HASSELL does not relate only to stalling but all other aerobatics as well.
Is the aircraft permitted to do the planned manoeuvre?
Absolutely !
Instructor flying a string of Trial Lessons in a variety of club aircraft.
Student asks if he can see a Loop.
Sure says Instructor, then gets to A of HASELL and realises he is
in a 152 not a 152 Aerobat.
Ok Lets look at a wingover instead.