On 29 April your 0530 zone time position was LAT 23° 04.0' S, LONG 162° 12.0' E. Your vessel was steaming on course 120° T at a speed of 9.0 knots. An observation of the Sun's upper limb was made at 0830 ZT. The chronometer read 09h 27m 32s and was slow 02m 24s. The observed altitude (Ho) was 24° 58.0'. LAN occurred at 1205 zone time. The observed altitude (Ho) was 52° 04.0'. What was the longitude of your 1200 zone time running fix?

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...

A great circle crosses the equator at 141°E. It will also cross the equator at w...

The track line on the chart is 274°T. Variation is 4°E, and deviation is 2°E. Th...

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

The upper vertex of a great circle track is in LONG 156°00'E. Sailing eastward,...

In which voyage, between two points, is the rhumb line distance NOT approximatel...

At 0100 zone time on 23 September your DR position is LAT 24°25.0'N, LONG 83°00....

At 0400 zone time on 24 June, your DR position is LAT 23° 10.0' N, LONG 085° 33'...

Your 0000 zone time position on 13 June is LAT 24° 35' N, LONG 142° 26' E. Your...