tailplane correction to trim
1Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …
2Course Deviation Indicator — (CDI) is an avionics instrument used in aircraft navigation to determine an aircraft s lateral position in relation to a track. If the location of the aircraft is to the left of course, the needle deflects to the right, and vice versa. Contents 1 …
