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Landing craft

Landing craft is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Landing craft rather than just read about it. In short: Landing craft are small and medium seagoing watercraft, such as boats and barges, used to convey a landing force (such as infantry and its vehicles) from the sea to the shore during an amphibious assault. The term excludes landing ships, which are larger, and smaller craft, such as paddled soft-bottomed rubber rafts.

Landing craft — main illustration
Landing craft — illustration

Key takeaways

  • Landing craft belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Landing craft to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Landing craft from memory before moving on to harder problems.

Reference excerpt

Landing craft are small and medium seagoing watercraft, such as boats and barges, used to convey a landing force (such as infantry and its vehicles) from the sea to the shore during an amphibious assault. The term excludes landing ships, which are larger, and smaller craft, such as paddled soft-bottomed rubber rafts. Production of landing craft peaked during World War II, with a significant number of different designs produced in large quantities by the United Kingdom and United States. Because of the need to run up onto a suitable beach, World War II landing craft were flat-bottomed, and many designs had a flat front, often with a lowerable ramp, rather than a normal bow. This made them difficult to control and very uncomfortable in rough seas. The helm (too rudimentary to call a bridge on the smaller craft) was normally at the extreme rear of the vessel, with the notable exception of the LCA, where an armoured box was provided. In all cases, WWII landing craft were known by an abbreviation derived from the official name rather than by the full title.

History Ship's boats were used as landing craft in the days of sail. These utility boats were sufficient in an era when marines were effectively light infantry which engaged mostly in small-scale engagements against enemy forces and settlements, often in far-flung colonies and against less well-equipped indigenous opponents.

Predecessors Barges redesigned as landing craft were used by Álvaro de Bazán, Marquis of Santa Cruz during the conquest of the Azores in 1583. They were assisted in their movement by galleys, which also assisted two heavy galleasses brought to cover the landing with their firepower. In order to support amphibious operations during the landing in Pisagua (1879) by carrying significant quantities of cargo, and landing troops directly onto an unimproved shore, the Government of Chile built flat-bottomed landing craft, called Chalanas. They transported 1,200 men in the first landing and took on board 600 men in less than 2 hours for the second landing.

Origins

During World War I, initial amphibious landings during the Gallipoli campaign took place in unmodified ship's boats that were extremely vulnerable to attack from the Turkish shore defenses. The mass mobilization of troops equipped with rapid-fire weapons quickly rendered such boats obsolete.

In February 1915, orders were placed for the design of purpose built landing craft. A design was created in four days resulting in an order for 200 'X' Lighters (or X-lighters) with a spoon-shaped bow to take shelving beaches and a drop down frontal ramp. The first use took place after they had been towed to the Aegean and performed successfully in the 6 August landing at Suvla Bay of IX Corps. 'X' Lighters, known to the soldiers as 'Black Beetles', carried about 500 men, displaced 200 tons (or 160 tons according to some sources) and were based on London barges being 105 feet 6 inches long, 21 feet wide, and 7 feet 6 inches deep (32.2 m × 6.4 m × 2.3 m). The engines mainly ran on heavy oil and ran at a maximal speed of approximately 8 knots (15 km/h; 9.2 mph). The boats had bulletproof sides and a ramp at the bow for disembarkation. Spain purchased 26–28 X-lighters. During the Rif War, they were used in the 1925 Alhucemas landing, arguably the first major amphibious landing in which tanks were disembarked in large numbers.

… excerpt ends here. Continue reading the full article.

Illustrations

Landing craft illustration
Landing craft illustration
Landing craft illustration
Landing craft illustration
Landing craft: Amphibious landing at Anzac Beach during the Gallipoli campaign of World War I, on April 25, 1915
Amphibious landing at Anzac Beach during the Gallipoli campaign of World War I, on April 25, 1915

Worked examples

Example 1 — a first encounter with Landing craft

Start with the simplest possible case. Write down what Landing craft claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Landing craft before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Landing craft ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Landing craft

In research
Landing craft appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Landing craft in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Landing craft is common in secondary-school and first-year university syllabi. It links to neighbouring topics English inventions, Landing craft, so understanding it makes those chapters shorter.
In everyday life
Look for Landing craft outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Landing craft in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Landing craft means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Landing craft out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Landing craft in simple terms?

Landing craft are small and medium seagoing watercraft, such as boats and barges, used to convey a landing force (such as infantry and its vehicles) from the sea to the shore during an amphibious assault. The term excludes landing ships, which are larger, and smaller craft, such as paddled soft-bot…

Why does Landing craft matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Landing craft?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Landing craft.

Tags

  • English inventions
  • Landing craft

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