Departure (ED) = ChLong(‘) x CosLat = 16º x 60 x cos60º = 480nm = 889.75k

           

            Scale =             CD =      CD      =          CD          =        1       so  CD = 88,975,000 = 17.8cm

                                    ED     889.75km    88,975,000cm     5,000,000              5,000,000