On Feb 15, 9:40 am, Bertie the Bunyip wrote:
Michael Ash wrote
:


Technically speaking, it is illegal to descend faster than about
25,000fpm (needs to be adjusted based on density, since it's give in
terms of indicated airspeed) when below 10,000ft. I doubt too many
flights would need to worry about this limitation.


Or climb!

But in fact this can be waived and very frequently is.


No. The 250 KIAS speed limit can be waived but very seldom is.