Japanese submarine chaser Cha-3

History
Imperial Japanese Navy
Name	Cha-3
Builder	Shanxi Shipbuilding Iron Works Co., Ltd.
Laid down	22 January 1942
Launched	27 October 1942
Completed	2 March 1943
Stricken	3 May 1947
Homeport	Yokosuka
General characteristics
Class and type	No.1-class Submarine chaser
Displacement	130 long tons (132 t) standard
Length	29.20 m (95 ft 10 in) overall
Beam	5.65 m (18 ft 6 in)
Draught	1.97 m (6 ft 6 in)
Propulsion	1 × intermediate diesel shingle shaft, 400 bhp
Speed	11.0 knots (12.7 mph; 20.4 km/h)
Range	1,000 nmi (1,900 km) at 10.0 kn (11.5 mph; 18.5 km/h)
Complement	32
Armament	1 × 7.7 mm machine gun 22 × depth charges 1 × dunking hydrophone 1 × simple sonar From mid 1943, the 7.7 mm machine gun was replaced with a 13.2mm machine gun

Cha-3 or No. 3 (Japanese: 第二號驅潜特務艇) was a No.1-class auxiliary submarine chaser of the Imperial Japanese Navy that served during World War II.

History

She was laid down on 22 January 1942 by the Shanxi Shipbuilding Iron Works Co., Ltd. and launched on 27 October 1942. She was completed on 2 March 1943, fitted with armaments at the Maizuru Naval Arsenal, and assigned to the Kii Defense Force, Osaka Guard District, where she served as an escort and sub chaser in the waters near Japan. On 15 August 1943, she was reassigned to the Southeast Area Fleet. She survived the war and was seized by allied forces at Rabaul. She was removed from the Navy List on 3 May 1947.