A river gunboat is a type of gunboat adapted for river operations. River gunboats required shallow draft for river navigation. They would be armed with relatively small caliber cannons, or a mix of cannons and machine guns. If they carried more than one cannon, one might be a howitzer, for shore bombardment. They were usually not armoured. The fictional USS San Pablo described in Richard McKenna's The Sand Pebbles is an example of this class of vessel, serving on the US Navy'sYangtze Patrol. Stronger river warships with larger guns were river monitors.
Imperial German Navy river gunboat SMS Otter c. 1909 during trials on the Weser
Various European powers, the USA, and Japan, maintained flotillas of these shallow draft gunboats patrolling Chinese rivers. These gunboats were enforcing those nations' treaty rights under the treaties that China had started to sign following her defeat during the first Opium War with Britain. The advantages of steam power and shallow drafts meant that the new European vessels initially vastly outclassed anything available to the Chinese.
Foreign powers had received concessions from China, like extraterritoriality for their citizens in China, and the gunboats policed these rights.
Royal Navy (RN) gunboats, numbering on average 15 a year in Chinese waters, served as "station ships", assigned to specific ports, and were designed for river functions. The RN maintained patrols and escorts up and down the Yangtze based in Shanghai until the end of the International Concessions in 1941. These boats were part of the Navy's China Station and vessels of various classes were deployed and often moved to and from other major world rivers. The Navy had built a large number of gunboats for the Crimean war in the 1850s and several of these found their way to the China Station afterwards. As these boats were scrapped, they were replaced by a new type of boat which was purpose built for inshore and river service around the world, the Beacon- and later Frolic-class boats.
The purpose built river vessels of the Insect and Fly classes which had seen service in the Mesopotamian Campaign in the Middle East and on the Danube during the First World War were deployed to China during the interbellum and took part in events of the period of the Japanese invasion of China and the beginning of the Pacific theatre of the Second World War. Ladybird and Bee were involved in the USS Panay incident. The Insects were supplemented in 1937 by the Dragonfly-class boats, three of which, Dragonfly, Grasshopper and Scorpion were involved in the fighting down the Malay Peninsula and Singapore.
United States
U.S. Navy craft were of varying age, design, size, and utility. The earliest craft made brief excursions upriver between 1861 and 1901 but were rarely assigned on permanent patrol. In 1901 two large gunboats, USS Helena (1290 tons and crew of 170) and Wilmington (1570 tons and 212), were assigned to the Asiatic Squadron's "Second Division" as permanent river patrol, although too large to patrol deep inland, until 1932 and 1923 respectively. In 1903 converted gunboats of the Spanish Navy captured in 1898, began patrols designed to take them further upriver toward Chongqing. USS Elcano, a 620-ton craft with a crew of 103, and USS Villalobos, a 350-ton ship with 50 men, served until 1928, when they were decommissioned and sunk. USS Callao (240 tons) and Quiros (sister ship to Villalobos) served until 1916 and 1923.
In 1914 two 204-ton, 50-man patrol craft of British design and built at Mare Island Naval Shipyard were disassembled, shipped to China, and reassembled in Shanghai. USS Palos patrolled until 1934, when she became the station boat at Chongqing, and Monocacy until 1939. The Yangtze Patrol was formally established in 1922 as a component of the Asiatic Fleet. Six new craft were designed and built in 1928 in Shanghai, of three differing sizes. USS Guam and Tutuilla, 380 tons and a crew of 60, were able to ply the entire river year-round. USS Panay and Oahu, 450 tons and a complement of 65; and Luzon, 560 tons and 82 men, were "May–September" gunboats, able to patrol completely upriver only during high water months. (Luzon's sister ship, USS Mindanao served on the China coast but not in the river patrol.) Except for Panay, sunk by Japanese aircraft in December 1937, the newer ships served in China until late 1941.
A monitor is a relatively small warship that is neither fast or strongly armored but carries disproportionately large guns. They were used by some navies from the 1860s, during the First World War and with limited use in the Second World War.
A warship or combatant ship is a naval ship that is built and primarily intended for naval warfare. Usually they belong to the armed forces of a state. As well as being armed, warships are designed to withstand damage and are typically faster and more maneuverable than merchant ships. Unlike a merchant ship, which carries cargo, a warship typically carries only weapons, ammunition and supplies for its crew. Warships usually belong to a navy, though they have also been operated by individuals, cooperatives and corporations.
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.
The USS Panay incident on December 12, 1937, was a Japanese bombing attack on the U.S. Navy river gunboat Panay and three Standard Oil Company tankers on the Yangtze River. Japan and the United States were not at war at the time. The boats were part of the American naval operation called the Yangtze Patrol, which began following the joint British, French, and American victory in The Second Opium War. Public reaction was mixed in the U.S., with the president weighing various diplomatic and military responses only to settle for an apology and compensation. The Japanese claimed that they did not see the U.S. flags painted on the deck of the gunboat. Tokyo officially apologized and paid a cash indemnity. The settlement mollified some of the U.S. anger, and newspapers called the matter closed.
