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HMS Duchess (H64)
Encyclopedia
HMS Duchess was a D-class
C and D class destroyer
The C and D class was a group of 14 destroyers built for the Royal Navy in the early 1930s. As in previous years, it was originally intended to order a complete flotilla comprising eight destroyers—plus a flotilla leader as the ninth unit—in each year. However, only four ships—plus a leader—were...
destroyer
Destroyer
In naval terminology, a destroyer is a fast and maneuverable yet long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against smaller, powerful, short-range attackers. Destroyers, originally called torpedo-boat destroyers in 1892, evolved from...
built for the Royal Navy
Royal Navy
The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...
in the early 1930s. The ship was initially assigned to the Mediterranean Fleet
Mediterranean Fleet
Several countries have or have had a Mediterranean Fleet in their navy. See:* Mediterranean Fleet * French Mediterranean Fleet* Mediterranean Squadron * United States Sixth Fleet...
before she was transferred to the China Station
China Station
The China Station was a historical formation of the British Royal Navy. It was formally the units and establishments responsible to the Commander-in-Chief, China....
in early 1935. She was temporarily deployed in the Red Sea
Red Sea
The Red Sea is a seawater inlet of the Indian Ocean, lying between Africa and Asia. The connection to the ocean is in the south through the Bab el Mandeb strait and the Gulf of Aden. In the north, there is the Sinai Peninsula, the Gulf of Aqaba, and the Gulf of Suez...
during late 1935 during the Abyssinia Crisis
Abyssinia Crisis
The Abyssinia Crisis was a diplomatic crisis during the interwar period originating in the "Walwal incident." This incident resulted from the ongoing conflict between the Kingdom of Italy and the Empire of Ethiopia...
, before returning to her duty station where she remained until mid-1939. Duchess was transferred back to the Mediterranean Fleet just before the Second World War began in September 1939. Whilst escorting the battleship
Battleship
A battleship is a large armored warship with a main battery consisting of heavy caliber guns. Battleships were larger, better armed and armored than cruisers and destroyers. As the largest armed ships in a fleet, battleships were used to attain command of the sea and represented the apex of a...
back to the British Isles, she was rammed by the battleship in thick fog and sank with heavy loss of life on 10 December 1939.
Description
Duchess displaced 1375 long tons (1,397.1 t) at standardDisplacement (ship)
A ship's displacement is its weight at any given time, generally expressed in metric tons or long tons. The term is often used to mean the ship's weight when it is loaded to its maximum capacity. A number of synonymous terms exist for this maximum weight, such as loaded displacement, full load...
load and 1890 long tons (1,920.3 t) at deep load. The ship had an overall length of 329 feet (100.3 m), a beam
Beam (nautical)
The beam of a ship is its width at the widest point. Generally speaking, the wider the beam of a ship , the more initial stability it has, at expense of reserve stability in the event of a capsize, where more energy is required to right the vessel from its inverted position...
of 33 feet (10.1 m) and a draught
Draft (hull)
The draft of a ship's hull is the vertical distance between the waterline and the bottom of the hull , with the thickness of the hull included; in the case of not being included the draft outline would be obtained...
of 12 in 6 in (3.81 m). She was powered by Parsons
Parsons Marine Steam Turbine Company
Parsons Marine Steam Turbine Company was a British engineering company based in Wallsend, North England, on the River Tyne.-History:The company was founded by Charles Algernon Parsons in 1897 with £500,000 of capital, and specialised in building the steam turbine engines that he had invented for...
geared steam turbine
Steam turbine
A steam turbine is a mechanical device that extracts thermal energy from pressurized steam, and converts it into rotary motion. Its modern manifestation was invented by Sir Charles Parsons in 1884....
s, driving two shafts, which developed a total of 36000 shp and gave a maximum speed of 36 knots (19.6 m/s). Steam for the turbines was provided by three Admiralty 3-drum water-tube boiler
Water-tube boiler
A water tube boiler is a type of boiler in which water circulates in tubes heated externally by the fire. Fuel is burned inside the furnace, creating hot gas which heats water in the steam-generating tubes...
s. Duchess carried a maximum of 473 long tons (480.6 t) of fuel oil
Fuel oil
Fuel oil is a fraction obtained from petroleum distillation, either as a distillate or a residue. Broadly speaking, fuel oil is any liquid petroleum product that is burned in a furnace or boiler for the generation of heat or used in an engine for the generation of power, except oils having a flash...
that gave her a range of 5870 nautical miles (10,871.2 km) at 15 knots (8.2 m/s). The ship's complement was 145 officers and men.
The ship mounted four 45-calibre
Caliber (artillery)
In artillery, caliber or calibredifference in British English and American English spelling is the internal diameter of a gun barrel, or by extension a relative measure of the length....
QF 4.7-inch Mk IX guns
4.7 inch QF Mark XII
The 4.7 inch QF Mark IX and Mark XII were 120-mm 45-calibre naval guns which armed the majority of Royal Navy and Commonwealth destroyers in World War II, and were exported to many countries after World War II as the destroyers they were mounted on were sold off.-Description and history:These guns...
in single mounts. For anti-aircraft
Anti-aircraft warfare
NATO defines air defence as "all measures designed to nullify or reduce the effectiveness of hostile air action." They include ground and air based weapon systems, associated sensor systems, command and control arrangements and passive measures. It may be to protect naval, ground and air forces...
(AA) defence, Duchess had a single 12-pounder (3-inch (76.2 mm)) gun and two quadruple Mk I mounts for the 0.5-inch Vickers Mk III
Vickers .50 machine gun
The Vickers .50 machine gun, also known as the 'Vickers .50' was basically the same as the Vickers machine gun but scaled up to use a larger calibre round.-Mark II, IV and V:...
machine gun
Machine gun
A machine gun is a fully automatic mounted or portable firearm, usually designed to fire rounds in quick succession from an ammunition belt or large-capacity magazine, typically at a rate of several hundred rounds per minute....
