USA setting STD pressure
I'm sure this may have been asked on here before... but in the USA with a TA of 18000ft, when do you set STD pressure when climbing?
For example : if climbing passing 11000ft and cleared to FL 230 do you wait till 18000ft until you set STD pressure (incase ATC say suddenly stop at eg 16000ft due traffic?)
It seems some UK operators have different procedures in the USA
Thanks