Your vessel is proceeding up a channel steering on a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights is 249°T, and the variation is 14°E. If the heading of your vessel at the time of the sighting is 226° per standard magnetic compass, what is the correct deviation?

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 152°T. The magnetic compass deviation is 4°E, the variat...

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

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

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 223°. The variation is 2°E, magnetic co...

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