Trad-class torpedo boat

HTMS Chumpohn preserved as a museum ship
Class overview
NameTrad-class torpedo boat
BuildersCantieri Riuniti dell'Adriatico, Monfalcone
Operators Royal Thai Navy
Preceded byNumber 1 class
Succeeded byKantang class
Built1934–1938
In commission1935–1977
Completed9
Lost2
Retired7
Preserved1
General characteristics
TypeTorpedo boat
Displacement318 long tons (323 t) standard
Length67.97 m (223 ft 0 in) o/a
Beam6.4 m (21 ft 0 in)
Draught2.13 m (7 ft 0 in)
Installed power9,000 shp (6,700 kW)
Propulsion
Speed31 knots (57 km/h; 36 mph)
Armament
  • 3 × 76 mm (3 in) guns
  • 2 × 20 mm (0.8 in) cannon
  • 4 × 8 mm (0.31 in) machine guns
  • 6 × 450 mm (18 in) torpedo tubes

The Trad class was a class of nine torpedo boats built for the Royal Thai Navy in the 1930s by the Italian shipbuilder Cantieri Riuniti dell'Adriatico. They entered service between 1935 and 1938. Two of the ships were sunk (and a third badly damaged by French warships at the Battle of Ko Chang in 1941, but the remaining seven ships had long careers, remaining in service until the 1970s.


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