Japanese escort ship Etorofu
Etorofu was the lead ship of her class of fourteen ships built for the Imperial Japanese Navy during World War II.
Background and description
The Etorofu class was an improved version of the preceding with a greater emphasis on anti-submarine warfare. The ships measured overall, with a beam of and a draft of. They displaced at standard load and at deep load. The ships had two diesel engines, each driving one propeller shaft, which were rated at a total of for a speed of. The ships had a range of at a speed of.The main armament of the Etorofu class consisted of three Type 3 guns in single mounts, one superfiring pair aft and one mount forward of the superstructure. They were built with four Type 96 anti-aircraft guns in two twin-gun mounts, but the total was increased to 15 guns by August 1943. 36 depth charges were stowed aboard initially, but this later increased by August 1943 to 60 depth charges with a Type 97 trench mortar and six depth charge throwers. They received Type 22 and Type 13 radars and Type 93 sonar in 1943–44.