HMS Harvester was an H-class

G and H class destroyer

The G- and H-class destroyers were a class of twenty-four destroyers of the Royal Navy launched in 1935–1939. They served in World War II and sixteen were lost, with a seventeenth being written off as a constructive total loss...

 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...

 originally ordered by the Brazilian Navy

Brazilian Navy

The Brazilian Navy is a branch of the Brazilian Armed Forces responsible for conducting naval operations. It is the largest navy in Latin America...

 with the name Jurua in the late 1930s, but was bought by 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...

 after the beginning of World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 in September 1939. Almost immediately after commissioning

Ship commissioning

Ship commissioning is the act or ceremony of placing a ship in active service, and may be regarded as a particular application of the general concepts and practices of project commissioning. The term is most commonly applied to the placing of a warship in active duty with its country's military...

, in May 1940, the ship began evacuating Allied troops from Dunkirk and other locations in France. Afterwards she was assigned to the Western Approaches Command

Western Approaches Command

Commander-in-Chief, Western Approaches was the commander of a major operational command of the Royal Navy during World War II. The admiral commanding, and his forces, sometimes informally known as 'Western Approaches Command,' were responsible for the safety of British shipping in the Western...

 for convoy escort duties. Harvester and another destroyer sank a German submarine in October. She was briefly assigned to Force H

Force H

Force H was a British naval formation during the Second World War. It was formed in 1940 to replace French naval power in the western Mediterranean that had been removed by the French armistice with Nazi Germany....

 in 1941, but her anti-aircraft armament was deemed too weak and she was transferred to the Newfoundland Escort Force

Newfoundland Escort Force

The Newfoundland Escort Force was an Allied formation of escort ships during the Battle of the Atlantic. Created in 1941, the force consisted of ships from the Royal Navy, Royal Canadian Navy and United States Navy under the command of Commodore Leonard W. Murray .In June 1941, the British decided...

 the next month for escort duties in the North Atlantic. The ship was returned to the Western Approaches Command in October 1941 and was converted to an escort destroyer

Escort destroyer

A Escort Destroyer is a US Navy post World War II classification for destroyers modified for and assigned to a fleet escort role. These destroyers retained their original hull numbers...

 in early 1942. Harvester was torpedoed and sunk in March 1943 by a German submarine after having rammed and sunk another submarine the previous day while escorting Convoy HX 228

Convoy HX 228

HX 228 was a North Atlantic convoy of the HX series which ran during the battle of the Atlantic in World War II. It was one of 4 convoy battles that occurred during the crisis month of March 1943 and is notable for seeing the loss of the Escort Group leader Cdr AA "Harry" Tait.-Prelude:HX 228 was...

.

Description

Harvester displaced 1350 long tons (1,371.7 t) at standard

Displacement (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 1883 long tons (1,913.2 t) at deep load. The ship had an overall length of 323 feet (98.5 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 5 in (3.78 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 34000 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. Harvester carried a maximum of 470 long tons (477.5 t) of fuel oil, giving her a range of 5530 nautical miles (10,241.6 km) at 15 knots (8.2 m/s). The ship's complement was 152 officers and men.

The vessel was designed for 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....

 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, designated 'A', 'B', 'X', and 'Y' from front to rear, but 'Y' gun was removed to compensate for the additional depth charges added. 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, Harvester had two quadruple Mark I mounts for the 0.5 inch Vickers Mark 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 originally fitted, but this was increased to three sets of rails and eight throwers while fitting-out

Fitting-out

Fitting-out, or "outfitting”, is the process in modern shipbuilding that follows the float-out of a vessel and precedes sea trials. It is the period when all the remaining construction of the ship is completed and readied for delivery to her owners...

. The ship's load of depth charges was increased from 20 to 110 as well.

Wartime modifications

Harvester had her rear torpedo tubes replaced by a 12-pounder

QF 12 pounder 12 cwt naval gun

The QF 12 pounder 12 cwt gun was a common calibre naval gun introduced in 1894 and used until the middle of the 20th century. It was produced by Armstrong Whitworth, Elswick and used on Royal Navy warships, and exported to allied countries...

