Actually it's not
The rule is applicable to all phases of flight (you must be able to survive engine failures and safely fly into and in autorotation),
The second part (f) is specific in requiring satisfactory handling within a power off envelope, including getting there from a power on Vne failure ( which is a test case that focusses your mind)
If your power on envelope is the same as power off , only (e) applies.
as with defining any Vne there is more than one factor to take into account, but as before the clue is in the title: never exceed
Last edited by dangermouse; 29th Nov 2018 at 07:02.