Parallel sailing
A ship leaves a positions in lat 49°00’ N longitude 160°00’ W and steams 000°(T) for 20 miles, 090°(T) for 20 miles, 180°(T) for 20 miles and 270°(T) for 20 miles.What is her final position? 000°(T) for 20 miles -------------------------- Initial latitude 49°00’N d’lat 0°20’N Latitude 49°20’N 090°(T) for 20 miles ------------------------- cos lat = dep / d’long d’long = dep / cos lat d’long = 20 / cos 49°20’ d’long =30.69’ E d’long = 0°30.7’E ...