On 15 February at 0610 ZT, in DR position LAT 56°53.0'N, LONG 157°02.9'E, you observe Polaris at a sextant altitude (hs) of 56°10.4'. The index error is 2.5' on the arc, and the height of eye is 18 meters. What is the latitude?

Which condition exists at the summer solstice in the Northern Hemisphere?

You are on course 138°T. To check the latitude of your vessel you should observe...

You are on course 312°T. To check the speed of your vessel you should observe a...

What is the equivalent of 2° 35' in time units?

What is the equivalent of 83°29.6' in time units?

A latitude line will be obtained by observing a body __________.

The measurement of local time is based on the passage of the Sun over the ______...

The navigational triangle uses parts of two systems of coordinates, one of which...

A sidereal day is approximately how much shorter than a solar day?

While steering a course of 150°T, you wish to observe a body for a latitude chec...