Compass swing — those two words bring images of a time-consuming task. EAA Eagle Flights TM Interested in becoming a pilot? Save my display options. Find a Chapter Experience the thrill of aviation on a local level by discovering an EAA chapter near you. A note of caution though: Our goal is to minimize these errors.
Depending on which of the Earth's hemispheres the compass is located and if the force is acceleration or deceleration the compass will increase or decrease the indicated heading. Charles Lindbergh had to mount his compass over his head his panel was full and read it in a mirror. Maybe they'll install an electrical system and put a Dynon in the panel while they're at it. A compass rose is a pattern painted on the ground which accurately depicts magnetic headings. Many modern compasses incorporate a baseplate and protractor tool, and are referred to variously as " orienteering ", "baseplate", "map compass" or "protractor" designs.
But remember, with this digital compass system, you do not need to be on the compass rose to perform the swing, just a clear area that will not interfere with the compass. Use only non- magnetic tools when adjusting the compass. Rotate the aircraft to a known South heading. Then align the aircraft at or close to West and repeat the above process using the E-W magnet. Pick up the cardinal headings and Actually it was a good lesson because I never made that mistake again. If you want to mount the compass in the panel, you'll need to carefully place the compass near the various intruments in the panel to see which ones cause the compass disk to swing, and to be sure you can mount the compass as far away from those instruments as possible.