HMS ''Dasher'' (D37) was a British

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against Fr ...

aircraft carrier An aircraft carrier is a warship that serves as a seagoing airbase, equipped with a full-length flight deck and facilities for carrying, arming, deploying, and recovering aircraft. Typically, it is the capital ship of a fleet, as it allows a ...

, of the , converted merchant vessels, and one of the shortest-lived

escort carrier The escort carrier or escort aircraft carrier (U.S. hull classification symbol CVE), also called a "jeep carrier" or "baby flattop" in the United States Navy (USN) or "Woolworth Carrier" by the Royal Navy, was a small and slow type of aircraft ...

s. She served in the

Second World War World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposi ...

and sank on 27 March 1943.

Design and description

The ''Avenger''-class escort carriers were converted U.S. Maritime Commission (USMC) type C3

American American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, pe ...

merchant ship A merchant ship, merchant vessel, trading vessel, or merchantman is a watercraft that transports cargo or carries passengers for hire. This is in contrast to pleasure craft, which are used for personal recreation, and naval ships, which are ...

s. Their design was based on the

United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...

s (AVG1). To differentiate between the two classes, the Royal Navy ships were prefixed with a 'B' (BAVG).Cocker (2008), p.78. HMS ''Dasher'' (BAVG4) was built by the

Sun Shipbuilding and Drydock Company Sun Shipbuilding & Drydock Company (1917–1989) was a major shipbuilding company in Chester, Pennsylvania on the Delaware River. Its primary product was tankers, but the company built many types of ships over its 70-year history. During World ...

Chester, Pennsylvania Chester is a city in Delaware County, Pennsylvania, United States. Located within the Philadelphia Metropolitan Area, it is the only city in Delaware County and had a population of 32,605 as of the 2020 census. Incorporated in 1682, Chester i ...

. The ship was originally named ''Rio de Janeiro'', intended for passenger/cargo service with Moore-McCormack Lines, laid down as yard hull 189, USMC hull 62 on 14 March 1940, launched on 11 April 1941. She was converted to an

escort aircraft carrier The escort carrier or escort aircraft carrier (U.S. hull classification symbol CVE), also called a "jeep carrier" or "baby flattop" in the United States Navy (USN) or "Woolworth Carrier" by the Royal Navy, was a small and slow type of aircraft ...

in the Tietjen & Lang shipyards

New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delawa ...

and commissioned into the

on 2 July 1942.Poolman (1972), p.38. ''Dasher'' had a complement of 555 men and an overall length of , a beam of and a draught of . She displaced at normal load and at

deep load The displacement or displacement tonnage of a ship is its weight. As the term indicates, it is measured indirectly, using Archimedes' principle, by first calculating the volume of water displaced by the ship, then converting that value into we ...

. Propulsion was provided by four

diesel engine The diesel engine, named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel engine is a so-cal ...

s connected to one shaft giving , which could propel the ship at .Cocker (2008), p.79. Aircraft facilities were a small combined

bridge A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually someth ...

–flight control on the

starboard Port and starboard are nautical terms for watercraft and aircraft, referring respectively to the left and right sides of the vessel, when aboard and facing the bow (front). Vessels with bilateral symmetry have left and right halves which ar ...

side and above the long wooden

flight deck The flight deck of an aircraft carrier is the surface from which its aircraft take off and land, essentially a miniature airfield at sea. On smaller naval ships which do not have aviation as a primary mission, the landing area for helicopte ...

, one aircraft lift , one

aircraft catapult An aircraft catapult is a device used to allow aircraft to take off from a very limited amount of space, such as the deck of a vessel, but can also be installed on land-based runways in rare cases. It is now most commonly used on aircraft carrier ...

and nine

arrestor wires An arresting gear, or arrestor gear, is a mechanical system used to rapidly decelerate an aircraft as it lands. Arresting gear on aircraft carriers is an essential component of naval aviation, and it is most commonly used on CATOBAR and STOBAR ...

. Aircraft could be housed in the half

hangar A hangar is a building or structure designed to hold aircraft or spacecraft. Hangars are built of metal, wood, or concrete. The word ''hangar'' comes from Middle French ''hanghart'' ("enclosure near a house"), of Germanic origin, from Frankish ...

below the flight deck.Poolman (1972), p.29. Armament comprised three single-mounted 4-inch

dual-purpose gun A dual-purpose gun is a naval artillery mounting designed to engage both surface and air targets. Description Second World War-era capital ships had four classes of artillery: the heavy main battery, intended to engage opposing battleships and ...

s, two forward and one aft, and fifteen 20 mm cannon on single or twin mounts. She had the capacity for 15 aircraft which could be a mixture of

Grumman Martlet The Grumman F4F Wildcat is an American carrier-based fighter aircraft that entered service in 1940 with the United States Navy, and the British Royal Navy where it was initially known as the Martlet. First used by the British in the North Atlant ...

