Landing craft tank
![](http://upload.wikimedia.org/wikipedia/commons/thumb/d/d3/IWM-H-19057-Crusader-landing-19420426.jpg/350px-IWM-H-19057-Crusader-landing-19420426.jpg)
The Landing Craft, Tank (LCT) (or tank landing craft, TLC)[1][2] was an amphibious assault craft for landing tanks on beachheads. They were initially developed by the Royal Navy and later by the United States Navy during World War II in a series of versions. Initially known as the "tank landing craft" (TLC) by the British, they later adopted the U.S. nomenclature "landing craft, tank" (LCT). The United States continued to build LCTs post-war, and used them under different designations in the Korean and Vietnam Wars.
Development
Let there be built great ships which can cast upon a beach, in any weather, large numbers of the heaviest tanks.
— Winston Churchill, Memo to War Department, 1940[3]
In 1926, the first motor landing craft (MLC1) was built by the Royal Navy. It weighed 16 tons, with a draught of 6 feet 6 inches (1.98 m), and was capable of about 6 knots (11 km/h; 6.9 mph). It was later developed into the landing craft mechanised.
It was at the insistence of the British prime minister Winston Churchill in mid-1940 that the LCT was created. Its speed was 10 knots (19 km/h; 12 mph) on engines delivering about 700 hp (520 kW).[4] Designated the LCT Mark 1, 20 were ordered in July 1940 and a further 10 in October 1940.[5])
Mark 1
Class overview | |
---|---|
Name | LCT Mark 1 |
Operators | ![]() |
Built | 1940 |
Completed | 30 |
General characteristics [3] | |
Displacement | 372 long tons (378 t) |
Length | 152 ft (46 m) |
Beam | 29 ft (8.8 m) |
Draught | 5 ft 9 in (1.75 m) (aft) |
Propulsion | 2 × 350 hp (261 kW) Hall-Scott petrol engine, 2 shafts |
Speed | 10 knots (19 km/h; 12 mph) |
Range | 900 nmi (1,700 km; 1,000 mi) |
Capacity | 250 long tons (254 t) |
Complement | 12 (2 officers, 10 enlisted men) |
Armament | 2 × single 2-pounder pom-pom |
Armour |
|
The first LCT Mark 1 was launched by Hawthorn Leslie, Hebburn on Tyne, in November 1940. It was designed to land three of the heaviest tanks (40t) then envisaged for the British Army in 2 ft 6ins of water on a 1:35 gradient beach. The load capacity was three 40-ton tanks, six 25-ton tanks or six 16-ton tanks. The forward draught was 3 feet forward and 5 feet 9 inches aft. They were designed on the same principle as a floating dock, with watertight side pontoons on each side joined by a tank deck set below the waterline. The tank deck swept up above the waterline near the bow before falling away again to the ramp. Engines were two Hall Scott Defender petrol engines of 500 hp each. The craft were arranged in four sections so they could be shipped to the Eastern Mediterranean as deck cargo on merchant ships. Thirty of these craft were ordered.[6]
Mark 2
![]() | |
Class overview | |
---|---|
Name | LCT Mark 2 |
Operators | ![]() |
Built | 1941 |
Completed | 73 |
General characteristics [3] | |
Displacement | 590 short tons (535 t) |
Length | 159 ft 11 in (48.74 m) |
Beam | 30 ft (9.1 m) |
Draught | 3 ft 8 in (1.12 m) (forward) |
Propulsion | 3 × 460 hp (343 kW) Paxman diesels or 350 hp (261 kW) Napier Lion petrol engines, 3 shafts |
Speed | 10.5 knots (19.4 km/h; 12.1 mph) |
Range | 2,700 nmi (5,000 km) |
Capacity | 5 × 30-ton or 4 × 40-ton or 3 × 50-ton tanks or 9 trucks or 250 long tons (254 t) of cargo |
Complement | 12 |
Armament | 2 × single 2-pounder pom-pom or 2 × single Bofors 40 mm guns |
Armour |
|
