On May 20 your 2300, (ZD +4), DR position is LAT 42° 07' N, LONG 81° 02' W. At that time, you observe Polaris bearing 012° psc. The chronometer time of the observation is 03h 02m 23s, and the chronometer is 1m 17s fast. The variation is 9.5° W. 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...