stuffparty replied to your post: That thing where the Diamond 4 flies slowly in formation from left to right and then #5 and #6 scream above the unsuspecting crowd from behind at 700mph?
Is 700mph supersonic near sea level? They really go supersonic?
Negative, but it’s about as close as they can get. (As you know, there is all kinds of complicated math involved with calculating the speed of sound. It varies based on elevation and air conditions.)
I’m fairly certain that the FAA prohibits all supersonic flight in non-military controlled airspace.
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