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Questions tagged [sonic-boom]

A sonic boom is the noise created by an aircraft flying faster than the local speed of sound. Use to discuss this distinctive noise. Use with the [supersonic] tag.

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31 votes
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Why was there no issue with the Tu-144 flying above land?

The Concorde didn't fly supersonically above land, it only could above the ocean. The Tu-144 however flew between Moscow and Almaty, so entirely above land; why did it fly like this? Didn't it have a ...
Giovanni's user avatar
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14 votes
4 answers
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Why can't sonic booms be heard at air shows?

At air shows with fighter jets I would expect there would be a demonstration of supersonic flight. But in this flight of a Eurofighter Typhoon, no sonic boom was heard. What is the reason? Is it ...
Volker Siegel's user avatar
14 votes
5 answers
12k views

What could explain the fact that during 1976-80, I used to hear commercial jets make sonic booms while flying overhead?

I've read on this site & on Wikipedia that there have only been a couple of commercial jet planes in history that have broken the sound barrier--either in testing (without passengers) or during an ...
Carrie Morse's user avatar
11 votes
1 answer
6k views

Will you be able to hear a supersonic aircraft flying away from you?

I'm wondering if you could be able to hear the sound emitted by an aircraft say traveling at Mach 2 away from you. I wondered if it might shift the emitted frequencies beyond the audible range. Would ...
monkey's user avatar
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8 votes
3 answers
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How did this F/A-18's execute a "low-boom maneuver"?

The Engadget article NASA will publicly test quiet supersonic technology in November says: The administration plans to conduct a series of public tests around the coastal city of Galveston in ...
uhoh's user avatar
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8 votes
2 answers
4k views

At what altitude can the sonic boom no longer be heard at sea level?

As others have stated here, you can hear the sonic boom of planes flying by at a fairly high altitude, ~80 000 ft. At what altitude would the sonic boom no longer be noticable at sea level? To add to ...
Blomma's user avatar
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6 votes
3 answers
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Can supersonic booms intensify as you fly longer?

If someone is flying just above Mach 1 for 10 minutes, I would think the sound/shock waves would just pile up and gain more energy, resulting in a very intense and loud boom when the pilot slows down. ...
DaCuteRaccoon's user avatar
6 votes
2 answers
648 views

How do canards reduce the X-59's sonic boom?

X-59 As of 2017, the ground noise was expected to be around 60 dB(A), about 1/1000 as loud as current supersonic aircraft. This was to be achieved by using a long, narrow airframe and canards to keep ...
Abdullah is not an Amalekite's user avatar
5 votes
4 answers
4k views

Why did the FAA ban all supersonic flights over the United States, rather than only supersonic flight in densely-populated areas?

A major part of why the Concorde was far less of a hit than predicted, and of why the many 1980s and 1990s supersonic transport projects never got off the drawing board, was that the FAA had banned ...
Vikki's user avatar
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How can an aircraft travel faster than speed of sound without breaking the sound barrier? [duplicate]

An excerpt from the BBC article here https://www.bbc.co.uk/news/uk-england-london-51433720 "Despite travelling faster than the speed of sound the plane would not have broken the sonic barrier as it ...
Samer Tufail's user avatar
4 votes
1 answer
281 views

How far from the Concorde's ground track was the sonic boom tolerable?

How far away from the ground track did it drop to, say, the level.of heavy traffic? Or something else that people do not mind hearing?
Abdullah is not an Amalekite's user avatar
4 votes
0 answers
731 views

How far can the sound of a sonic boom travel? [closed]

Are there conditions or distances from the plane to cloud to the observer in which a sonic boom from a plane is muted?
Muze's user avatar
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1 vote
1 answer
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Would an aircraft which could go through sound barrier at an over 25 degree climb avoid the sonic boom problem?

I read that the "cone" of the sonic boom is a cone of angle 25 degrees extending from the nose of the aircraft, centred on the axis of the aircraft. I also read that the English Electric ...
mike rodent's user avatar
-5 votes
1 answer
439 views

Can electroaerodynamic propulsion be used to circumvent sonic booms?

MIT researchers have created and flown the first plane that doesn’t require any moving parts. “Although it is still a long way off from commercial gas turbine propulsion … electroaerodynamic ...
securitydude5's user avatar