"Scott M. Kozel" wrote in message

How could an SST like the Concorde get from cruising altitude down to
10,000 feet in 3-5 minutes?

I'd guess about 3-4 minutes from FL600 to 10K. Just my guess, never read up
on the craft. But 12-15 K ft/m would not be unusual in an emergency
descent.


Regards,

John Gaquin
B727, B747