Japanese submarine chaser CH-6

History
Empire of Japan
Name	CH-6
General characteristics
Class and type	No.4-class submarine chaser
Displacement	291 long tons (296 t) standard 309 long tons (314 t) trial
Length	56.2 m (184 ft 5 in) overall 55.5 m (182 ft 1 in) waterline
Beam	5.6 m (18 ft 4 in)
Draught	2.1 m (6 ft 11 in)
Propulsion	2 × Kampon Mk.22 Model 6 diesels, 2 shafts, 2,600 bhp (1,900 kW)
Speed	20.0 knots (23.0 mph; 37.0 km/h)
Range	2,000 nmi (3,700 km) at 14 kn (16 mph; 26 km/h)
Complement	59
Armament	2 × 40 mm heavy machine guns 36 × depth charges 2 × Type 94 depth charge projectors 1 × depth charge thrower 1 × Type 93 active sonar 1 × Type 93 hydrophone No.4, November 1944 2 × 40 mm heavy machine guns 3 × Type 96 25 mm AA guns 36 × depth charges 2 × Type 94 depth charge projectors 2 × depth charge throwers (estimate) 1 × 13-Gō surface search radar 1 × Type 3 active sonar 1 × Type 93 hydrophone

CH-6 was a No.4-class submarine chaser of the Imperial Japanese Navy during World War II.

History

She participated in the invasion of the Northern Philippines (Operation "M") in December 1941 where she was assigned to Sub Chaser Division 21 (SCD 21) led by Commodore Ota along with CH-4, CH-5, CH-16, CH-17, and CH-18. SCD 21 was at the time assigned to Rear Admiral Hirose Sueto's 2nd Base Force under Vice Admiral Ibō Takahashi's Third Fleet.

Additional references

• "Escort Vessels of the Imperial Japanese Navy special issue". Ships of the World (in Japanese). Vol. 45. Kaijinsha. February 1996.
• Model Art Extra No.340, Drawings of Imperial Japanese Naval Vessels Part-1 (in Japanese). Model Art Co. Ltd. October 1989.
• The Maru Special, Japanese Naval Vessels No.49, Japanese submarine chasers and patrol boats (in Japanese). Ushio Shobō. March 1981.