You swung ship and compared the magnetic compass against the gyrocompass to find deviation. Gyro error is 2°W. The variation is 8°W. Find the deviation on a true heading of 319°.

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

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

You are underway on course 241°T at a speed of 18.2 knots. You sight a daymark b...

Your vessel is steering course 352°psc, variation for the area is 11°E, and devi...

On 1 September your 1115 zone time DR position is LAT 25°20.0'N, LONG 28°24.0'W....

On 10 August your vessel's 0426 zone time DR position is LAT 52°07'N, LONG 142°1...

On 13 October your vessel's 1722 zone time DR position is LAT 27°36'S, LONG 136°...

On 14 January your 0746 zone time DR position is LAT 26°37.0'N, LONG 153°19.0'W....

At 1444 ZT on 28 July, in DR position LAT 40° 56.8' N, LONG 167° 12.4' E, you ob...

On 20 July your vessel's 1626 zone time DR position is LAT 27°13.0'N, LONG 63°42...