05/08/2022

## Can a pilot feel a sonic boom?

If you’re WONDERing about how pilots handle sonic booms, they actually don’t hear them. They can see the pressure waves around the plane, but people on board the airplane can’t hear the sonic boom. Like the wake of a ship, the boom carpet unrolls behind the airplane.

What jet can break the sound barrier?

On October 14, 1946, a small, almost rocket type plane called the Bell X-1 was dropped from a large B-29. Capt. Chuck Yeager fired the X-1 engine and was accelerated past the sound barrier becoming the first man to travel faster than the speed of sound. The speed at which sound travels is known as the sound barrier.

Are sonic booms visible?

When an object moves through the air, it makes pressure waves in front of and behind it. A sonic boom is visible. It is actually air that becomes squashed by sound waves. It appears as a cone of vapor around the aircraft.

### Do jets break the sound barrier at airshows?

“What typically happens at airshows is that the pilots will fly just below the speed of sound in a high-speed pass (for example Mach 0.97 instead of 1.00 or above). It’s still something like 700mph and is impressive to watch while still not breaking the sound barrier (or the rules).”

Will a sonic boom break windows?

MYTH: SONIC BOOMS INEVITABLY CRACK WINDOWS, DAMAGE BUILDINGS Unmitigated sonic booms can cause windows or old plaster to crack, but for civil applications this is extremely rare. The intensity of a sonic boom can be measured in pounds per square foot (psf) of air pressure.

Can a sonic boom break windows?

## Can you hear a sonic boom from the ground?

Depending on the aircraft’s altitude, sonic booms reach the ground two to 60 seconds after flyover. However, not all booms are heard at ground level. The speed of sound at any altitude is a function of air temperature. A decrease or increase in temperature results in a corresponding decrease or increase in sound speed.

Is lightning a sonic boom?

Yes! Lightning heats the air and causes shock waves. These in turn cause sonic booms—but you probably know them better as thunder! Lightning and thunder happen at the same time.

Can jets go supersonic over land?

Supersonic operations over land must be conducted above 30,000 feet or, when below 30,000 feet, in specially designated areas approved by Headquarters United States Air Force, Washington, D.C., and the Federal Aviation Administration. The Air Force continues to expand its knowledge of sonic boom.

### Can a sonic boom break glass?

The boom was produced by a F-4 flying just above the speed of sound at an altitude of 100 feet. In recent tests, the maximum boom measured during more realistic flight conditions was 21 pounds per square foot. There is a probability that some damage — shattered glass, for example, will result from a sonic boom.

Can you feel a sonic boom on the ground?

Yes, a sonic boom produced at 60,000′ can be heard on the ground. These measurements are from aircraft with different altitude. As sound pressure depends from distance like p∼1r, one may calculate the pressure for a certain altitude as in the following table.

What altitude do sonic booms stop?

For an aircraft flying at a supersonic speed of about Mach 1.2 or less at an altitude above 35,000 feet, the shockwaves being produced typically do not reach the ground, so no sonic boom is heard.

## Can boats go supersonic?

That’s faster than commercial aircraft fly, and yes, it is possible. The technology is called supercavitation, and it’s been around for decades. The idea is to increase the speed of an object like, say, a submarine or torpedo by creating a bubble around it, reducing drag as it moves through the water.