ARC Caldas was one of two s built for the Colombian Navy during the 1930s. Originally ordered for the Portuguese Navy, the two ships were purchased by Colombia while still under construction. She was discarded in 1960 and subsequently scrapped.
Design and description
The Antioquia-class ships were designed by the British shipbuilder Yarrow and were based on , a prototype destroyer built for the Royal Navy in 1926 by Yarrow. They were long overall and between perpendiculars, with a beam of and a draught of . The ship displaced at standard load and at full load.
The Antioquias were powered by two Parsons-Curtis geared steam turbines, each driving one propeller shaft using steam provided by three Yarrow boilers. The turbines, rated at , were intended to give a maximum speed of . The destroyers carried enough fuel oil to give them a range of at .
Armament was similar to contemporary Royal Navy destroyers, with a gun armament of four 4.7 in (120 mm) Vickers-Armstrong Mk G guns, and three 2-pounder () Mk VIII anti-aircraft guns. Two quadruple banks of 21-inch (533 mm) torpedo tubes were carried, while two depth charge throwers and 12 depth charges constituted the ships' anti-submarine armament. Up to 20 mines could be carried. The ships' complement consisted of 147 officers and men.