On 9 November your 0400 DR position is LAT 18°24.0' S, LONG 97°36.0' W. You are on course 138°T at a speed of 16 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix.

Correct Answer: Option D — LAT 18°45.0'S, LONG 97°06.8'W

Advancing celestial lines from a 0400 DR across a two-hour run on course 138°T at 16 knots requires applying latitude and departure increments. Intersecting the advanced intercept lines yields the correct running fix coordinates of LAT 18°45.0'S, LONG 97°06.8'W per standard navigation methods.