1) What is the name of the control surface that rotates an aeroplane about its longitudinal or roll axis?
2) A jet aeroplane equipped with inboard and outboard ailerons is cruising at its normal cruise Mach number. In this case:
3) An aeroplane is provided with spoilers and in- and outboard ailerons. Roll control during cruise is provided by:
4) In what flight phase are the outboard ailerons (if present) not operated?
5) When are outboard ailerons (if present) de-activated?