What does a single barometric pressure reading of 28.60 indicate?

At 0000 you fix your position and change course to 090°T. At 0030 you again fix...

At 0000 you fix your position and plot a new DR track line. At 0200 you again fi...

On 25 December you observe the Sun's lower limb. The sextant altitude (hs) is 4°...

On 5 July, at 1200 zone time, you cross the 180th meridian steaming westward. Wh...

How can the accuracy of an azimuth circle be checked?

What will act to dissipate fog?

Which action is the safest and most prudent procedure to follow while navigating...

What is NOT an advantage of the rhumb line track over a great circle track?

Which aid is NOT marked on a chart with a magenta circle?

An air mass that has moved down from Canada would most likely have which symbols...