The LCT Mark 2 was longer and wider than the Mark 1, with three Napier Lion petrol engines replacing the Hall-Scotts as these were required for Coastal Forces craft. At 2,700 nautical miles (5,000 km; 3,100 mi), it had three times the range of its predecessor. Seventy-three Mk.2s were built.[4] Increasing the beam of the Mk2 by 2 ft (0.61 m) allowed a much greater cargo capacity of lighter vehicles, where the Mk1 could only carry three Valentine tanks the Mark 2 could carry 7. The first craft were ordered in December 1940 and completed in March 1941. The craft was a little faster but three sets of running gear strained the supply position so later Mk2 had two Paxman diesel engines of 500 hp each. It was apparent now that LCTs would be required in huge numbers and ship builders would not have the capacity so structural steelwork firms were added to the program to prefabricate the structure and former shipyards reopened to assemble the craft. Like the Mark 1 the Mark 2 was assembled in four sections to facilitate shipping to Eastern Mediterranean.[6]
Mark 3
Class overview | |
---|---|
Name | LCT Mark 3 |
Operators | ![]() |
Built | 1941 |
Completed | 235 |
General characteristics [3] | |
Displacement | 640 long tons (650 t) |
Length | 192 ft (59 m) |
Beam | 30 ft (9.1 m) |
Draught | 3 ft 10 in (1.17 m) (forward) |
Propulsion | 2 × 460 hp (343 kW) Paxman diesels or Sterling petrol engines, 2 shafts |
Speed | 9 knots (17 km/h; 10 mph) |
Range | 2,700 nmi (5,000 km) |
Capacity | 300 long tons (305 t) of cargo |
Complement | 12 |
Armament | 2 × single 2-pounder pom-pom or 2 × single Bofors 40 mm guns plus 2x single 'Fast Aerial Mines' |
Armour |
|
At 192 feet (59 m) the Mark 3 was 32 feet (9.8 m) longer than the Mark 2. Although this meant extra weight, the vessel was slightly faster than the Mark 1. Two hundred and thirty-five Mk. 3s were built.[4] The 32 ft section was added in May 1941 to the Mark 2 as a fifth building section, parallel sided. This meant the capacity went to 11 Valentines or 11 M4 Sherman medium tanks or 5 Churchill infantry tanks. 166 craft were built using two Paxman diesels, 71 were built in the winter of 1943-1944 to a slightly revised pattern using two Sterling Admiral petrol engines. These are usually referred to as Mark 3* or 7000 series as they had pennant numbers from 7000 upwards. LCT7074, currently preserved in Portsmouth, UK, is of this type.
Mark 4
Class overview | |
---|---|
Name | LCT Mark 4 |
Operators | ![]() |
Built | 1941–1942 |
Completed | 865 |
General characteristics [3] | |
Displacement | 586 long tons (595 t) |
Length | 187 ft 3 in (57.07 m) |
Beam | 38 ft 9 in (11.81 m) |
Draught | 3 ft 8 in (1.12 m) (forward) |
Propulsion | 2 × 460 hp (343 kW) Paxman diesel engines, 2 shafts |
Speed | 8 knots (15 km/h; 9.2 mph) |
Range | 1,100 nmi (2,000 km) |
Capacity | 350 long tons (356 t) of cargo |
Complement | 12 |
Armament | 2 × single Oerlikon 20 mm cannon or 2 × single Bofors 40 mm guns |
Armour |
|
The Mark 4 had a much wider beam - 38 ft 9 in (11.81 m) - than the Mark 3. Built for use in the English Channel, it had a displacement of 586 tons and was powered by two 460 hp Paxman diesels. With a capacity of 350 tons, it could carry nine M4 Sherman or six Churchill tanks. Eight hundred and sixty-five Mk.4s were built, the largest LCT production in British yards.[4] In addition to the increased beam, the Mark IV had a draught reduced to 3 ft 8in forward and 4 ft aft, allowing assault operations of much flatter beaches. The tank deck was brought above the waterline. Construction was somewhat flimsy and a number of these vessels broke their backs on uneven beaches or in heavy seas; nevertheless, the type gave excellent service. Later versions were stiffened and some made voyages to India. All of these vessels were built from prefabricated kits assembled in riverside yards, no ship builders were used in their construction.[7]
