On 16 September your vessel's 0736 zone time DR position is LAT 27° 34' S, LONG 174° 49' E, when an azimuth of the Sun is observed. The chronometer time of the sight is 07h 38m 11s, and the Sun is bearing 079.8° per gyrocompass. The chronometer error is 01m 46s fast, and the variation in the area is 11.0° W. At the time of the sight, the helmsman reports that he was heading 252° pgc and 258° per magnetic compass. What is the deviation of the magnetic compass?

On 6 June 1983, at 1719 EST (ZD +5), what will be the predicted height of tide a...

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...

You are on course 251°pgc and 241° per magnetic compass, when you observe a rang...

You desire to make good a true course of 129°. The variation is 7°E, magnetic co...

Determine the duration of the first PM slack water on 3 March 1983, east of the...

Determine the time after 0300 CST (ZD +6) when the velocity of the tidal current...

You desire to make good 152°T. The magnetic compass deviation is 4°E, the variat...

You desire to make good a true course of 203°. The variation is 19°E, magnetic c...

You desire to make good a true course of 132°. The variation is 10°W, magnetic c...