Thonburi-class coastal defence ship

	HTMS Thonburi
Class overview
Builders	Kawasaki Dockyard Co.
Operators	Royal Thai Navy
Preceded by	Ratanakosidra class
Built	1936–1938
In commission	1938-1951
Completed	2
Lost	2
General characteristics
Type	Coastal defence ship
Displacement	2,265 long tons (2,301 t)
Length	76.50 m (251 ft 0 in)
Beam	14.43 m (47 ft 4 in)
Draught	4.17 m (13 ft 8 in)
Propulsion	MAN diesels, 2 shafts; 3,900 kW (5,200 bhp);
Speed	15.5 kn (17.8 mph; 28.7 km/h)
Complement	155
Armament	4× 8 in (203 mm) guns (2 twin turrets); 4× 3 in (76 mm) anti-aircraft guns; 4× 40mm anti-aircraft guns;
Armour	Belt: 2+1⁄2 in (64 mm); Turrets:4 in (100 mm); Barbettes:4 in; Decks:1+1⁄2–1 in (38–25 mm);

The Thonburi class was a class of coastal defence ships of the Royal Thai Navy. It consisted of two ships built by Kawasaki and delivered in 1938, HTMS Thonburi and HTMS Sri Ayudhya.

Class overview
HTMS Thonburi
Builders	Kawasaki Dockyard Co.
Operators	Royal Thai Navy
Preceded by	Ratanakosidra class
Built	1936–1938
In commission	1938-1951
Completed	2
Lost	2
General characteristics ^[1]
Type	Coastal defence ship
Displacement	2,265 long tons (2,301 t)
Length	76.50 m (251 ft 0 in)
Beam	14.43 m (47 ft 4 in)
Draught	4.17 m (13 ft 8 in)
Propulsion	MAN diesels, 2 shafts 3,900 kW (5,200 bhp)
Speed	15.5 kn (17.8 mph; 28.7 km/h)
Complement	155
Armament	4× 8 in (203 mm) guns (2 twin turrets) 4× 3 in (76 mm) anti-aircraft guns 4× 40mm anti-aircraft guns
Armour	Belt: 2+1⁄2 in (64 mm) Turrets:4 in (100 mm) Barbettes:4 in Decks:1+1⁄2–1 in (38–25 mm)