Mark 5
![]() LCT-202 off the coast of England, 1944 | |
Class overview | |
---|---|
Name | LCT Mark 5 |
Operators | |
Built | 1942–1944 |
Completed | 470 |
General characteristics [3] | |
Displacement | 286 short tons (259 t) (landing) |
Length | 117 ft 6 in (35.81 m) |
Beam | 32 ft (9.8 m) |
Draft |
|
Propulsion | 3 × 225 hp (168 kW) Gray marine diesels, 3 shafts |
Speed | 8 knots (15 km/h; 9.2 mph) |
Range | 700 nmi (1,300 km) at 7 kn (13 km/h) |
Capacity | 5 × 30-ton or 4 × 40-ton or 3 × 50-ton tanks or 9 trucks or 150 short tons (136 t) of cargo |
Complement | 13 (1 officer, 12 enlisted men) |
Armament | 2 × single 20 mm AA gun mounts |
Armor |
|
After World War II, eleven were used in 1950-1960 by the Polish Navy amphibious forces, with BDS, later ODS prefixes.[8]
Production:[9]
- New York Shipbuilding, NJ: 100
- Quincy Barge Builders, IL: 66
- Bison Shipbuilding, NY: 52
- Manitowoc, WI: 36
- Kansas City Steel, KS: 36
- Mount Vernon Bridge, OH: 36
- Decatur Iron & Steel, AL: 33
- Pidgeon Thomas Iron Works, TN: 31
- Omaha Steel, NE: 24
- Missouri Valley Bridge, KS: 20
- Darby Corporation, KS: 20
- Jones & Laughlin, PA: 16
Delivered:[9]
- Aug 1942: 53
- Sep 1942: 111
- Oct 1942: 145
- Nov 1942: 114
- Dec 1942: 44
Mark 6
![]() LCT-1141 unloading at Saint-Raphaël in southern France during Operation Dragoon, August 15, 1944 | |
Class overview | |
---|---|
Name | LCT Mark 6 |
Operators | |
Built | 1943–1944 |
Completed | 960 |
General characteristics [3] | |
Displacement | 284 short tons (258 t) |
Length | 119 ft 1 in (36.30 m) |
Beam | 32 ft 8 in (9.96 m) |
Draft | 3 ft 4 in (1.02 m) (forward) |
Propulsion | 3 × 225 hp (168 kW) Gray marine diesels, 3 shafts |
Speed | 7 knots (13 km/h; 8.1 mph) |
Range | 700 nmi (1,300 km) at 7 kn (13 km/h) |
Capacity | 150 short tons (136 t) of cargo |
Complement | 12 |
Armament |
|
Armor |
|
Nine hundred and sixty Mk.6s were built. One hundred and sixty Mk.5 and Mk.6 LCTs were provided as Lend-Lease to the Royal Navy,[4] and a small number to the Soviet Union.
Production:[10]
- Bison Shipbuilding, NY: 301
- Mare Island Navy Yard, CA: 216
- Pidgeon Thomas Iron Works, TN: 156
- Quincy Barge Builders, IL: 110
- Kansas City Steel, KS: 49
- Mount Vernon Bridge, OH: 46
- Missouri Valley Bridge, KS: 44
- Darby Corporation, KS: 42
- Manitowoc, WI: 1
Delivered:[10]
- Q3 1943: 43
- Q4 1943: 126
- Q1 1944: 238
- Q2 1944: 253
- Q3 1944: 216
- Q4 1944: 88
Mark 7
![](http://upload.wikimedia.org/wikipedia/commons/thumb/5/56/Uss_LSM-437.jpg/300px-Uss_LSM-437.jpg)
The Mark 7 was an even larger LCT that could carry troops. In 1944, when the Mk.7 design reached a length of 203 feet, its designation was changed to landing ship medium (LSM). The new variant could attain speeds of up to 12 knots and saw usage in the Pacific. 558 were built.[4]
Mark 8
![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/11/An_old_photo_of_HMAV_Abbeville_%28L4041%29.jpg/300px-An_old_photo_of_HMAV_Abbeville_%28L4041%29.jpg)
The 225-foot LCT Mark 8, intended for service in the Pacific, was developed by the British in 1944. One hundred and eighty-six Mk.8s were ordered; however, when the war ended, most were cancelled and scrapped, or sold directly into civilian service. Only 31 entered service with the Royal Navy.[4] Twelve were later transferred to the British Army; these were initially operated by the Royal Army Service Corps, then by the Royal Corps of Transport. Between 1958 and 1966, the other 19 ships were transferred to foreign navies or civilian companies, converted for other uses, or otherwise disposed of.
