Thonburi class Coastal Defence Ship
General specifications:
Displacement: 1,676 tons standard : 2,350 tons full load
Length: 77.01 m
Beam: 13.41 m
Draught: 4.2 m
Propulsion: 2xMAN diesels, 2xshafts 3,900 kW (5,200 bhp)
Speed: 15.8 knots
Range: 6,493 NM at 12.2 knots
Crew: 234
Builder: Kawasaki Dockyard
Armament:
2xtwin 200/50 mm Type D Japanese guns
4xsingle 75/51mm Bofors guns
2xtwin 20 mm Medsen guns
Commission
HTMS Thonburi 31 January 1938
HTMS Sri Ayudhya 19 July 1938