Do Compasses Work At The Equator?

Do Compasses Work At The Equator? It’s only on the equator that a typical compass will provide the most accurate reading about which direction is north and which direction is south, Jordan said. That’s because at the equator, all of the planet’s magnetic field lines are horizontal and parallel to Earth’s surface, he explained. Do

Why Is It Called Dead Reckoning?

Why Is It Called Dead Reckoning? The expression dead reckoning probably originated from use of the Dutchman’s log, a buoyant object thrown overboard to determine the speed of the vessel relative to the object, which was assumed to be dead in the water. … The phrase dead reckoning dates from Elizabethan times (1605-1615). What is

What Is A Compass Correction Card?

What Is A Compass Correction Card? Compass correction/deviation card. A small card placed in the cockpit to show the compass deviation for each heading. The card reads the courses to be steered in lieu of the required headings . Also called a deviation card. Is a compass correction card required? So, the compass correction card