On 11 May your vessel's 1839 ZT position is LAT 17°30'N, LONG 63°55'W, when an amplitude of the Sun's center is observed on the celestial horizon bearing 301° per standard magnetic compass. Variation for this area is 10.5°W. The chronometer reads 10h 37m 10s and is 02m 08s slow. What is the deviation of the compass?

What will be the velocity of the tidal current 4.5 miles east of Smith Point, VA...

At 1423 you are on course 072°T at 12.2 knots, when you sight a rock awash beari...

At 2221 your course is 222°pgc at a speed of 11.2 knots, when radar detects a bu...

You are at anchor in the anchorage at the entrance to Delaware Bay. You weigh an...

The charted depth alongside the south face of Mystic Pier, Charlestown, MA, is 3...

While on a course of 019°pgc, a light bears 14° on the port bow at a distance of...

While on a course of 066°pgc, a light bears 13° on the port bow at a distance of...

You are on course 079°T, speed 11.2 knots. At 0904 you see a daymark bearing 078...

You are on course 086°T, speed 11.7 knots. At 1013 you see a buoy bearing 088°T...

While on a course of 097°pgc, a light bears 8° on the port bow at a distance of...