary ships|

| Soyang-class AOE|

* Soyang

|

Cheonji-class AOE|

* Cheonji
* Daecheong
* Hwacheon

Pyeongtaek-class ATS|

* Pyeongtaek
* Gwangyang
* Tongyeong

Cheonghaejin-class ASR|

* Cheonghaejin

Singiwon-class AGS|

* Singiwon

Sinsegi-class AGS|

* Sinsegi

Dadohae-class ASL|

* Dadohae

Mulgae 87-class LCU|

* Mulgae 87 - 91

Mulgae 79-class LCU/L|

* Mulgae 83 - 86

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