Formula: {Maximum_Flight_Route_xi = 60 miles (= 100km)}

Description:
~ maximum length of Xi flight route
Related_Formulas:

Analysis:
~ if target area is a circle with a radius (r) 7 miles (= ca. 11 km) and Base4Xi is located in the center of circle
~ Xi flies: r + (2 × p × r) + r = 7 + 44 + 7 = 58 = circa 60 miles = circa 100 km

catch ~Maximum_Flight_Route_XCopter ~Xi!