On 1 October you determine the zone time of evening twilight will be 1835. Your DR position will be LAT 27°18.0'N, LONG 48°52.0'W. Considering their magnitude and location, which group of three stars are best suited to be used in obtaining a fix at star time?

0' off the arc, and your height of eye is 48 feet. What is the latitude at merid...

What is a characteristic of a rhumb line?

You are on course 222°T and take a relative bearing of a lighthouse of 025°. Wha...

What defines a great circle?

The difference of latitude (l) between the geographic position (GP) of a celesti...

What is the difference in local time between an observer on 114°W and one on 119...

The distance between any two meridians measured along a parallel of latitude and...

What is the equivalent of 4°36' in time units?

Except for N-S courses, and E-W courses on the equator, a great circle track bet...

Which of the four adjustable errors in the sextant is the principle cause of ind...