System and method for producing flight pathway

A method of presenting flight path information for an aircraft in a three-dimensional airspace display, said method comprising the steps of receiving flight plan data, receiving aircraft performance data, processing the data to form selected flight path data, generating symbols in response to the selected flight path data, the symbols showing boundaries around the selected flight path and at least one of the symbols having associated therewith an indicator of the direction through which the aircraft should pass through the boundary depicted by the symbol, and displaying the first and second symbols in a three-dimensional airspace display.