. She was fitted with two above-water quadruple torpedo tube
Torpedo tube
A torpedo tube is a device for launching torpedoes. There are two main types of torpedo tube: underwater tubes fitted to submarines and some surface ships, and deck-mounted units installed aboard surface vessels...
mounts for 21 inches (53 cm)
British 21 inch torpedo
There have been several British 21-inch diameter torpedoes used by the Royal Navy since their first development just before the First World War.They were the largest size of torpedo in common use in the RN...
torpedoes. One depth charge
Depth charge
A depth charge is an anti-submarine warfare weapon intended to destroy or cripple a target submarine by the shock of exploding near it. Most use explosives and a fuze set to go off at a preselected depth in the ocean. Depth charges can be dropped by either surface ships, patrol aircraft, or from...
rail and two throwers were fitted; 20 depth charges were originally carried, but this increased to 35 shortly after the war began.
Service
Duchess was ordered on 2 February 1931 under the 1930 Naval Estimates and was laid down at the yards of the Palmers Shipbuilding and Iron CompanyPalmers Shipbuilding and Iron Company
Palmers Shipbuilding and Iron Company Limited, often referred to simply as Palmers, was a British shipbuilding company. The Company was based in Jarrow, in Northeast England and also had operations in Hebburn and Willington Quay on the River Tyne....
, Jarrow
Jarrow
Jarrow is a town in Tyne and Wear, England, located on the River Tyne, with a population of 27,526. From the middle of the 19th century until 1935, Jarrow was a centre for shipbuilding, and was the starting point of the Jarrow March against unemployment in 1936.-Foundation:The Angles re-occupied...
on 12 June 1931. She was launched on 19 July 1932 and commissioned on 24 January 1933, at a total cost of £229,367, excluding equipment supplied by the Admiralty
Admiralty
The Admiralty was formerly the authority in the Kingdom of England, and later in the United Kingdom, responsible for the command of the Royal Navy...
, such as weapons, ammunition and wireless equipment. The ship was initially assigned to the 1st Destroyer Flotilla in the Mediterranean and made a brief deployment to the Persian Gulf
Persian Gulf
The Persian Gulf, in Southwest Asia, is an extension of the Indian Ocean located between Iran and the Arabian Peninsula.The Persian Gulf was the focus of the 1980–1988 Iran-Iraq War, in which each side attacked the other's oil tankers...
and Red Sea
Red Sea
The Red Sea is a seawater inlet of the Indian Ocean, lying between Africa and Asia. The connection to the ocean is in the south through the Bab el Mandeb strait and the Gulf of Aden. In the north, there is the Sinai Peninsula, the Gulf of Aqaba, and the Gulf of Suez...
in September–November 1933. Upon her return, her superheater
Superheater
A superheater is a device used to convert saturated steam or wet steam into dry steam used for power generation or processes. There are three types of superheaters namely: radiant, convection, and separately fired...
s were repaired at Malta
Malta
Malta , officially known as the Republic of Malta , is a Southern European country consisting of an archipelago situated in the centre of the Mediterranean, south of Sicily, east of Tunisia and north of Libya, with Gibraltar to the west and Alexandria to the east.Malta covers just over in...
between 18 December and 6 January 1934. She was given a refit at Chatham Dockyard
Chatham Dockyard
Chatham Dockyard, located on the River Medway and of which two-thirds is in Gillingham and one third in Chatham, Kent, England, came into existence at the time when, following the Reformation, relations with the Catholic countries of Europe had worsened, leading to a requirement for additional...
from 3 September to 23 October to prepare the ship for service on the China Station.
Duchess arrived in Hong Kong
Hong Kong
Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...
in January 1935 where she joined the 8th Destroyer Flotilla. The ship was attached to the Mediterranean Fleet in the Red Sea from September to November during the Abyssinian Crisis. She made a number of good-will visits during her time on the station as well as conducted anti-piracy patrols. During a typhoon at Hong Kong on 2 September 1937, a merchant ship crushed Duchesss stern when it dragged its anchor
Anchor
An anchor is a device, normally made of metal, that is used to connect a vessel to the bed of a body of water to prevent the vessel from drifting due to wind or current. The word derives from Latin ancora, which itself comes from the Greek ἄγκυρα .Anchors can either be temporary or permanent...
s. Her repairs were not completed until 14 October.
The ship remained on the station until late August 1939, when the imminent start of the Second World War caused the Admiralty to order her to take up her war station with the Mediterranean Fleet at Malta. Duchess arrived there on 12 October and remained in the Mediterranean for the next two months. In December the ship, along with her sisters
Sister ship
A sister ship is a ship of the same class as, or of virtually identical design to, another ship. Such vessels share a near-identical hull and superstructure layout, similar displacement, and roughly comparable features and equipment...
and , was assigned to escort the battleship HMS Barham back to the UK, and they departed Gibraltar
Gibraltar
Gibraltar is a British overseas territory located on the southern end of the Iberian Peninsula at the entrance of the Mediterranean. A peninsula with an area of , it has a northern border with Andalusia, Spain. The Rock of Gibraltar is the major landmark of the region...
on 6 December. During the morning of 10 December, Barham collided with Duchess off the Mull of Kintyre
Mull of Kintyre
The Mull of Kintyre is the southwesternmost tip of the Kintyre Peninsula in southwest Scotland. From here, the Antrim coast is visible and an historic lighthouse, the second commissioned in Scotland, guides shipping in the intervening North Channel...
in heavy fog. The destroyer capsized and blew up, killing 124 of her crew.