USS Wake (PR-3) was a United States Navy river gunboat operating on the Yangtze River. Originally commissioned as the gunboat Guam (PG-43), she was redesignated river patrol vessel PR-3 in 1928, and renamed Wake 23 January 1941. She was captured by Japan on 8 December 1941 and renamed Tatara. After her recapture in 1945, she was transferred to Chinese nationalists, who renamed her Tai Yuan. Communist forces captured her in 1949. On 1 May, 1949 Tai Yuan was sunk by Nationalist aircraft in the Caishiji River.
The term 'brown-water navy' or 'riverine navy' refers in its broadest sense to any naval force capable of military operations in littoral zone waters. The term originated in the United States Navy during the American Civil War, when it referred to Union forces patrolling the muddy Mississippi River, and has since been used to describe the small gunboats and patrol boats commonly used in rivers, along with the larger "mother ships" that supported them. These mother ships include converted World War II-era mechanized landing craft and tank landing ships, among other vessels.
Three vessels of the United States Navy have been named USS Panay, after the Visayan Island Panay.
The second USS Panay (PR–5) of the United States Navy was a Panay-class river gunboat that served on the Yangtze Patrol in China until being sunk by Japanese aircraft on 12 December 1937 on the Yangtze River.
The Yangtze Patrol, also known as the Yangtze River Patrol Force, Yangtze River Patrol, YangPat and ComYangPat, was a prolonged naval operation from 1854–1949 to protect American interests in the Yangtze River's treaty ports. The Yangtze Patrol also patrolled the coastal waters of China where they protected U.S. citizens, their property, and Christian missionaries.
USS Stewart (DD-224) was a Clemson-class destroyer in the United States Navy during World War II. She was the second ship named for Rear Admiral Charles Stewart. Scuttled in port at Surabaya, Java, she was later raised by the Japanese and commissioned as Patrol Boat No. 102. She came back under American control in 1945 after the occupation of Japan.
USS Tutuila (PR-4) was a gunboat in the service of the United States Navy from 1928, until her transfer to China, under lend-lease in 1942.
The Insect-class gunboats were a class of small but well-armed Royal Navy ships designed for use in shallow rivers or inshore. They were intended for use on the Danube against Austria-Hungary. The first four ships—Gnat, Mantis, Moth and Tarantula—were first employed during the Mesopotamian Campaign of the First World War on the Euphrates and Tigris rivers.
USS Finch (AM-9) was a Lapwing-class minesweeper acquired by the U.S. Navy for the dangerous task of removing mines from minefields laid in the water to prevent ships from passing. Finch was named for the finch, and is strictly speaking the only U.S. vessel named for such.
The second USS Palos (PG-16), a shallow draft gunboat built for service on the Yangtze River, China, was pre-constructed at Mare Island Navy Yard in 1912; dismantled and shipped to Shanghai, China: laid down by the Shanghai Dock and Engineering Co., on 28 April 1913; launched on 23 April 1914; sponsored by Mrs. Lee S. Border, wife of Naval Constructor Border who supervised the gunboat's construction ; and commissioned on 24 June 1914.
USS Monocacy was one of two shallow draft gunboats designed for service on the upper Yangtze River over 900 miles (1,400 km) inland. It was pre-constructed at Mare Island Navy Yard in 1912 and then dismantled and shipped to Shanghai, China. She was laid down by the Shanghai Dock & Engineering Co. 28 April 1913. One year later, or 27 April 1914 she was launched, sponsored by Mrs. Andrew E. Carter, and commissioned 24 June 1914.
The first USS Oahu (PR-6), a Yangtze River gunboat, was laid down by Kiangnan Dock and Engineering Works, Shanghai, China, 18 December 1926; launched as PG–46 on 26 November 1927; sponsored by Mrs. Bryson Bruce, wife of Comdr. Bruce; and commissioned 22 October 1928, Lt. Comdr. A. C. Thomas in command.
USS Elcano (PG-38) was a gunboat that the United States Navy captured from the Spanish Navy during the Spanish–American War. She was officially commissioned in the U.S. Navy in 1902. She served for many years in the Yangtze Patrol where she saw action against pirates and warlords. She served until decommissioning in 1928, when she was sunk for target practice.
The first USS Mindanao (PR‑8) was a river gunboat in the service of the United States Navy before and during World War II.
USS Samar (PG-41) was a gunboat of the United States Navy. She was initially built for the Spanish Navy, but was captured during the Spanish–American War and taken into service with the US Navy. Samar had two sister-ships which also served in the US Navy, USS Pampanga(PG-39) and USS Paragua.
USS Villalobos (PG-42) was a steel screw gunboat originally built for the Spanish Navy as Villalobos but captured by the United States Army in 1898 during the Spanish–American War and commissioned into the United States Navy in 1900. The ship spent almost all of her life as an American gunboat in the Yangtze Patrol on the Yangtze River.
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