Hawker Sea Hurricane The Hawker Hurricane was a British single-seat fighter aircraft designed and predominantly built by Hawker Aircraft Ltd. Some versions were built in Canada by the Canada Car and Foundry Co Ltd British variants Hurricane Mk I ; Hurricane Mk I ...

fighters Fighter(s) or The Fighter(s) may refer to: Combat and warfare * Combatant, an individual legally entitled to engage in hostilities during an international armed conflict * Fighter aircraft, a warplane designed to destroy or damage enemy warplan ...

and

Fairey Swordfish The Fairey Swordfish is a biplane torpedo bomber, designed by the Fairey Aviation Company. Originating in the early 1930s, the Swordfish, nicknamed "Stringbag", was principally operated by the Fleet Air Arm of the Royal Navy. It was also us ...

torpedo bomber A torpedo bomber is a military aircraft designed primarily to attack ships with aerial torpedoes. Torpedo bombers came into existence just before the First World War almost as soon as aircraft were built that were capable of carrying the weight ...

Service history

The Royal Navy during the Second World War A13684

The ship was transferred to the Royal Navy and commissioned into RN service as HMS ''Dasher'' (D37) on 2 July 1942. She participated in

Operation Torch Operation Torch (8 November 1942 – 16 November 1942) was an Allied invasion of French North Africa during the Second World War. Torch was a compromise operation that met the British objective of securing victory in North Africa while al ...

, with her

sister ship A sister ship is a ship of the same class or of virtually identical design to another ship. Such vessels share a nearly identical hull and superstructure layout, similar size, and roughly comparable features and equipment. They often share a ...

, carrying Sea Hurricanes of

804 Naval Air Squadron 804 Naval Air Squadron (804 NAS) was a Naval Air Squadron of the Royal Navy, formed in November 1939 from part of 769 NAS Sea Gladiators which had been detached to RNAS Hatston. The squadron was merged into 800 NAS in June 1944 and subsequently ...

. After aircraft ferry duties in the

Mediterranean The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on ...

, ''Dasher'' sailed to the

Clyde Clyde may refer to: People * Clyde (given name) * Clyde (surname) Places For townships see also Clyde Township Australia * Clyde, New South Wales * Clyde, Victoria * Clyde River, New South Wales Canada * Clyde, Alberta * Clyde, Ontario, a tow ...

in March 1943 and, having had her flight-deck lengthened by , she embarked Fairey Swordfish aircraft. She escorted one convoy successfully, but shortly after leaving with the second, ''Dasher'' suffered engine trouble and turned back. Shortly after getting to the

Firth of Clyde The Firth of Clyde is the mouth of the River Clyde. It is located on the west coast of Scotland and constitutes the deepest coastal waters in the British Isles (it is 164 metres deep at its deepest). The firth is sheltered from the Atlantic ...

on 27 March 1943, she suffered a major internal explosion and sank.

Loss

Various possible causes have been suggested, including one of her aircraft crashing onto the flight deck and igniting petrol fumes from leaking tanks. Much of what happened remains unknown. The death toll, 379 out of 528 crewmen, despite rapid response and assistance from ships and rescue craft from Brodick and

Lamlash Lamlash ( gd, An t-Eilean Àrd) is a village on the Isle of Arran, in the Firth of Clyde, Scotland. It lies south of the island's main settlement and ferry port Brodick, in a sheltered bay on the island's east coast, facing the Holy Isle. L ...

on the

Isle of Arran The Isle of Arran (; sco, Isle o Arran; gd, Eilean Arainn) or simply Arran is an island off the west coast of Scotland. It is the largest island in the Firth of Clyde and the seventh-largest Scottish island, at . Historically part of Buteshi ...

and from

Ardrossan Ardrossan (; ) is a town on the North Ayrshire coast in southwestern Scotland. The town has a population of 10,670 and forms part of a conurbation with Saltcoats and Stevenston known as the ' Three Towns'. Ardrossan is located on the east shore ...

and

Greenock Greenock (; sco, Greenock; gd, Grianaig, ) is a town and administrative centre in the Inverclyde council area in Scotland, United Kingdom and a former burgh within the historic county of Renfrewshire, located in the west central Lowland ...

