At 1830 zone time, on 6 April your DR position is LAT 26°33.0' N, LONG 64°31.0' W. You are steering course 082°T at a speed of 16.0 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1900 running fix.

Correct Answer: Option D — LAT 26°32.5'N, LONG 64°27.1'W

Advancing the 1830 LOPs by the distance run (8 miles at 082°T) to the 1900 time of the running fix allows for the intersection with the subsequent observations. This standard navigational practice accounts for vessel movement between sights, resulting in a fix at LAT 26°32.5'N, LONG 64°27.1'W.