science

KRI Rigel

KRI Rigel 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 KRI Rigel rather than just read about it. In short: KRI Rigel (933) is the lead ship of the Rigel-class research vessels of the Indonesian Navy. Rigel is name of the brightest star in the constellation Orion.

Key takeaways

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

Reference excerpt

KRI Rigel (933) is the lead ship of the Rigel-class research vessels of the Indonesian Navy. Rigel is name of the brightest star in the constellation Orion. She is the most advanced military oceanographic ship in ASEAN.

Design The ships were built based on the BHO ship procurement contract carried out by the Ministry of Defense of the Republic of Indonesia with the French OCEA shipyard, and is made of aluminum with a weight of 560 tons with dimensions of 60.1 meters long and 11.5 meters wide. She is one of the warships owned by Indonesia, with special specifications for surveys in the ranks of the Indonesian Navy's Hydro-oceanographic Survey Unit. The ships are driven by two MTU Type 8V4000M53 propulsion engines which can produce a maximum speed of 14.0 knots, with a cruising range of 4400 nautical miles and is equipped with AUV (Autonomous Underwater Vehicle) equipment that functions to carry out underwater imaging up to a depth of 1000 meters and sends back. periodic data to the main ship in this case the BHO ship. They are also equipped with ROV (Remotely Operated Vehicle), SSS (side scan sonar), laser scanner to get an overview of the land, AWS (Automatic Weather Station), deep sea and Singlebeam Multibeam Echosounder, CTD (Conductivity Temperature and Depth) equipment, Gravity Corer, laboratory equipment and fishery survey capability. Rigel is the first ship of the MPRV (Multi Purpose Research Vessel) type to be operated in the ranks of the Indonesian Navy under the Hydro-Oceanographic Survey unit. This ship, one of the newest defense equipment owned by the Indonesian Navy, was built at the OCEA shipyard, Les Sables. d'Olonne, France. The ship is also equipped with 20 mm and 12.7 mm submachine guns. This ship is for survey and mapping ship that is quite sophisticated because it is equipped with the latest hydro-oceanographic survey equipment that can be used for data collection up to the deep sea.

Construction and career The ship was laid down in October 2013 and launched on 11 December 2014 by OCEA Shipbuilding, France. She is commissioned on 11 March 2015. On 1 July 2021, her underwater multibeam echosounder technology has succeeded in detecting the presence of the Passenger Motor Ship (KMP) Yunice which sank in the waters of Bali. the ship was detected at position 8° 10' 31,864'' S - 114° 25' 42,986'' T at depths between 72 meters to 78 meters.

References

Illustrations

Worked examples

Example 1 — a first encounter with KRI Rigel

Start with the simplest possible case. Write down what KRI Rigel 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 KRI Rigel 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 KRI Rigel 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 KRI Rigel

In research: KRI Rigel 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 KRI Rigel 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: KRI Rigel is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2014 ships, Auxiliary ships of the Indonesian Navy, Research vessels, so understanding it makes those chapters shorter.
In everyday life: Look for KRI Rigel 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 KRI Rigel in 20 minutes

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

Frequently asked questions

What is KRI Rigel in simple terms?

KRI Rigel (933) is the lead ship of the Rigel-class research vessels of the Indonesian Navy. Rigel is name of the brightest star in the constellation Orion.

Why does KRI Rigel 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 KRI Rigel?

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 KRI Rigel.