There are described methods and systems for providing an autothrottle mode in a propeller-driven aircraft. A thrust change is obtained corresponding to a difference between an actual thrust and a desired thrust for an engine (110). When greater than a pre-...

A method of controlling the angular orientation of at least one variable fluidfoil 52. The method comprises the steps of: a) receiving detected fluidfoil angular orientation data for the at least one fluidfoil 52; b) receiving a fluidfoil angular orientati...