Collapsing and Expanding Flight Plan Segments
The system logically categorizes segments of the flight plan, and separates those segments by using appropriately-named headers. As an example, if a string of waypoints and legs in the flight plan consist of waypoints along the same airway, an 'Airway' header appears above the segment. This allows the flight crew to visually distinguish that airway segment from other segments (departure, arrival, other airway segments, etc.).
The system allows header rows to be displayed as collapsed or expanded within a flight plan. When headers are collapsed, leg-to-leg computed values such as DIS or ETE shown for the last waypoint of that segment reflect the total of all the legs in that segment that have been hidden in the collapsed display.
The flight plan always keeps the following waypoints visible if the header is collapsed: “From” waypoint, “To” waypoint, the “Next” waypoint, and the "Exit" waypoint.
