Tachin-class Guided Missile Frigate

The Tachin-class guided missile frigates are a pair of frigates under construction for the Royal Thai Navy. They are based on the South Korean Gwanggaeto the Great-class destroyers.

Specifications

 * Type: Guided Missile Frigate
 * Service Period: 2020-
 * Characteristics:
 * Length: 404 feet (123.14 meters)
 * Beam: 47 feet 3 inches (14.4 meters)
 * Draught: 26 feet 3 inches (8 meters)
 * Displacement; 3,700 tons
 * Crew: 136
 * Installed Power: 4 x Ship Service Power Generation (Each of 830 kW Rated output)
 * Propulsion: 2 x diesel engines, 1 x controllable pitch propellor
 * Range: 4,000 nautical miles (7,408 kilometers) at 18 knots (33.34 km/h)
 * Speed: 30 knots (55.56 km/h)
 * Sensor Suite:
 * Saab Sea Giraffe 4A S-Band Long Range 3D Air/Surface Search Radar
 * Saab Sea Giraffe AMB C-Band Medium Range 3D Air/Surface Search Radar
 * ASO Bow Sonar
 * ACTAS Towed Array Sonar
 * Countermeasures:
 * Mk.53 Nulka decoy launchers
 * Armament
 * 1 x 76mm/62-caliber OTO Melara naval gun
 * 1 x 8-cell Mk.41 VLS (fires RUM-139 VL-ASROC and RIM-162 ESSM)
 * 2 x 4-cannister Mk.141 SSM Launchers (fires RGM-84L Harpoon Blk.2+ AShMs)
 * 2 x 30mm DS30M Mk.II autocannons
 * 2 x .50-caliber M2HB machine guns
 * 2 x 12.75" Mk.32 triple torpedo tubes (fires Mk.44/46 lightweight torpedoes)
 * 2 x 20mm Phalanx CIWS
 * Aircraft Carried: 1 x S-70B Sea Hawk or MH-60S Knighthawk maritime helicopter

Unit Run

 * HTMS Tachin (FFG-471) - fitting out
 * HTMS Prasae (FFG-472) - under construction