Domanda 31, Aircraft General Knowledge - PPL(A) English - Private Pilot License (Aircraft)

It is set on the ground to correct an out-of-trim condition arising from the mass and balance situation of an aircraft
It is preset on the ground and further adjusted in flight to reduce the need to constantly re-trim the aircraft
It is used to optimize the handling characteristics of an aircraft during ground operations
It is a non-movable metal tab on a flight control which is adjusted on the ground to optimize the inflight characteristics of an aircraft