mathematics

MS Jan Heweliusz

MS Jan Heweliusz is a mathematics 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 MS Jan Heweliusz rather than just read about it. In short: MS Jan Heweliusz was a Norwegian-built Polish ferry named after astronomer Johannes Hevelius (Polish: Jan Heweliusz) that served on the route Ystad–Świnoujście. It was built in Norway in 1977 and was owned by Polish Ocean Lines and operated by its subsidiary company Euroafrica Shipping Lines.

Key takeaways

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

Reference excerpt

MS Jan Heweliusz was a Norwegian-built Polish ferry named after astronomer Johannes Hevelius (Polish: Jan Heweliusz) that served on the route Ystad–Świnoujście. It was built in Norway in 1977 and was owned by Polish Ocean Lines and operated by its subsidiary company Euroafrica Shipping Lines. In the early hours of 14 January 1993, it capsized and sank in 27 metres (88 feet) of water off Cape Arcona off the coast of Rügen in the Baltic Sea while sailing towards Ystad with 65 passengers and crew. The accident claimed the lives of 20 crewmen and 36 passengers. Ten bodies were never found. Nine people were rescued. The sinking of Jan Heweliusz is the deadliest peacetime maritime disaster involving a Polish ship.

1986 fire In September 1986, the ship suffered a serious fire. No one on board was injured, but the ship was heavily damaged. The ship was repaired by coating the damaged areas with 60 tons of concrete, which increased the weight of the ship and dangerously affected its stability: this was apparently an illegal method.

1993 sinking

At 04:10 on 14 January 1993, the ship started listing in hurricane-force winds, estimated at 180 kilometres per hour (50 m/s; 110 mph). It capsized at 05:12. The waves were up to 6 metres (20 ft) high and ferries in the nearby port of Sassnitz had been cancelled. Prior to its sinking, Jan Heweliusz had been involved in 28 incidents, including collisions with fishing boats, listing, engine failure and the aforementioned fire in 1986. It had ballast problems and had also damaged its hull in Ystad during docking, but this was not reported to the port authorities and only makeshift repairs were made. It sailed two hours late, carrying 10 railway carriages from five European countries. The Marine Chamber of Appeals in Gdynia blamed the accident on the poor technical condition of the ship, with the captain, who died in the accident, also being blamed for allowing the ship to sail in such an unseaworthy state. In 2005, the European Court of Human Rights in Strasbourg ruled that the official investigation of the sinking was not impartial and granted €4,600 in damages each to eleven relatives of the victims. The wreck of the ship is located at a depth of 27 metres (89 feet) and is frequently visited by divers.

In popular culture In 2025, Netflix released a five-part miniseries based on the 1993 disaster, titled Heweliusz.

Illustrations

Worked examples

Example 1 — a first encounter with MS Jan Heweliusz

Start with the simplest possible case. Write down what MS Jan Heweliusz claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In mathematics, 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 MS Jan Heweliusz 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 MS Jan Heweliusz 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 MS Jan Heweliusz

In research: MS Jan Heweliusz appears in mathematics 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 MS Jan Heweliusz 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: MS Jan Heweliusz is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1977 ships, 1986 in Poland, Ferries of Poland, so understanding it makes those chapters shorter.
In everyday life: Look for MS Jan Heweliusz 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 MS Jan Heweliusz in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what MS Jan Heweliusz 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 MS Jan Heweliusz out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is MS Jan Heweliusz in simple terms?

Why does MS Jan Heweliusz matter?

Because it connects several mathematics 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 MS Jan Heweliusz?

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 MS Jan Heweliusz.