![]() ![]() ![]() The basic design of an aircraft's magnetic compass like the top one in the sidebar on the opposite page places two small magnets on a metal float inside a bowl of clear fluid similar to kerosene. But the magnetic compass is a simple device, needing little maintenance while its limitations are well known. We also can have the same basic cellphone technology in our instrument panels and tied to our autopilots, reducing the compass to something we crane our necks to see past. Technological advances have trickled down to the compass over the years-including innovative mounting and damping, plus error minimization and trick lighting-but its basic foibles will never be fixed. With all that technology going on, the magnetic compass remains a staple of most cockpits around the world. When turned or accelerated, that solid-state device remains accurate in situations where a conventional "whiskey" compass will twist and turn like a bobble-head toy on a student pilot's first solo. The cellphone in the pilot's pocket probably has a more stable and less error-prone electronic sensor to know which way it's pointed. It's rather quaint these days that aircraft still carry a magnetic compass. APA style: The magnetic compass: the simplest instrument in the panel also has simple requirements, but it can be the most difficult to use.The magnetic compass: the simplest instrument in the panel also has simple requirements, but it can be the most difficult to use." Retrieved from MLA style: "The magnetic compass: the simplest instrument in the panel also has simple requirements, but it can be the most difficult to use." The Free Library. ![]()
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