You swung ship and compared the magnetic compass against the gyrocompass to find deviation. Gyro error is 2°E. The variation is 8°W. Find the deviation on a magnetic compass heading of 143°.

You will be loading in Boston Harbor to a maximum draft of 32'06". The charted d...

The predicted time that the flood begins at the entrance to Delaware Bay is 1526...

You swung ship and compared the magnetic compass against the gyrocompass to find...

You are steering 142°pgc to make good your desired course. The gyro error is 1°E...

The true course between two points is 312°. Your gyrocompass has an error of 3°W...

You are underway on course 160°T while turning for an engine speed of 10 knots....

Your vessel is proceeding up a channel, and you see a pair of range lights that...

You wish to check the deviation of your standard magnetic compass. You find a na...

At 1200 zone time on 10 October, you depart San Francisco, LAT 37°48.5'N, LONG 1...

At 1845 zone time on 24 October, you depart Bimini Island, LAT 25°50.0'N, LONG 7...