Heien, originally known as 平遠 Pingyuan, built by the Mawei Navy Yard

Foochow Arsenal

The Foochow Arsenal , also Mawei Arsenal was one of several shipyards in China built under orders of Li Hongzhang and Zuo Zongtang, leaders of the Qing government's Self-Strengthening Movement of the mid to late 19th century...

 near Foochow (Fuzhou

Fuzhou

Fuzhou is the capital and one of the largest cities in Fujian Province, People's Republic of China. Along with the many counties of Ningde, those of Fuzhou are considered to constitute the Mindong linguistic and cultural area....

), was an ironclad Coastal battleship

Coastal defence ship

Coastal defence ships were warships built for the purpose of coastal defence, mostly during the period from 1860 to 1920. They were small, often cruiser-sized warships that sacrificed speed and range for armour and armament...

 serving with the Imperial Chinese Beiyang Fleet

Beiyang Fleet

The Beiyang Fleet was one of the four modernised Chinese navies in the late Qing Dynasty. Among the four, the Beiyang Fleet was particularly sponsored by Li Hongzhang, one of the most trusted vassals of Empress Dowager Cixi and the principal patron of the "self-strengthening movement" in northern...

 and later the Imperial Japanese Navy

Imperial Japanese Navy

The Imperial Japanese Navy was the navy of the Empire of Japan from 1869 until 1947, when it was dissolved following Japan's constitutional renunciation of the use of force as a means of settling international disputes...

. Previous transliterations of its Chinese name include Ping Yuen and Ping Yuan, also of its Japanese name Heiyen.

Beiyang Fleet

As part of the Beiyang Fleet, Pingyuan was at the Battle of the Yalu River during the First Sino-Japanese War

First Sino-Japanese War

The First Sino-Japanese War was fought between Qing Dynasty China and Meiji Japan, primarily over control of Korea...

. It was captured as a prize of war

Prize of war

A prize of war is a piece of military property seized by the victorious party after a war or battle, typically at sea. This term was used nearly exclusively in terms of a captured ship during the 18th and 19th centuries....

 by the Japanese at the Battle of Weihaiwei

Battle of Weihaiwei

The Battle of Weihaiwei was a 23 day siege with a major land and naval component during the First Sino-Japanese War. It took place between 20 January and 12 February 1895 in Weihai, Shandong Province, China) between the forces of Meiji Japan and Qing China...

.

Imperial Japanese Navy

After its capture in February 1895, by the Imperial Japanese Navy, Pingyuan was placed into active combat service as the Pingyuan-go on 16 March 1895 and served with the Japanese fleet through the remainder of the First Sino-Japanese War. On 21 March 1898, she was re-designated as a first-class gunboat

Gunboat

A gunboat is a naval watercraft designed for the express purpose of carrying one or more guns to bombard coastal targets, as opposed to those military craft designed for naval warfare, or for ferrying troops or supplies.-History:...

 and was officially renamed Heien in 1900 based on the Japanese language pronunciation of its original Chinese name.

During the Russo-Japanese War

Russo-Japanese War

The Russo-Japanese War was "the first great war of the 20th century." It grew out of rival imperial ambitions of the Russian Empire and Japanese Empire over Manchuria and Korea...

, Heien was assigned to the 3rd Squadron and was part of the blockading force against the Imperial Russian Navy

Imperial Russian Navy

The Imperial Russian Navy refers to the Tsarist fleets prior to the February Revolution.-First Romanovs:Under Tsar Mikhail Feodorovich, construction of the first three-masted ship, actually built within Russia, was completed in 1636. It was built in Balakhna by Danish shipbuilders from Holstein...

 at the Battle of Port Arthur

Battle of Port Arthur

The Battle of Port Arthur was the starting battle of the Russo-Japanese War...

. Heien was disabled by a naval mine

Naval mine

A naval mine is a self-contained explosive device placed in water to destroy surface ships or submarines. Unlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or contact with, an enemy vessel...

 at Pigeon Bay (Piegen Bay), located to the west of Port Arthur

Lüshunkou

Lüshunkou is a district in the municipality of Dalian, Liaoning province, China. Also called Lüshun City or Lüshun Port, it was formerly known as both Port Arthur and Ryojun....

 on 18 September 1904 and foundered in heavy weather later that day. It was struck from the navy list

Navy List

A Navy List or Naval Register is an official list of naval officers, their ranks and seniority, the ships which they command or to which they are appointed, etc., that is published by the government or naval authorities of a country....

on 21 May 1905.