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Ioshima-class cruiser
General characteristics
Type: Escort vessel
Length: 360 ft (110 m)
Beam: 39 ft (12 m)
Draught: 13 ft (4.0 m)
Speed: 21-23kt
Range: 5,000 nmi (9,300 km) at 12 kn (14 mph; 22 km/h)
Armament: • 2 × 12 cm (5 in)/45 10th Year Type
• 5 × triple 25 mm (1 in)/60 Type 96 AA guns
• Several machineguns
• 2 × depth charge racks

The Ioshima class Second-class Cruisers (五百島型二等巡洋艦?) were a pair of escort ships reconstructed from former Republic of China Navy Ning Hai class cruisers that were sunk during earlier battles- Ioshima (五百島?) from Ning Hai and Yasoshima (八十島?) from Ping Hai - these ships were salvagable as river water doesn't corrode sunken hulls as badly as sea water would. Originally they were to be transferred to the puppet government of Wang Jing-Wei, but instead of honoring the agreement, the Japanese seized and outfitted them first as barracks hulks and ultimately to their final form in 1944.

Since they were built on the same design from the start (just by two different builders), the reconstruction brought them to a more-or-less common standard: old armaments and fire control platforms were removed; aft superstructures (including the seaplane facility aboard the former Ning Hai) were replaced with bigger ones mounting boat handling cranes and a raised main gun position, and search radar sets were installed. Their new armaments (secondary rifles passed from modernised cruisers and 25mm machine cannons), while seemingly lighter, were dual-purpose weapons more-suitable against contemporary aircraft.

Both Isoshima and Yasoshima were sunk by late 1944.


Name Builder Acquired Recommissioned Fate
Ioshima (ex-Ning Hai) Harima Dock Co., Ltd. 1938 June 28, 1944 Sunk by USS Shad on September 19, 1944
Yasoshima (ex-Ping Hai) Kiangnan Dock and Engineering Works 1938 September 25, 1944 Sunk by US Navy Aircraft on November 25, 1944

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