History
South Korea
Name
  • Seoul
  • (서울)
NamesakeSeoul
BuilderHyundai
Launched11 November 2019
CommissionedExpected, 2021
IdentificationPennant number: FFG-821
StatusFitting out
General characteristics
Class and typeDaegu-class frigate
Displacement
  • 2,800 tonnes (2,756 long tons) light
  • 3,592 tonnes (3,535 long tons) full load
Length122 m (400 ft)
Beam14 m (46 ft)
Draft4 m (13 ft)
Propulsion
Speed
  • 30 knots (56 km/h; 35 mph) (max)
  • 18 knots (33 km/h; 21 mph) (cruising)
Range4,500 nautical miles (8,000 km)
Complement140
Sensors and
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
Aircraft carriedSuper Lynx or AW159 helicopter
Aviation facilitiesFlight deck and enclosed hangar for one medium-lift helicopter

ROKS Seoul (FFG-821) is the third ship of the Daegu-class frigate in the Republic of Korea Navy. She is named after the capital, Seoul.

Development

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, Hong Sang Eo anti-submarine missile, and Haeryong tactical land attack cruise missiles.[1]

The hull design is generally based on the one of the Incheon-class. However, as a part of weapon system modifications, the superstructure has been significantly changed. The hangar and a helicopter deck on stern has been enlarged to support the operation of a 10-ton helicopter.[2][3]

Construction and career

ROKS Seoul was launched on 11 November 2019 by Hyundai Heavy Industries and expected to be commissioned in 2021.[4]

References

  1. ↑ ROK Navy Launches New Warship Capable of Hitting Targets Inside North Korea - Thediplomat.com, 9 June 2016
  2. ↑ "Koreas New Coastal Frigates: the FFX Incheon Class".
  3. ↑ South Korea Orders Two Daegu-class FFX-II Frigates Ahead of Schedule to Support Shipbuilder - Navyrecognition.com, 21 December 2016
  4. ↑ "Hyundai Heavy launches South Korea's third Daegu-class frigate ROKS Seoul". Naval Today. 2019-11-15. Retrieved 2021-07-06.
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