Mark 9
An even larger LCT Mark 9 was considered in 1944, but the design was never finalised and none were built.[4]
Armament
The LCTs had a variety of weapons, with the British (40mm) QF 2-pounder "pom-pom" mounts being gradually replaced by the faster firing 20 mm Oerlikon cannon. The Bofors 40 mm was also widely used, and proved that the LCT was an excellent gunfire support vessel.[4] Various machines guns were often mounted for self-defence from aircraft and small boats, often two to four in the .30-calibre (7.62 mm) and .50-calibre (12.7 mm), range depending on the operating country. Some models were fitted with a pair of 'Fast Aerial Mine' launchers near the bow.
Conversions and modifications
![](http://upload.wikimedia.org/wikipedia/commons/thumb/c/c9/LCT_Launching_Rockets.jpg/220px-LCT_Launching_Rockets.jpg)
Several special purpose versions were created for use during the Normandy landings. The British created the Landing Craft Tank (Rocket) (LCT(R)) modified to fire salvoes of three-inch RP-3 rockets,[4] while the Landing Craft Guns (Large) (LCG(L)) was armed with two QF 4.7 inch guns, eight Oerlikon 20 mm AA guns and two 2-pounder pom-poms.[11] These ships did not beach; their mission was close-in gunfire support.[12]
The Landing Craft Tank (Armoured) (LCT(A)) was designed for use by the first wave and was equipped with additional armour protection for the crew stations and on the bows, while a heavy wooden ramp allowed the two forward tanks to fire forward. These were all U.S-built LCT Mk.5s, which had been provided under Lend-Lease to the British for Mediterranean operations, then "reverse lend-leased" back to the U.S. for the invasion.[12]
The Landing Craft Tank (self-propelled) (LCT(SP)) carried self-propelled guns for fire support; in U.S. vessels these were 155 mm, while the British used M7 105 mm self-propelled guns and called them "Landing Craft Tank (High Explosive)" (LCT(HE)). A related variant was the British Landing Craft Tank (Concrete Buster) (LCT(CB)), which carried three British Sherman Firefly tanks fitted with the 17-pounder high velocity gun, specifically deployed to attack fortifications.[13] Other variants included the Landing Craft Tank (Hospital) (LCT(H)) for casualty evacuation, and one LCT served as a floating bakery at Normandy.[4]
Some LCTs with specialised weaponry were used as floating anti-aircraft batteries. These were often manned by mixed army and navy crews. Others were modified after the war for uses such as dredging.[4]
![](http://upload.wikimedia.org/wikipedia/commons/f/fd/USS_LCT-749.jpg)
Post-war
Unlike most wartime landing craft, the LCT remained in active duty with the U.S. Navy after the war, and many LCTs were also loaned or given to the post-war navies of Allied countries.[4] In early 1949, their designation was changed to landing ship utility (LSU), and changed again in late 1949 to landing craft utility (LCU). New landing craft (the LCU 1466-, 1610-, 1627-, and 1646-classes) were also built to a modified Mark 5 design. Some were later reclassified during the Vietnam War as harbor utility craft (YFU) as they no longer served in an amphibious assault role, but were used in harbor support roles such as transporting goods from supply ships; however, the YFU-71-class were 11 "Skilak" lighters purchased as 'commercial off-the-shelf', and so were not originally LCUs.[14]
In 1964, NASA converted an LCT Mk.5 for astronaut recovery training as MV Retriever.
Currently, tanks are mostly transported via Airlift or National Defense Reserve Fleet freighters (as during the Persian Gulf War[15]) over long distances, but can be delivered by Landing Craft Air Cushion.
Survivors
As of August 2007,[16] at least one wartime LCT is still in use, the Mark 5 LCT-203, now renamed Outer Island, and operating on Lake Superior as a dredge and construction barge.[17]
As of August 2016, the Mark 6 LCT-1433 was also in use as a fishing/merchant vessel in Kodiak, Alaska, having been renamed Cape Douglas.
