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	Japanese gunboat Chōkai at Sasebo, 1889
History
Empire of Japan
Name	Chōkai
Ordered	1883
Builder	Ishikawajima-Hirano Shipyards
Laid down	25 January 1886
Launched	20 August 1887
Commissioned	27 December 1888
Decommissioned	1 April 1908
Stricken	23 May 1911
Fate	Scrapped 1912
General characteristics
Class and type	Maya-class gunboat
Displacement	614 long tons (624 t)
Length	47.0 m (154.2 ft)
Beam	8.2 m (26 ft 11 in)
Draught	2.95 m (9 ft 8 in)
Propulsion	reciprocating steam engine; 2 shafts, 2 boilers; 950 hp (710 kW);
Speed	11.0 knots (12.7 mph; 20.4 km/h)
Range	60 tons coal
Complement	104
Armament	1 × 210 mm (8 in) guns; 1 × 120 mm (4.7 in) guns; 2 × 25 mm (0.98 in) Nordenfelt guns;
Service record
Operations:	Battle of Weihaiwei; Boxer Rebellion; Siege of Port Arthur;

Chōkai (鳥海) was an iron-hulled, steam gunboat, serving in the early Imperial Japanese Navy.^[1] She was the second vessel to be completed in the four vessel Maya class, and was named after Mount Chōkai in between Yamagata and Akita Prefectures.

Background

Chōkai was an iron-hulled, two-masted gunboat with a horizontal double expansion reciprocating steam engine with two cylindrical boilers driving two screws.^[2] She also had two masts for a schooner sail rig.

Chōkai was laid down at the Ishikawajima-Hirano Shipyards in Tokyo on 1 January 1886 and launched on 20 August 1887. She was completed on 27 December 1888.^[3]

Operational history

Chōkai was captained by Lieutenant Commander Kamimura Hikonojō from October 1893 to June 1894. Chōkai saw combat service in the First Sino-Japanese War under the command of Lieutenant Commander Tōgō Masamichi, patrolling between Korea, Dairen and played a role at the Battle of Weihaiwei. On the night of 5 February, Chōkai participated in a night operation with Atago, in which the gunboats made a feint attack on the north entrance to the harbor as a diversion while torpedo boats attacked from the east entrance, sinking the Chinese battleship Dingyuan and damaging the cruiser Laiyuan. After the surrender of China, Atago and Chōkai remained at Weihaihei as part of the Japanese occupation force.

On 21 March 1898, Chōkai was re-designated as a second-class gunboat, and was used for coastal survey and patrol duties.^[3] During the Boxer Rebellion, she was assigned to patrol off the Taku Forts.

During the Russo-Japanese War, Chōkai assisted in the Siege of Port Arthur. During the third attempt to sink old freighters in an attempt to block the entrance to Port Arthur harbor, Chōkai was present as one of the escorts. On a shore bombardment mission on 26 May 1904 to support the Japanese Second Army at the Battle of Nanshan (together with the cruiser Tsukushi), Chōkai came under fire, and her captain, Lieutenant Commander Hayashi Michio was killed. He was replaced by Lieutenant Commander Hirose Katsuhiko, the older brother of the famed war-hero Takeo Hirose, who commanded Chōkai through the end of the war, including the Invasion of Sakhalin towards the end of the war.

Chōkai was removed from active combat status on 1 April 1908, and was used as a training vessel at the Sasebo Naval District. She was removed from the navy list and transferred to the Home Ministry on 1 December 1911 for use as a police boat in Kobe Harbor. She was subsequently demilitarized and sold for scrap in 1912.^[3]

Notes

^ Jentsura, Hansgeorg (1976). Warships of the Imperial Japanese Navy, 1869-1945. Naval Institute Press. ISBN 0-87021-893-X. page 115
^ Chesneau, All the World’s Fighting Ships, p. 236.
^ ^a ^b ^c Nishida, Ships of the Imperial Japanese Navy

References

Corbett, Sir Julian. Maritime Operations in The Russo-Japanese War 1904-1905. (1994) Originally classified, and in two volumes, ISBN 1-55750-129-7
Chesneau, Roger and Eugene M. Kolesnik (editors), All The World's Fighting Ships 1860-1905, Conway Maritime Press, 1979 reprinted 2002, ISBN 0-85177-133-5
Jentsura, Hansgeorg (1976). Warships of the Imperial Japanese Navy, 1869-1945. Naval Institute Press. ISBN 0-87021-893-X.