Has a 747 ever broken the sound barrier?

May 2023 · 7 minute read

A China Airlines 747 may have broken the sound barrier in an unplanned descent from 41,000 ft (12,500 m) to 9,500 ft (2,900 m) after an in-flight upset on 19 February 1985. It also reached over 5g.

Moreover, Why was the 747 discontinued?

The end of the 747 has been a long time coming. Demand for the four-engine jet has decreased steadily in recent years as airlines have sought smaller, nimbler, more fuel-efficient twin-engine planes instead, such as the Airbus A330 and A350, and the Boeing 777 and 787.

Why is it illegal to break the sound barrier?

Within the United States, it is illegal to break the sound barrier. … When you pass Mach 1, the plane travels faster than the waves itself and that move across the so-called sound barrier produces a large sound, which is the sonic boom.

Also What is the fastest jet in the world? The Lockheed SR-71 Blackbird is the fastest jet aircraft in the world, reaching speeds of Mach 3.3–that’s more than 3,500 kph (2,100 mph) and almost four times as fast as the average cruising speed of a commercial airliner. Key elements of the SR-71’s design made this possible.

Can a propeller break the sound barrier?

Propeller planes can probably not break the sound barrier since the propeller, for the airplane to go faster than the speed of sound, must go even faster. This will inevitably cause shock waves powerful enough to even break the propeller.

22 Related Questions Answers Found

What is the longest flight in the world?

The longest flight in the world by distance is QR921. Qatar Airlines’ Auckland to Doha route comes in at 14,535 km/9,032 mi/7,848 nm.

What is the biggest plane in the world?

World’s Biggest Plane Antonov An-225 Mriya Landing. The wide body Antonov An-225 is powered by six turbofan engines and is the longest and heaviest airplane ever built, with a maximum takeoff weight of 640 tonnes.

Is Boeing stopping production of the 747?

Boeing has announced that production of the iconic 747 will come to an end in 2022 as dwindling customer demand and low sales for its latest variant became the final nail in the coffin for the aging plane line. The 747 was the first quad-jet engine and dual-level passenger aircraft to roam the skies.

Can any animal break the sound barrier?

When an Apatosaurus dinosaur slapped its impressively long tail onto the ground, other beasts likely listened. Turns out, the long-necked dino may have broken the sound barrier with its tail whips more than 150 million years ago.

How fast do you have to go to break the sound barrier in Mach?

So how fast is Mach One? The short answer is that it depends on where you are. But in general, it is a speed that exceeds about 1200 km/h or 750 mph. If you’re capable of going this fast, you will be breaking the sound barrier, and people for miles around will be hearing about it!

How fast do you have to be to break the sound barrier?

The moment an aircraft’s speed exceeds the speed of sound, it is said to have broken the sound barrier. At what speed do you break the sound barrier? The speed at which you break the sound barrier depends on many conditions, including weather and altitude. It’s approximately 770 mph or 1,239 kmh at sea level.

Which country has best fighter jets?

Most Powerful Fighter Jets: A List – US Made F-22, China Made Chengdu J20 and More. USAF F-22 Raptor fighter jet is widely considered the most powerful fighter jet and is not being sold to other countries.

Which is faster f22 or f35?

It has a top speed of 1.60 Mach, and less maneuverability than the F-22 in dogfight scenarios. The F-22 can ramp it up all the way to 2.25 Mach. It climbs at a rate of 62,000 feet per minute whereas the F-35 climbs at 45,000 feet per minute.”

What is the fastest private jet?


Top Six Fastest Private Jets on the Planet

Can a b52 break the sound barrier?

A B-52 flying so fast it broke the sound barrier and created a vapor trail.

What was the fastest piston driven aircraft of WWII?

The Hornet prototype RR 915 first flew on 28 July 1944 with Geoffrey de Havilland Jr. at the controls. Powered by twin Merlin engines, it was the fastest piston-engined fighter in Royal Air Force service.

Which is the most expensive flight in the world?


10 Most Expensive Plane Tickets around the World

How do you survive a 15 hour flight?


Tips on How to Survive a 15-hour Flight

  • DON’T DRINK ALCOHOL OR SODA, STICK TO WATER. …
  • BRING A LARGE EMPTY WATER BOTTLE THROUGH SECURITY THEN FILL IT UP BEFORE YOU GET ON THE PLANE. …
  • WEAR COMFORTABLE CLOTHING. …
  • HAVE A FLIGHT KIT AT HAND. …
  • MOISTURIZE YOUR SKIN EVERY 3 HOURS. …
  • SET YOUR WATCH TO THE LOCAL TIME IMMEDIATELY.

    • What is the longest nonstop commercial flight?

    Lufthansa repatriated German citizens from New Zealand, Austrian Airlines flew nonstop from Sydney to Vienna, and in March, Air Tahiti Nui operated the longest nonstop commercial flight ever: 9,765 miles from Papeete, Tahiti, to Paris.

    Does the Antonov 225 still fly?

    The aircraft last flew in August last year to Tel Aviv, although some reports said it may have operated late last year as several AN-124s were grounded. The heavy cargo aircraft was built during the Soviet era in the 1980s and famously carries large payloads. The heavy loader first flew in December 1988.

    Who owns the biggest plane in the world?

    What is the smallest plane in the world?


    The Starr Bumble Bee II

    was an experimental aircraft designed and built specifically to acquire the title of “The World’s Smallest Airplane”.

    …

    Starr Bumble Bee II.


    Bumble Bee II
    Primary userRobert H. Starr
    Number built1
    Developed fromStarr Bumble Bee I

    Are there any 747 still in service?

    Airline operators

    There were 438 Boeing 747 aircraft in active airline service as of July 2021, comprising 6 747-100s, 19 747-200s, 4 747-300s, 267 747-400s, and 142 747-8s. These aircraft are listed by airline operator and variant in the following table.

    What is the oldest 747 still flying?

    The oldest active passenger configured Boeing 747 that is still flying today is about 42.89 years old as the delivery was taken on November 9th, 1977 by the Saudi Arabian Royal Flight. Since its first commercial flight in 1970, Boeing 747 has changed the nature of long-haul air travel.

    Did a 747 ever crash?

    Lufthansa Flight 540 was the first fatal crash of a 747. … On March 27, 1977, the deadliest aviation accident in history occurred when KLM Flight 4805 collided on the runway with Pan Am 1736 in heavy fog at Tenerife Airport, resulting in 583 fatalities. Both aircraft were 747s.

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