Oldaircrew: "Min RoD for ICAO is 1000'/min. Under vectors or in the terminal area I believe that 500'/min is the min. So there is no need for the "level in a minute" or RoD of 1000'/min. It is just a waste of airtime."
NO, NO, and NO! it is a myth, mini 500 ft ONLY in the USA, Australia and UK (last 1500ft/mn),
It means you can take 100 ftm if you want!