History
Empire of Japan
Name	CD-186
Builder	Mitsubishi Heavy Industries, Nagasaki
Laid down	11 April 1944
Launched	30 December 1944
Sponsored by	Imperial Japanese Navy
Completed	15 February 1945
Commissioned	15 February 1945
Stricken	25 May 1945
Fate	Sunk by aircraft, 2 April 1945
General characteristics [1]
Type	Type D escort ship
Displacement	740 long tons (752 t) standard
Length	69.5 m (228 ft)
Beam	8.6 m (28 ft 3 in)
Draught	3.05 m (10 ft)
Propulsion	1 shaft, geared turbine engines, 2,500 hp (1,864 kW)
Speed	17.5 knots (20.1 mph; 32.4 km/h)
Range	4,500 nmi (8,300 km) at 16 kn (18 mph; 30 km/h)
Complement	160
Sensors and processing systems	Type 22-Go radar Type 93 sonar Type 3 hydrophone
Armament	As built : 2 × 120 mm (4.7 in)/45 cal DP guns 6 × Type 96 25 mm (0.98 in) AA machine guns (2×3) 12 × Type 3 depth charge throwers 1 × depth charge chute 120 × depth charges 1 × 81 mm (3.2 in) mortar

CD-186 or No. 186 was a Type D escort ship of the Imperial Japanese Navy during World War II.

She was laid down on 11 April 1944 at the Nagasaki shipyard of Mitsubishi Heavy Industries for the benefit of the Imperial Japanese Navy and launched on 30 December 1944.^[2][3] On 15 February 1945, she was completed and commissioned.^[2][3] On 2 April 1945, while escorting a convoy composed of No.28-class submarine chaser CH-49, No.1-class landing ship T-17, and No.103-class landing ships T-145 and T-146, she was attacked and sunk by planes from Rear Admiral Arthur W. Radford's Task Group 58.4 near Amami Ōshima at coordinates 28°07′N 129°09′E / 28.117°N 129.150°E / 28.117; 129.150.^[2] T-17 and T-145 were also sunk while CH-49 and T-146 were damaged.^[2]

On 25 May 1945, she was struck from the Navy List.^[3]

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