 AA gun after the evacuation of Dunkirk in 1940, but it is not known exactly when this modification was made. During her 1942 conversion to an escort destroyer, the ship's short-range AA armament had been augmented by two Oerlikon 20 mm

Oerlikon 20 mm cannon

The Oerlikon 20 mm cannon is a series of autocannons, based on an original design by Reinhold Becker of Germany, very early in World War I, and widely produced by Oerlikon Contraves and others...

 guns on the wings of the ship's bridge. The .50-calibre machine gun mounts were replaced by a pair of Oerlikons later. 'A' gun was replaced by a Hedgehog

Hedgehog (weapon)

The Hedgehog was an anti-submarine weapon developed by the Royal Navy during World War II, that was deployed on convoy escort warships such as destroyers to supplement the depth charge. The weapon worked by firing a number of small spigot mortar bombs from spiked fittings...

 anti-submarine spigot mortar. The ship's director-control tower and rangefinder

Rangefinder

A rangefinder is a device that measures distance from the observer to a target, for the purposes of surveying, determining focus in photography, or accurately aiming a weapon. Some devices use active methods to measure ; others measure distance using trigonometry...

 above the bridge were removed in exchange for a Type 271 target indication radar. A Type 286 short-range surface search radar was probably also fitted mid-way through the war. The ship also received a HF/DF radio direction finder

Radio direction finder

A radio direction finder is a device for finding the direction to a radio source. Due to low frequency propagation characteristic to travel very long distances and "over the horizon", it makes a particularly good navigation system for ships, small boats, and aircraft that might be some distance...

 mounted on a pole mainmast.

Service

Jurua was ordered by Brazil on 6 December 1937 from Vickers-Armstrongs, Barrow-in-Furness

Barrow-in-Furness

Barrow-in-Furness is an industrial town and seaport which forms about half the territory of the wider Borough of Barrow-in-Furness in the county of Cumbria, England. It lies north of Liverpool, northwest of Manchester and southwest from the county town of Carlisle...

. The ship was laid down

Keel

In boats and ships, keel can refer to either of two parts: a structural element, or a hydrodynamic element. These parts overlap. As the laying down of the keel is the initial step in construction of a ship, in British and American shipbuilding traditions the construction is dated from this event...

 on 3 June 1938 and she was purchased by the British on 5 September and renamed HMS Handy. The ship was launched

Ship naming and launching

The ceremonies involved in naming and launching naval ships are based in traditions thousands of years old.-Methods of launch:There are three principal methods of conveying a new ship from building site to water, only two of which are called "launching." The oldest, most familiar, and most widely...

 on 29 September 1939 and renamed Harvester in January 1940 as her original name was thought too liable to be confused with . Harvester was commissioned on 23 May and briefly worked up at Portland Harbour

Portland Harbour

Portland Harbour is located beside the Isle of Portland, off Dorset, on the south coast of England. It is one of the largest man-made harbours in the world. Grid reference: .-History:...

 before she was assigned to the 9th Destroyer Flotilla.

The ship joined the Dunkirk evacuation on 29 May and returned 272 men to Dover during the day. However, the situation at Dunkirk soon became too dangerous to risk the larger and more modern destroyers, so Harvester made no attempt to evacuate any troops during daylight hours on 30 May. This decision was rescinded during the day on 30 May and the ship sailed for Dunkirk on the night of 30/31 May. En route she was narrowly missed by two torpedoes, but she rescued 1341 men in two trips on 31 May and an additional 576 on 1 June. Harvester was lightly damaged by strafing

Strafing

Strafing is the practice of attacking ground targets from low-flying aircraft using aircraft-mounted automatic weapons. This means, that although ground attack using automatic weapons fire is very often accompanied with bombing or rocket fire, the term "strafing" does not specifically include the...

 German aircraft that same day and required repairs that were made at Chatham

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...

. On 9 June the ship was ordered to Le Havre

Le Havre

Le Havre is a city in the Seine-Maritime department of the Haute-Normandie region in France. It is situated in north-western France, on the right bank of the mouth of the river Seine on the English Channel. Le Havre is the most populous commune in the Haute-Normandie region, although the total...

, France, to evacuate British troops, but none were to be found. She loaded 78 men at Saint-Valery-en-Caux

Saint-Valery-en-Caux

Saint-Valery-en-Caux is a commune in the Seine-Maritime department in the Haute-Normandie region in northern France.-Geography:A small fishing port and light industrial town situated in the Pays de Caux, some west of Dieppe at the junction of the D53, D20, D79 and the D925 roads...

 on 11 June. Later in the month she escorted ships evacuating refugees and troops from Saint-Nazaire

Saint-Nazaire

Saint-Nazaire , is a commune in the Loire-Atlantique department in western France.The town has a major harbour, on the right bank of the Loire River estuary, near the Atlantic Ocean. The town is at the south of the second-largest swamp in France, called "la Brière"...

 and St. Jean de Luz (Operation Ariel

Operation Ariel

Operation Ariel was the name given to the World War II evacuation of Allied forces from ports in western France, from 15–25 June 1940, due to the military collapse in the Battle of France against Nazi Germany...

