Formula: {Extra_Time_Mission_xi = 15 min}
Description:
~ extra time reserved for Xi to complete it's mission
Analysis:
~ time is needed, if everything does not go as planned during Xi's mission
~ to avoid obstacles not marked in digital map
~ to do navigation changes
~ to handle wheather changes
~ to change reprogrammed route, if required
catch ~Extra_Time_Mission_XCopter
~Xi!