The British Mark 2, converted to LCT rocket LCT(2)(R) 147 served in the North Africa landings, then as a clandestine immigration ship post-war. She is now at the Clandestine Immigration and Naval Museum in Haifa, Israel.[18]
The British Mark 3 LCT 7074 served in Normandy and was decommissioned in 1948 and presented to the Master Mariners' Club of Liverpool to be used as their club ship and renamed Landfall. Later converted to a floating nightclub, in the late 1990s the vessel was acquired by the Warship Preservation Trust and was moored at Birkenhead. In January 2006, the Trust went into liquidation[19] and the ship was left to rot, and by April 2010 had sunk at her berth. The craft was refloated in East Float on 16 October 2014 and moved to Portsmouth for renovation.[20][21] LCT 7074's renovation was completed in summer 2020 and she was moved to her new home at The D-Day Story museum in Southsea on 24 August 2020.[22]
Wrecks
A D-Day veteran and the last known Mark 4, LCT 728, was rediscovered rotting at the Port of Poole alongside another unknown Mark 3, possibly LCT(4) 510.[23] They were used as barges in the 1950s.[24][25]
In 2020, the wreck of an LCT was discovered off Bardsey Island, Wales at a depth of 90 metres (300 ft). The vessel is thought to be LCT 326, which disappeared on 31 January 1943 in heavy weather with the loss of all 14 crew.[26] The wreck is in two parts, separated by 130 metres (430 ft). This suggests the vessel was broken in two by the weather and the two halves remained afloat long enough to allow them to drift slightly apart.[27]
A Mark 1 Landing Craft, A6, has been visible a few meters from the shore of the archaeological site of Phalasarna, West Crete, since it was sunk in 1941 during the Battle of Crete. The history of the vessel, partly based on interviews of the captain, John Sutton, was investigated by Michael Bendon.[28]
Cultural references
Literature
Hammond Innes' 1946 adventure novel Dead and Alive describes the recovery of an LCT that had been washed up and wrecked on a Cornish coastal inlet. This is probably meant to be a Mark 3 because it is said to have had a pair of Paxman engines with two shafts and had previously been fitted with Pom-poms. Once recovered, the craft is used to trade between the UK and Italy; useful because of its ability to load and unload lorries on beaches rather than in the many Italian harbours destroyed in WW2.[29]
Hammond Innes' 1962 adventure novel Atlantic Fury describes the hasty late-season evacuation, on LCTs, of equipment and personnel from a military radar station on an island called Laerg (based on Hirta, in the St. Kilda Archipelago, about 40 miles west of Scotland's Outer Hebrides), while a severe storm bears down. The author details the vulnerabilities of the LCTs in heavy seas and shifting winds, and the difficulties of landing and disembarking on the small rugged island.[30]
See also
- Amphibious warfare
- Amphibious warfare ship
- Rhino ferry
- LCT sunk or damaged in action during World War II
References
- ^ Coll, Blanche D. (1958). The United States Army in World War II: Volume 1 – The Corps of Engineers: Troops and Equipment. Office of the Chief of Military History, Department of the Army. p. 591.
- ^ Maund, L. E. H., C.B.E. (1949). Assault from the Sea. Methuen Publishing. p. 266.
{{cite book}}
: CS1 maint: multiple names: authors list (link) - ^ a b c d e f g "The Evolution Of the Landing Craft Tank". World War II Landing Craft Tanks. Archived from the original on 1 June 2013. Retrieved 16 January 2011.
- ^ a b c d e f g h i j k l m Hearde, Basil. "The Tin Armada: Saga of the LCT". World War II Landing Craft Tanks. Archived from the original on 2 September 2011. Retrieved 15 January 2011.
- ^ "Landing Craft, Tank (LCT)". Global Security.org. Retrieved 17 January 2011.
- ^ a b "Selected Papers on British Ship Design in World War II"
- ^ "Selected Papers on British Warship Design in World War II"
- ^ Soroka, Marek (1986). Polskie Okręty Wojenne 1945-1980. Gdańsk: Wydawnictwo Morskie, ISBN 83-215-3249-7(in Polish). p. 73-77
- ^ a b "Landing Craft Tank LCT(5)".