).

From July to September, Harvester was assigned to convoy escort duties with the Western Approaches Command

Western Approaches Command

Commander-in-Chief, Western Approaches was the commander of a major operational command of the Royal Navy during World War II. The admiral commanding, and his forces, sometimes informally known as 'Western Approaches Command,' were responsible for the safety of British shipping in the Western...

 and she rescued 90 survivors from the armed merchant cruiser Dunvegan Castle in late August. The ship, together with five other destroyers of the 9th Flotilla, was assigned to Plymouth Command for anti-invasion duties between 8 and 18 September before returning to her role as an escort vessel. On 30 October, with help from her sister

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...

 , she sank the . Harvester rescued 19 survivors from on 5 December and 131 survivors from the Armed Boarding Vessel

Armed boarding steamer

An armed boarding steamer was a type of warship used by the United Kingdom during World War I. Usually converted merchantmen, AB steamers or AB vessels were specifically designed for boarding an enemy vessel.-Vessels:*HMS Perth*HMS Suva...

 Crispin on 3 February 1941. She rescued four survivors from a Royal Air Force

Royal Air Force

The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

 Armstrong Whitworth Whitley

Armstrong Whitworth Whitley

The Armstrong Whitworth A.W.38 Whitley was one of three British twin-engine, front line medium bomber types in service with the Royal Air Force at the outbreak of the Second World War...

 bomber four days later.

The ship was refitted at Barrow between 18 March and 18 April and then was assigned to Force H

Force H

Force H was a British naval formation during the Second World War. It was formed in 1940 to replace French naval power in the western Mediterranean that had been removed by the French armistice with Nazi Germany....

 in Gibraltar where she escorted ships during Operations Tiger and Splice in May. Harvester was transferred to the Newfoundland Escort Force

Newfoundland Escort Force

The Newfoundland Escort Force was an Allied formation of escort ships during the Battle of the Atlantic. Created in 1941, the force consisted of ships from the Royal Navy, Royal Canadian Navy and United States Navy under the command of Commodore Leonard W. Murray .In June 1941, the British decided...

 in June as her anti-aircraft capability was believed by Admiral James Somerville

James Somerville

Admiral of the Fleet Sir James Fownes Somerville GCB, GBE, DSO was one of the most famous British Admirals of World War II.-Early career:...

 to be too weak. She was assigned to the 14th Escort Group

Escort Group (naval)

Escort Groups for convoy protection were a British development in the war at sea during World War II. They were a tactical innovation by the Royal Navy in anti-submarine warfare, to combat the threat of the German Navy's "wolfpack" tactics....

 upon her arrival at St. John's

St. John's, Newfoundland and Labrador

St. John's is the capital and largest city in Newfoundland and Labrador, and is the oldest English-founded city in North America. It is located on the eastern tip of the Avalon Peninsula on the island of Newfoundland. With a population of 192,326 as of July 1, 2010, the St...

 on 1 July. The ship was transferred back to the Western Approaches Command three months later and assigned to the 9th Escort Group. Harvester was converted to an escort destroyer during a lengthy refit at Dundee

Dundee

Dundee is the fourth-largest city in Scotland and the 39th most populous settlement in the United Kingdom. It lies within the eastern central Lowlands on the north bank of the Firth of Tay, which feeds into the North Sea...

, Scotland, from 30 January 1942 to 16 April. She conducted sea trial

Sea trial

A sea trial is the testing phase of a watercraft . It is also referred to as a "shakedown cruise" by many naval personnel. It is usually the last phase of construction and takes place on open water, and can last from a few hours to many days.Sea trials are conducted to measure a vessel’s...

s of her Type 271 radar during May and then resumed her escort duties in the North Atlantic.

The ship was refitted at Liverpool

Liverpool

Liverpool is a city and metropolitan borough of Merseyside, England, along the eastern side of the Mersey Estuary. It was founded as a borough in 1207 and was granted city status in 1880...

 between 12 December and 11 February 1943. Whilst defending Convoy HX 228 on 3 March, Harvester forced to the surface and then rammed

Ramming

In warfare, ramming is a technique that was used in air, sea and land combat. The term originated from battering ram, a siege weapon used to bring down fortifications by hitting it with the force of the ram's momentum...

it. She was badly damaged by the ramming, but she rescued five survivors after the submarine sank. The next day, Harvester was torpedoed by and broke in half. Nine officers and 136 ratings were lost, but the rammed and sank U-432 herself and then rescued Harvesters few survivors.