Your vessel is proceeding up a channel, and you see a pair of range lights that are in line dead ahead. The chart indicates that the direction of this pair of lights is 283°T, and the variation is 13°E. If the heading of your vessel at the time of the sighting is 278° per standard compass, what is the deviation?

According to Buys Ballot's Law, when an observer in the Southern Hemisphere expe...

How can the accuracy of an azimuth circle be checked?

What will act to dissipate fog?

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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...

Which is TRUE of an alternating light?

Which is a characteristic of anticyclones?

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The approximate distance to a storm center can be determined by noting the hourl...