An advanced example of how to use a gantt chart to plan and visualize resources in logistics, in this case shipping. The chart displays a set of vessels and its scheduled journeys. The journeys can consist of one or more laps, which in itself contains loading, voyage, and unloading, these can be moved or resized. The chart also includes custom indicators like the Heat Indicator which displays when the vessels idle time goes above a threshold, and the Earliest Possible Return Indicator which displays when the vessel can return if it travels by maximum speed.