physics

Los Angeles Airways Flight 841

Los Angeles Airways Flight 841 is a physics 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 Los Angeles Airways Flight 841 rather than just read about it. In short: Los Angeles Airways Flight 841 was a Sikorsky S-61 helicopter that crashed at 5:50 p.m. on Wednesday, May 22, 1968, in the city of Paramount, California. All twenty passengers and three crew members were killed.

Key takeaways

Los Angeles Airways Flight 841 belongs to physics; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Los Angeles Airways Flight 841 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Los Angeles Airways Flight 841 from memory before moving on to harder problems.

Reference excerpt

Los Angeles Airways Flight 841 was a Sikorsky S-61 helicopter that crashed at 5:50 p.m. on Wednesday, May 22, 1968, in the city of Paramount, California. All twenty passengers and three crew members were killed. The aircraft was destroyed by impact and fire. The probable cause of the accident was a mechanical failure in the blade rotor system, which then allowed one blade to strike the side of the fuselage. As a result, the other four blades were thrown out of balance. All five rotor blades then broke and the rear fuselage and tail separated from the rest of the airframe. The cause of the mechanical failure is undetermined. At the time, it was the worst helicopter-related accident in U.S. aviation history, not to be surpassed until the 1986 Grand Canyon mid-air collision which killed 25. Los Angeles Airways (LAA) Flight 841 was a regularly scheduled passenger flight from Disneyland Heliport in Anaheim, California to Los Angeles International Airport, under visual flight rules. The flight was heading west at 2,000 feet (610 m) over Paramount, California when air traffic controllers received a distress message from pilots: "L.A., we're crashing, help us." The helicopter crashed onto a dairy farm and burst into flames. N303Y, a Sikorsky S-61L helicopter, serial number 61060, had accumulated 12,096 total flying hours prior to the accident. Much of the debris was contained in the dairy farm where the helicopter crashed. The tail rotor was discovered one block east of the crash site in a used truck yard. The aircraft was damaged due to the impact and the fire caused by the crash. Among those killed was a group of nine vacationers from Ohio; a Hunt-Wesson Foods executive; the mayor of Red Bluff, California; and a University of California, Berkeley professor.

Illustrations

Worked examples

Example 1 — a first encounter with Los Angeles Airways Flight 841

Start with the simplest possible case. Write down what Los Angeles Airways Flight 841 claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, 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 Los Angeles Airways Flight 841 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 Los Angeles Airways Flight 841 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 Los Angeles Airways Flight 841

In research: Los Angeles Airways Flight 841 appears in physics 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 Los Angeles Airways Flight 841 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: Los Angeles Airways Flight 841 is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1968 in Los Angeles, Airliner accidents and incidents caused by mechanical failure, Airliner accidents and incidents in California, so understanding it makes those chapters shorter.
In everyday life: Look for Los Angeles Airways Flight 841 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 Los Angeles Airways Flight 841 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Los Angeles Airways Flight 841 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 Los Angeles Airways Flight 841 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Los Angeles Airways Flight 841 in simple terms?

Why does Los Angeles Airways Flight 841 matter?

Because it connects several physics 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 Los Angeles Airways Flight 841?

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 Los Angeles Airways Flight 841.