ROKS Cheonan (FFG-826)

History
South Korea
Name
  • Cheonan
  • (천안)
NamesakeCheonan
BuilderHyundai Heavy Industries
Launched9 November 2021
Commissioned19 May 2023
IdentificationPennant number: FFG-826
StatusActive
General characteristics
Class & typeDaegu-class frigate
Displacement
  • 2,800 t (2,756 long tons) light
  • 3,592 t (3,535 long tons) full load
Length122 m (400 ft 3 in)
Beam14 m (45 ft 11 in)
Draft4 m (13 ft 1 in)
Propulsion
Speed30 knots (56 km/h; 35 mph) (max)
Range4,500 nmi (8,000 km)
Complement140
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
Aircraft carriedSuper Lynx or AW159 helicopter
Aviation facilitiesFlight deck and enclosed hangar for one medium-lift helicopter

ROKS Cheonan (FFG-826) is the seventh ship of the Daegu-class frigate in the Republic of Korea Navy. She is named after the city, Cheonan.