Japanese submarine chaser CH-24

History
Empire of Japan
Name	CH-24
Builder	Osaka Iron Works
Completed	20 December 1941
Fate	Sunk by the destroyer USS Burns, 17 February 1944
General characteristics
Class and type	No.13-class submarine chaser
Displacement	438 long tons (445 t) standard
Length	51 m (167 ft 4 in) o/a
Beam	6.7 m (22 ft 0 in)
Draught	2.75 m (9 ft 0 in)
Propulsion	2 × Kampon Mk.23A Model 8 diesels, 2 shafts, 1,700 bhp (1,268 kW)
Speed	16 knots (30 km/h; 18 mph)
Range	2,000 nmi (3,700 km) at 14 kn (26 km/h; 16 mph)
Complement	68
Sensors and processing systems	1 × Type 93 active sonar 1 × Type 93 hydrophone
Armament	1 × 76.2 mm (3.00 in) L/40 AA gun 2 × Type 93 13.2 mm (0.52 in) AA guns 36 × Type 95 depth charges 2 × Type 94 depth charge projectors 1 × depth charge thrower

The Japanese submarine chaser CH-24 was a No.13-class submarine chaser of the Imperial Japanese Navy during World War II. She was built by the Ōsaka Iron Works, Sakurajima and completed on 20 December 1941. On 24 August 1942, she left Rabaul as part of Operation RE, for the landings at Milne Bay. On March 15, 1943 she, along with CH-22 and Satsuki, sank a submarine, possibly USS Triton, north west of the Admiralty Islands.

She was sunk during Operation Hailstone by the destroyer USS Burns west of Truk on 17 February 1944.

• Ships of the World special issue Vol.45, Escort Vessels of the Imperial Japanese Navy, "Kaijinsha"., (Japan), February 1996
• Model Art Extra No.340, Drawings of Imperial Japanese Naval Vessels Part-1, "Model Art Co. Ltd". Archived from the original on 2012-06-05. Retrieved 2011-08-25. (Japan), October 1989
• The Maru Special, Japanese Naval Vessels No.49, Japanese submarine chasers and patrol boats, "Ushio Shobō". (Japan), March 1981

• "IJN Subchaser CH-24: Tabular Record of Movement". Combined Fleet.