- ^ a b "Landing Craft Tank LCT(6)".
- ^ "Landing Craft Guns (Large) Index". Navsource Naval History. Retrieved 16 January 2011.
- ^ a b "LCT(A)s at Normandy on D-day". World War II Landing Craft Tanks. Retrieved 16 January 2011.
- ^ Friedman, Norman (2002). U.S. Amphibious Ships and Craft: An Illustrated Design History. Annapolis, Maryland: Naval Institute Press. p. 246. ISBN 978-1-55750-250-6. Retrieved 17 January 2011 – via Google books.
- ^ "The Saga of the YFU-79 & the U-Boat Sailors of I Corps – The Mobile Riverine Force Association". Mrfa.org. Retrieved 6 July 2022.
- ^ Seigle, Greg (February 23, 2011). "Gulf War 20th: Logistics Marvels Made the "Left Hook" Work". Defense Media Network.
- ^ "LCT-203". World War II Landing Craft Tanks. Retrieved 16 January 2011.
- ^ "CSI: UWSP Archives? History Detectives in Action..." University of Wisconsin-Stevens Point University Library. 2004. Retrieved 16 January 2011.
- ^ "INS Af Al Pi Chen". Historic Naval Ships Association. 10 May 2014.
- ^ "Landfall". National Register of Historic Vessels. Retrieved 17 January 2011.
- ^ Elson, Peter (15 October 2014). "D-Day landing craft to be raised from Wirral dock". Liverpool Echo. Trinity Mirror Merseyside. Retrieved 16 October 2014.
- ^ Kennedy, Maev (15 October 2014). "D-day tank carrier Landfall refloated for restoration". The Guardian. Guardian News and Media Limited. Retrieved 16 October 2014.
- ^ "Last D-Day craft makes final journey after Portsmouth revamp". TBBC News Online. 24 August 2020. Retrieved 26 August 2020.
- ^ "Royal Navy – Landing Ships". The Searchers. 2019-12-01. Retrieved 2021-10-30.
- ^ ""A rotting wreck now has its wartime identity restored": Vessel in Poole Harbour is D-Day veteran". Bournemouth Echo. Retrieved 2021-10-30.
- ^ "Poole Harbour D-Day Tank Landing Craft: The last of a dying breed?". CITiZAN.
- ^ Brunskill, Amy (2020-06-11). "Sunken Second World War landing craft found". Current Archaeology.
- ^ "Discovery of a WW2 Landing Craft off Wales ends 77 year old mystery – News and Events, Bangor University". www.bangor.ac.uk. Retrieved 2020-07-04.
- ^ "The Forgotten Flotilla: The Craft of Heroes - Greece, Crete, and North Africa 1941". www.forgottenflotilla.com. Retrieved 2023-12-27.
- ^ Innes, Hammond (1946). Dead and Alive. Great Britain: Collins.
- ^ Innes, Hammond (1962). Atlantic Fury. New York: Alfred A. Knopf.
Bibliography
- Fisher, Stephen & Hewitt, Nick (2020). "Warship Notes: Resurrecting LCT 7074". In Jordan, John (ed.). Warship 2020. Oxford, UK: Osprey. pp. 194–198. ISBN 978-1-4728-4071-4.
- Fox, Derek (March 2021). "The Resurrection of Landing Craft Tank 7074". Warship International. LVIII (1): 37–38. ISSN 0043-0374.
- Bendon, Michael (2014). The Forgotten Flotilla: The Craft of Heroes Greece, Crete and North Africa - 1941. Sydney, Australia: Michael Bendon. ISBN 9780646917085.
External links
![](http://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png)
- Photo archive organized by individual ship
- World War II Landing Craft Tanks
- Landing Craft of New York Shipbuilding
- Memories of Landing Craft
- Landing Craft Tank Squadron by Lt-Cdr. Maxwell Miller
- LCT Mk.5 production line at Bison Shipyard
- US Navy, Prints 1942, Tank Landing Craft, mark 2 and 3
- US Navy, ONI 226, Allied Landing Craft and Ships, April 1944
- Crane, Rob (18 April 2022). "Down Ramps! LCT 947 on D-Day". COPP Survey.
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