Are sonic booms illegal?

Related questions

1. How loud is a sonic boom?
2. Does a bullet make a sonic boom?
3. Why did they retire the Concord?
4. Do pilots hear the sonic boom?
5. Can you see sonic boom?
6. What is the fastest a plane has ever gone?
7. What is the loudest sound on earth?
8. How fast is a sonic boom?
9. Do bullets make a sonic boom?
10. Do bullets break sound barrier?

Tags

1. #sound
2. #regulations
3. #barrier
4. #aviation
5. #illegal
6. #except
7. #break
8. #person
9. #greater
10. #states
11. #against
12. #quite
13. #united
14. #limited
15. #civil
16. #operate
17. #certain
18. #federal
19. #administration
20. #conditions
21. #number
22. #aircraft
23. #within
24. #flight
25. #clear