science

Igara wreck

Igara wreck 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 Igara wreck rather than just read about it. In short: Igara is a wreck off the East Coast of Malaysia that sank on 12 March 1973. At the time of her sinking, the Igara was the largest ever single marine insurance loss in maritime history.

Key takeaways

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

Reference excerpt

Igara is a wreck off the East Coast of Malaysia that sank on 12 March 1973. At the time of her sinking, the Igara was the largest ever single marine insurance loss in maritime history. Valued at over US$25 million ($181 million in 2025), she was loaded with 127,718 tonnes of Brazilian iron ore. The Igara was an Italian ore/oil steamship of 136,400 tonnes deadweight (DWT). It was on voyage from Vitoria to Muroran when after passing through the Sunda Strait, she struck an uncharted rock in the South China Sea about 190 miles (310 km) from Horsburgh Lighthouse, off Mendarik Island, on 11 March 1973. However, she did not sink immediately but continued her voyage until her bow settled submerged and resting on the sea bottom in approximately 40 metres (131 ft 3 in) of water about 70 miles (110 km) from Singapore. She settled with her entire stern section sticking out of the water. The following day 27 of the 38-man crew abandoned ship, being picked up in their lifeboats by passing vessels. The master and 10 crew stayed on board until 19 March, when she began to break across hold no. 1. Salvors used explosives to cut through the ship at hold no. 1, and the entire rear section of the ship was towed to Japan, where a new forward section was attached and she was renamed the Eraclide.

Subsequent salvage ICRL (International Cargo Recoveries Limited), a BVI-based salvage management company, recognized the value of remaining iron ore cargo, contacted the insurers and acquired the legal rights to the ore and the salvage rights to the hull. In 2005–06 ICRL contracted Deep Water Recoveries (S) Pte Ltd (“DWR”) to recover the ore. DWR recovered all the ore accessible to big grabs (60,000 mt), and the operation grossed US$2.5 million. There are also other ships that have been taking pieces of metal from the ship wreck.

Recreational dive site

The ship now lies in around 40 m (130 ft) of water rising to 16 m (52 ft) at the top of the wreck. Despite only half the wreck remaining, this is a huge wreck with vast open cargo holds. The site is prone to very strong currents and occasional bad visibility. It is commonly frequented by Singapore-based liveaboards which stop for a dive or two on the way back to Singapore after a weekend diving in the South China Sea. The wreck was nicknamed the 'turtle wreck' by divers due to a resident turtle although more recent reports suggest the turtle is no longer present. Three resident nurse sharks are sometimes spotted in the storage rooms in the stern. As of 2010, divers reported seeing a large nurse shark inside the rope room at the bow on nearly every dive. The wreck is overgrown with soft corals, sponges and hydroids. Divers frequently see schools of barracudas, snappers, fusiliers, angelfish, groupers, and batfish. Divers have also reported seeing a large and aggressive grouper.

References

Sources Igara entry on Rec N Tec wreck database DeepWrecks.sg wreck page

External links Photo Gallery and diagram of wreck Photos of the wreck

Worked examples

Example 1 — a first encounter with Igara wreck

Start with the simplest possible case. Write down what Igara wreck 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 Igara wreck 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 Igara wreck 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 Igara wreck

In research: Igara wreck 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 Igara wreck 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: Igara wreck is common in secondary-school and first-year university syllabi. It links to neighbouring topics Maritime incidents in 1973, Shipwrecks in the South China Sea, Wreck diving sites, so understanding it makes those chapters shorter.
In everyday life: Look for Igara wreck 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 Igara wreck in 20 minutes

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

Frequently asked questions

What is Igara wreck in simple terms?

Igara is a wreck off the East Coast of Malaysia that sank on 12 March 1973. At the time of her sinking, the Igara was the largest ever single marine insurance loss in maritime history.

Why does Igara wreck 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 Igara wreck?

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 Igara wreck.