on the Scottish mainland, was amongst the highest in British home waters. Many escaped from the ship but died of

hypothermia Hypothermia is defined as a body core temperature below in humans. Symptoms depend on the temperature. In mild hypothermia, there is shivering and mental confusion. In moderate hypothermia, shivering stops and confusion increases. In severe ...

or of burns suffered when escaped fuel ignited on the water. Most of the dead were buried at Ardrossan or Greenock. The British blamed the bad design of the stowage and handling, while the US blamed the disaster on poor RN petrol-handling procedures. There were merits in both arguments, but thereafter the stowage on her British-operated sister ships was reduced from down to , and the USN reduced theirs also but not as drastically. The government of the time, eager to avoid damage to morale and anxious to avoid any suggestion of faulty US construction, tried to cover up the sinking. The local media were ordered to make no reference to the tragedy. There were rumours that the authorities ordered the dead to be buried in an

unmarked In linguistics and social sciences, markedness is the state of standing out as nontypical or divergent as opposed to regular or common. In a marked–unmarked relation, one term of an opposition is the broader, dominant one. The dominant defau ...

mass grave A mass grave is a grave containing multiple human corpses, which may or may not be identified prior to burial. The United Nations has defined a criminal mass grave as a burial site containing three or more victims of execution, although an exact ...

, but none had been found , and the Royal Navy said that a mass unmarked grave would have been against

Admiralty Admiralty most often refers to: *Admiralty, Hong Kong *Admiralty (United Kingdom), military department in command of the Royal Navy from 1707 to 1964 *The rank of admiral *Admiralty law Admiralty can also refer to: Buildings * Admiralty, Traf ...

policy and that all sources relating to the sinking of HMS ''Dasher'' are in the public domain. A witness said in 2021 that survivors had told her that there was a mortuary where they were taken to identify about fifty bodies laid out, "just dumped". People living nearby saw the bodies over a high wall, "then they all disappeared". Furious relatives protested and some of the dead were returned to their families for burial. The survivors were ordered not to talk about what happened. This policy subsequently attracted much criticism. There was a short announcement of the sinking in ''

The Times ''The Times'' is a British daily national newspaper based in London. It began in 1785 under the title ''The Daily Universal Register'', adopting its current name on 1 January 1788. ''The Times'' and its sister paper '' The Sunday Times'' ( ...

'' in 1945, then nothing more was said officially for 70 years. There are now memorials to those lost at both Ardrossan and Brodick. The wreck site lies approximately halfway on the

Caledonian MacBrayne Caledonian MacBrayne ( gd, Caledonian Mac a' Bhriuthainn), usually shortened to CalMac, is the major operator of passenger and vehicle ferries, and ferry services, between the mainland of Scotland and 22 of the major islands on Scotland's west ...

ferry route between Ardrossan and Brodick and is a controlled site under the Protection of Military Remains Act.

Teak Teak (''Tectona grandis'') is a tropical hardwood tree species in the family Lamiaceae. It is a large, deciduous tree that occurs in mixed hardwood forests. ''Tectona grandis'' has small, fragrant white flowers arranged in dense clusters ( pan ...

boards from the flight deck of ''Dasher'' washed up on the beach at Ardrossan in 1999. They were riddled with tubes made by burrowing teredo worms. A section of this wood featured in the "Flotsam and Jetsam" exhibition in the

Millennium Dome The Millennium Dome was the original name of the large dome-shaped building on the Greenwich Peninsula in South East London, England, which housed a major exhibition celebrating the beginning of the third millennium. As of 2022, it is the ni ...

and another piece is held by the North Ayrshire Heritage Centre in

Saltcoats Saltcoats ( gd, Baile an t-Salainn) is a town on the west coast of North Ayrshire, Scotland. The name is derived from the town's earliest industry when salt was harvested from the sea water of the Firth of Clyde, carried out in small cottages al ...

. There has been speculation that one corpse from the sinking was used during the British deception

Operation Mincemeat Operation Mincemeat was a successful British deception operation of the Second World War to disguise the 1943 Allied invasion of Sicily. Two members of British intelligence obtained the body of Glyndwr Michael, a tramp who died from eating ...

(" The Man Who Never Was"). The case is argued by authors John and Noreen Steele in their 2002 book ''The Secrets of HMS "Dasher”'’ ''- however, this theory was disproved in 2010.'' An archaeological dig was undertaken in October 2012 to ascertain whether there was a mass grave within Ardrossan Cemetery containing bodies from ''Dasher''. No evidence was found that the ground in the area searched had been disturbed.

References

Sources

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External links